A few nice digital photos images I found:
Rose
Image by fs999
Pentax K-5 • 800 ISO • Pentax DA* 50-135mm F2.8 SDM
Hoya Pro1 Digital Filter Close-Up N°3
TopazLabs DeNoise 5
Pink Side
Image by fs999
Pentax K-5 • 80 ISO • Pentax DA 40mm F2.8 XS
Kenko Pz-AF UniPlus Tube 25
Metz Flash 48 AF-1 Digital with softbox
Some cool image uploader images:
Freya wanting her ball thrown further
Image by jon_a_ross
A number of images from my cats at play over this weekend
Freya, top cat in our house and her activities over the weekend
Sorry for the doubles but it seems flickr uploader cannot stop doing it that way, no matter how many times I relaunch the program
J'ai un iPhone!
Image by meehanf
C'est pas la caméra du siècle, mais les logiciels de traitement d'images sont assez étonnants. Cette image a été prise, traitée et "uploader" directement à partir de l'appareil.
François Meehan
========
I just received my new iPhone, it is not a super camera, the images softwares are soooo cool!
This one was taken, processed and deliver directly from the device.
François Meehan
A few nice download image images I found:
Girl Climbing Out of Train
Image by © 2006-2013 Pink Sherbet Photography
My photos that have a creative commons license and are free for everyone to download, edit, alter and use as long as you give me, "D Sharon Pruitt" credit as the original owner of the photo. Have fun and enjoy!
Reese and Hayley Happy Summer 2008
Image by © 2006-2013 Pink Sherbet Photography
My photos that have a creative commons license and are free for everyone to download, edit, alter and use as long as you give me, "D Sharon Pruitt" credit as the original owner of the photo. Have fun and enjoy!
b&w tree - desktop background wallpaper
Image by (matt)
photochallenge.org, 2009 challenge, 52/365, theme: black and white trees
--- as well as ---
hope you enjoy this series of desktop background wallpapers.
these images are created for a 1.6:1 aspect ratio. the image resolution is 2560x1600, use a setting such as center or fit if you are using a different resolution. this series is comprised of images i like and personally use as my desktop backgrounds.
Some cool stock photo images:
Rhythm
Image by lo.re.n.zo.
Scatena il ritmo
Unleash the rhythm
spain-2012-35
Image by memoflores
El Valle de los Caidos - Valley of the Fallen
1987 Chevrolet Monte Carlo - Gary Sousa
Image by prorallypix
2008 Pacific Northwest Historics
Check out these earth image images:
Eastern Caribbean at Night (NASA, International Space Station, 10/18/11)
Image by NASA's Marshall Space Flight Center
Editor's note: Incredible photos from the ISS! This has also been added to the NASA Views Earth at Night photoset: www.flickr.com/photos/28634332@N05/sets/72157625188331491/ If you see other NASA sites where this appears, such as Earth Observatory or Astronaut Gateway, let me know and I'll add a link to those, too...
This is one of a series of night time images photographed by the Expedition 29 crew from the International Space Station. It features Eastern Caribbean region; Santo Domingo, Dominican Republic in the foreground (bottom left), all of Puerto Rico, the Lesser Antilles (top) and Venezuelan coast (right).
Image credit: NASA
Original image:
spaceflight.nasa.gov/gallery/images/station/crew-29/html/...
More about space station research:
www.nasa.gov/mission_pages/station/research/index.html
There's a Flickr group about Space Station Research. Please feel welcome to join! www.flickr.com/groups/stationscience/
View more than 400 photos like this in the "NASA Earth Images" Flickr photoset:
www.flickr.com/photos/28634332@N05/
_____________________________________________
These official NASA photographs are being made available for publication by news organizations and/or for personal use printing by the subject(s) of the photographs. The photographs may not be used in materials, advertisements, products, or promotions that in any way suggest approval or endorsement by NASA. All Images used must be credited. For information on usage rights please visit: www.nasa.gov/audience/formedia/features/MP_Photo_Guidelin...
Aurora Australis Over Indian Ocean (NASA, International Space Station, 09/18/11)
Image by NASA's Marshall Space Flight Center
Editor's note: Incredible photos from the ISS! This has also been added to the NASA Views Earth at Night photoset: www.flickr.com/photos/28634332@N05/sets/72157625188331491/
This is one of a series of night time images photographed by one of the Expedition 29 crew members from the International Space Station. It features Aurora Australis and parts of the southeastern Indian Ocean. Nadir coordinates are 40.57 degrees south latitude and 112.15 degrees east longitude. It was photographed at 15:01:50 GMT, Sept. 18, 2011.
Image credit: NASA
Original image:
spaceflight.nasa.gov/gallery/images/station/crew-29/html/...
More about space station research:
www.nasa.gov/mission_pages/station/research/index.html
There's a Flickr group about Space Station Research. Please feel welcome to join! www.flickr.com/groups/stationscience/
View more than 400 photos like this in the "NASA Earth Images" Flickr photoset:
www.flickr.com/photos/28634332@N05/
_____________________________________________
These official NASA photographs are being made available for publication by news organizations and/or for personal use printing by the subject(s) of the photographs. The photographs may not be used in materials, advertisements, products, or promotions that in any way suggest approval or endorsement by NASA. All Images used must be credited. For information on usage rights please visit: www.nasa.gov/audience/formedia/features/MP_Photo_Guidelin...
Check out these photo lab images:
Fotoloco Lab Solution @ Manila Hotel 093
Image by FOTOLOCO!
Fotoloco photo booth pictures @ Lab Solution Technologies Inc. @ 48th Annual Convention | Manila Hotel | All-you-want photo prints with greenscreen from Fotoloco photo booth
Fotoloco Lab Solution @ Manila Hotel 099
Image by FOTOLOCO!
Fotoloco photo booth pictures @ Lab Solution Technologies Inc. @ 48th Annual Convention | Manila Hotel | All-you-want photo prints with greenscreen from Fotoloco photo booth
Check out these photo show images:
Internationaal Vuurwerkfestival Scheveningen 2008
Image by Haags Uitburo
During the Internationaal Vuurwerkfestival Scheveningen fireworks are lit near the Pier which makes for a fantastic spectacle in the skies above the beach resort of The Hague.
---
Tijdens het spectaculaire Internationaal Vuurwerkfestival geven elke avond twee landen een show. Op de foto is de show van Mexico te zien dat een scala van heldere sier- en kleureffecten gebruikte en daarmee de de Vuurwerktrofee Scheveningen won.
Willmar Car Show & Swap Meet 2013
Image by DVS1mn
The weather and gas prices did not help attract large numbers cars to the show, but the afternoon turned out nice. Spectators did not get to see as many cars, but there still was a great variety of very nice cars.
willmarcarclub.com/
Thousands of car pictures at the link below:
www.flickr.com/photos/greggjerdingen/collections/72157631...
Willmar Car Show & Swap Meet 2013
Image by DVS1mn
The weather and gas prices did not help attract large numbers cars to the show, but the afternoon turned out nice. Spectators did not get to see as many cars, but there still was a great variety of very nice cars.
willmarcarclub.com/
Thousands of car pictures at the link below:
www.flickr.com/photos/greggjerdingen/collections/72157631...
Check out these photo booth rental images:
IMG_0184
Image by Paparazzi Girl
Bridal Salon Event 3.25.13
Check out these image website images:
Sunny Silhouette
Image by Vincent_AF
Nikon D800, Nikkor AF 35mm f/2.0 @ f/4.5, 35mm, 1/160sec, ISO-500
CC Attribution, Share Alike! Credit me by linking back to my flickr
account or my website. Thanks!
Follow me on twitter, facebook or tumblr
Please, don't use the comment box to promote your own pictures!
Incoming Storm Over Singer Island Florida Lake Worth Lagoon
Image by Captain Kimo
captainkimo.com/incoming-storm-over-singer-island-florida...
Another shot from a storm that rolled over Singer Island a couple weeks ago. There was some lightning but I was unable to catch any of it because I didn't have the right gear. But I was able to get the storm clouds, which was pretty ominous, as it made its way over the Lake Worth Lagoon.
Go to My Profile for:
* a list of my photography gear
* a list of my tutorials
* a list of software I use
* a link to my website
* to sign up for my monthly newsletter
* add me to your Facebook
A few nice photo gifts images I found:
Base of Decorative Hexagonal Origami Gift Box (with Lid removed): # 02
Image by Dominic's pics
✹ To see a view of the complete box - including the lid - click here.
This box is one of 20 different boxes for sale by auction on eBay in support of survivors of the 2011 Tohoku earthquake and tsunami disaster in Japan. Click here to visit / to return to the eBay listing [Item number: 120728868170]. The auction for this item closes on Friday the 3rd of June 2011 at 00:18 a.m. British Summer Time (UTC + 1).
✹ Click here to see a thumbnail overview of all the boxes, or watch a Slideshow of all the boxes.
Proceeds of the auction - after eBay and PayPal fees have been deducted - will be donated to the Japanese Red Cross Society.
✹ To see a larger, more detailed, view of this picture click on the small magnifying glass icon at the top right of the picture, then click on "View all sizes", then click on "Original" - which displays the largest and best quality image.
About the Japanese Red Cross Society
The Japanese Red Cross are one of three major fundraising organisaitions based in Japan (the other two being the Japanese broadcaster NHK and the Red Feather Central Community Chest of Japan - originally a post World War II re-building organisation). You can download two english language reports relating to the disaster from the Japanese Red Cross website:
Operations Update No.1 - 13th April 2011 [.pdf file, retrieved 17th May 2011]
Operations Update No.2 - 6th May 2011 [.pdf file, retrieved 17th May 2011]
Over two months on, the needs of many of the survivors remain desperately basic. There has been an increased incidence of pneumonia and associated fatalities. As well as helping with practical and medical requirements, the Japanese Red Cross Society are helping people deal with "Shell Shock" / Post Traumatic Stress Disorder and further developing services to address these issues.
Perhaps most impressively, they helped quickly set up a management structure to co-ordinate help from all the major fundraisers, a committee including academics and representatives from the 15 most badly affected prefectures [local governments]. The pre-existing local Red Cross chapters [branches] are helping with governance.
Although Japan has a large economy, and domestically the japanese have been hugely generous towards aid efforts, like everywhere else, many people of course are not personally rich. There is still epic upheaval. Much of welfare is normally provided by family and community, a system that breaks down when whole barrios are fragmented and diminished. Services like adoption and fostering, for example - normally always done by relatives - are having to be developed. A planning policy of building schools on higher ground saved many children, but even after encouraging teachers back out of retirement, there is still a shortage of experienced teachers. Japan is mostly mountains and sea, with very little spare land suitable for building, so temporary accommodation has had to be built on land normally reserved for other activities, for example on school playgrounds.
If you enjoy shopping in support of the Japanese Red Cross Society, you might also like Tomodachi Calling, a cafepress web store / shop (recommend by a fellow flickrer schmid91, who helped document the aftermath of the tsunami in Ishinomaki Myagi prefecture).
Japan based english language online newspapers
The Japan Times
Daily Yomiuri
The Asahi Shimbun
About the decorative hexagonal origami gift box
The box is made up from 12 square origami papers - 6 for the lid and 6 for the base. No cutting, glue or adhesive tape is used.
Although Japan has a long tradition of paper folding, the design of the box is modern, by Tomoko Fuse 布施 知子, who is a renown unit origami designer and artist. Unit origami is a method of building up models using pre-folded components or units.
If you are an accurate and consistent paper folder, but are new to unit origami, and you would like to make your own box, I would recommend her book "Origami Boxes: Moribana Style" [# ISBN-10: 0870408216 - # ISBN-13: 978-0870408212] as an excellent introduction. Connecting the units together can be a bit fiddly at first, and the book also includes designs for more simple square and triangular boxes, which give the opportunity to practice and develop the skills needed for doing the final assembly.
(Until Asimo gets a bit more nimble fingered, the box is unlikely to flood the market anytime soon...)
If you get the bug, she has also created and written about very much more complex models. "Unit Origami: Multidimensional Transformations" [ISBN-10: 0870408526 - ISBN-13: 978-0870408526] is considered a classic text on the subject.
Paper making was a traditional supplemental business of farmers in Japan during the winter. The very cold water during that season enabled the fibres in the pulp to be soaked without becoming subject to decay, and some also argue that cold shrinks the fibres, creating a finer, crisper paper.
Base of Decorative Hexagonal Origami Gift Box (with Lid removed): # base06
Image by Dominic's pics
✹ To see a view of the complete box - including the lid - click here.
This box is one of 20 different boxes for sale by auction on eBay in support of survivors of the 2011 Tohoku earthquake and tsunami disaster in Japan. Click here to visit / to return to the eBay listing [Item number: 120728883569]. The auction for this item closes on Friday the 3rd of June 2011 at 01:13 a.m. British Summer Time (UTC + 1).
✹ Click here to see a thumbnail overview of all the boxes, or watch a Slideshow of all the boxes.
Proceeds of the auction - after eBay and PayPal fees have been deducted - will be donated to the Japanese Red Cross Society.
✹ To see a larger, more detailed, view of this picture click on the small magnifying glass icon at the top right of the picture, then click on "View all sizes", then click on "Original" - which displays the largest and best quality image.
About the Japanese Red Cross Society
The Japanese Red Cross are one of three major fundraising organisaitions based in Japan (the other two being the Japanese broadcaster NHK and the Red Feather Central Community Chest of Japan - originally a post World War II re-building organisation). You can download two english language reports relating to the disaster from the Japanese Red Cross website:
Operations Update No.1 - 13th April 2011 [.pdf file, retrieved 17th May 2011]
Operations Update No.2 - 6th May 2011 [.pdf file, retrieved 17th May 2011]
Over two months on, the needs of many of the survivors remain desperately basic. There has been an increased incidence of pneumonia and associated fatalities. As well as helping with practical and medical requirements, the Japanese Red Cross Society are helping people deal with "Shell Shock" / Post Traumatic Stress Disorder and further developing services to address these issues.
Perhaps most impressively, they helped quickly set up a management structure to co-ordinate help from all the major fundraisers, a committee including academics and representatives from the 15 most badly affected prefectures [local governments]. The pre-existing local Red Cross chapters [branches] are helping with governance.
Although Japan has a large economy, and domestically the japanese have been hugely generous towards aid efforts, like everywhere else, many people of course are not personally rich. There is still epic upheaval. Much of welfare is normally provided by family and community, a system that breaks down when whole barrios are fragmented and diminished. Services like adoption and fostering, for example - normally always done by relatives - are having to be developed. A planning policy of building schools on higher ground saved many children, but even after encouraging teachers back out of retirement, there is still a shortage of experienced teachers. Japan is mostly mountains and sea, with very little spare land suitable for building, and so - while rebuilding takes place - temporary accommodation has had to be built on land normally reserved for other activities, for example on school playgrounds.
If you enjoy shopping in support of the Japanese Red Cross Society, you might also like Tomodachi Calling, a cafepress web store / shop (recommend by a fellow flickrer schmid91, who helped document the aftermath of the tsunami in Ishinomaki Myagi prefecture).
Japan based english language online newspapers
The Japan Times
Daily Yomiuri
The Asahi Shimbun
About the decorative hexagonal origami gift box
The box is made up from 12 square origami papers - 6 for the lid and 6 for the base. No cutting, glue or adhesive tape is used.
Although Japan has a long tradition of paper folding, the design of the box is modern, by Tomoko Fuse 布施 知子, who is a renown unit origami designer and artist. Unit origami is a method of building up models using pre-folded components or units.
If you are an accurate and consistent paper folder, but are new to unit origami, and you would like to make your own box, I would recommend her book "Origami Boxes: Moribana Style" [# ISBN-10: 0870408216 - # ISBN-13: 978-0870408212] as an excellent introduction. Connecting the units together can be a bit fiddly at first, and the book also includes designs for more simple square and triangular boxes, which give the opportunity to practice and develop the skills needed for doing the final assembly.
(Until Asimo gets a bit more nimble fingered, the box is unlikely to flood the market anytime soon...)
If you get the bug, she has also created and written about very much more complex models. "Unit Origami: Multidimensional Transformations" [ISBN-10: 0870408526 - ISBN-13: 978-0870408526] is considered a classic text on the subject.
Paper making was a traditional supplemental business of farmers in Japan during the winter. The very cold water during that season enabled the fibres in the pulp to be soaked without becoming subject to decay, and some also argue that cold shrinks the fibres, creating a finer, crisper paper.
Base of Decorative Hexagonal Origami Gift Box (with Lid removed): # 05
Image by Dominic's pics
✹ To see a view of the complete box - including the lid - click here.
This box is one of 20 different boxes for sale by auction on eBay in support of survivors of the 2011 Tohoku earthquake and tsunami disaster in Japan. Click here to visit / to return to the eBay listing [Item number: 120728877619]. The auction for this item closes on Friday the 3rd of June 2011 at 00:52 a.m. British Summer Time (UTC + 1).
✹ Click here to see a thumbnail overview of all the boxes, or watch a Slideshow of all the boxes.
Proceeds of the auction - after eBay and PayPal fees have been deducted - will be donated to the Japanese Red Cross Society.
✹ To see a larger, more detailed, view of this picture click on the small magnifying glass icon at the top right of the picture, then click on "View all sizes", then click on "Original" - which displays the largest and best quality image.
About the Japanese Red Cross Society
The Japanese Red Cross are one of three major fundraising organisaitions based in Japan (the other two being the Japanese broadcaster NHK and the Red Feather Central Community Chest of Japan - originally a post World War II re-building organisation). You can download two english language reports relating to the disaster from the Japanese Red Cross website:
Operations Update No.1 - 13th April 2011 [.pdf file, retrieved 17th May 2011]
Operations Update No.2 - 6th May 2011 [.pdf file, retrieved 17th May 2011]
Over two months on, the needs of many of the survivors remain desperately basic. There has been an increased incidence of pneumonia and associated fatalities. As well as helping with practical and medical requirements, the Japanese Red Cross Society are helping people deal with "Shell Shock" / Post Traumatic Stress Disorder and further developing services to address these issues.
Perhaps most impressively, they helped quickly set up a management structure to co-ordinate help from all the major fundraisers, a committee including academics and representatives from the 15 most badly affected prefectures [local governments]. The pre-existing local Red Cross chapters [branches] are helping with governance.
Although Japan has a large economy, and domestically the japanese have been hugely generous towards aid efforts, like everywhere else, many people of course are not personally rich. There is still epic upheaval. Much of welfare is normally provided by family and community, a system that breaks down when whole barrios are fragmented and diminished. Services like adoption and fostering, for example - normally always done by relatives - are having to be developed. A planning policy of building schools on higher ground saved many children, but even after encouraging teachers back out of retirement, there is still a shortage of experienced teachers. Japan is mostly mountains and sea, with very little spare land suitable for building, and so - while rebuilding takes place - temporary accommodation has had to be built on land normally reserved for other activities, for example on school playgrounds.
If you enjoy shopping in support of the Japanese Red Cross Society, you might also like Tomodachi Calling, a cafepress web store / shop (recommend by a fellow flickrer schmid91, who helped document the aftermath of the tsunami in Ishinomaki Myagi prefecture).
Japan based english language online newspapers
The Japan Times
Daily Yomiuri
The Asahi Shimbun
About the decorative hexagonal origami gift box
The box is made up from 12 square origami papers - 6 for the lid and 6 for the base. No cutting, glue or adhesive tape is used.
Although Japan has a long tradition of paper folding, the design of the box is modern, by Tomoko Fuse 布施 知子, who is a renown unit origami designer and artist. Unit origami is a method of building up models using pre-folded components or units.
If you are an accurate and consistent paper folder, but are new to unit origami, and you would like to make your own box, I would recommend her book "Origami Boxes: Moribana Style" [# ISBN-10: 0870408216 - # ISBN-13: 978-0870408212] as an excellent introduction. Connecting the units together can be a bit fiddly at first, and the book also includes designs for more simple square and triangular boxes, which give the opportunity to practice and develop the skills needed for doing the final assembly.
(Until Asimo gets a bit more nimble fingered, the box is unlikely to flood the market anytime soon...)
If you get the bug, she has also created and written about very much more complex models. "Unit Origami: Multidimensional Transformations" [ISBN-10: 0870408526 - ISBN-13: 978-0870408526] is considered a classic text on the subject.
Paper making was a traditional supplemental business of farmers in Japan during the winter. The very cold water during that season enabled the fibres in the pulp to be soaked without becoming subject to decay, and some also argue that cold shrinks the fibres, creating a finer, crisper paper.
Check out these photo letters images:
Photograph of letter carriers' band from Seattle, Washington
Image by Smithsonian Institution
Date: c. 1952
Object number: A.2009-43
Medium: paper; photo-emulsion
Description: Unidentified members of the National Association of Letter Carriers' (NALC) band pose for a group photograph. As noted on the drum in the center of the photograph, these carriers belonged to Seattle, Washington's Branch 79 of the NALC. The US postal system has a long history of employees forming sports teams, bands, and choirs, the first of which began forming in the late nineteenth century. National Postal Museum, Curatorial Photographic Collection Photographer: Unknown
Place: United States of America
Washington
See more items in: National Postal Museum Collection
Credit line: National Postal Museum, Curatorial Photographic Collection
Photographer: Unknown
Persistent URL:http://www.arago.si.edu/index.asp?con=2&cmd=1&id=207607
Repository:National Postal Museum
View more collections from the Smithsonian Institution.
Making a stop-motion-movie
Image by Kalexanderson
Four!
Image by stephycupcake
The Daily Shoot #235
Make a photo with the number 4 in it one way or another. Maybe 4 items. Maybe a written number. Maybe more abstract.
---
I was thinking of all of the different things I could take a picture of for today's Daily Shoot assignment. I was going to do eggs, but I saw someone else already had and then was like "Scrabble Tiles!" so I grabbed the box and took a shot :)
Check out these image sites images:
Uk Radar Station in deep snow
Image by david.nikonvscanon
This is a UK Radar Site on the top of a mountain called Great Dun Fell owned by NATS (National Air Traffic Services).
Today our dedicated engineers were on site doing repair and maintenance work. They got a great day for their visit. Despite sub zero temperature and deep snow drifts the sun was shining at the top of the mountain. I persuaded one of our enginers to take a photo. This is the superb result!
I confess this isn't my image but it just needs sharing
Day 006/365 - Living Room furniture without the Room
Image by Great Beyond
A most unusual park over on 17th Avenue NW between NW 62nd-63rd Streets. It's a community project, a Pocket Park, if you will.
The park came together from the combination of two lots, one of which used to be a corner grocery store. Today, an entrance designed to mimic the antique corner store entrance stands at the corner where passing local residents can read about the site’s history.
Toward the south, a few parts of the wall are all that remain of a house that used to sit on the lot; a concrete couch, end table and lounge chair occupy the space now.
Some cool fun photos images:
Film Fun 1942
Image by bollesbiggestfan1
This gets my vote for the most unusual of all the covers Bolles did for that magazine. Aside from being done in what is close to a photo-realistic style (and keep in mind that Bolles has been described as a cartoonist) there are very few of his signature flourishes. The hands are nicely rendered but are not all typical Bolles poses. The faces are nearly exact copies from the photo Bolles used for this cover (it's on my blog site). The only giveaways are that their smiles are a bit toothy and eyes squintier than the photo. The bikini tops do have nice floral patterns that Bolles often applied to costumes, but otherwise this cover is as far from a typical Bolles as they get.
watching fun...
Image by f_lynx
best bigger and on black...
Easter Fun 114/365
Image by Louish Pixel
Follow Me: Facebook | Twitter | Louish·com (Photography Tutorials & More)
My kids saw Jason Lee's easter photo of his kids and they wanted to do the same thing.. I wasn't planning on using this for my 365, it was just going to be an easter photo for them, but I ran out of time and didn't do another photo for today, so this is it. If you haven't heard of Jason Lee's or his kids, you're in for a big treat. He is by far the most creative photographer there is... all of his work is absolutely amazing.
Strobist Info:
Backlight 1: Alienbees B800 on back left behind subject with Medium Soft Box and Grid, 45 degree angle, 1/2 power
Backlight 2: Alienbees B800 on back right behind subject with Medium Soft Box and Grid, 45 degree angle, 1/2 power
Front Light: Alienbees B800 with 22" beautydish above facing down at a 45 degree angle. 1/2 power
Ring Light: Ring light on camera with Canon 580ex II to create even glow. Full Power
Alienbees were triggered optically from the 580ex II ringflash.
Each kid was shot separately, each egg was shot separately. Broken egg was messy.
Check out these photo printer images:
hackNY spring 2013 student hackathon
Image by hackNY
Photo by Matylda Czarnecka
The spring 2013 hackNY student hackathon brought in hundreds of students to Columbia University's Fu Foundation School of Engineering and Applied Science April 6-7 for 24 hours of creative collaborative hacking on New York City startups' APIs.
NYC Startups, selected by a student organizing committee, presented their technologies at the beginning of the event, after which students formed groups to work through the night implementing their own ideas for fresh hacks built on top of these APIs.
On Sunday afternoon students presented their projects to an audience including a judging panel featuring members of the NYC startup community, which selected the final winning teams.
Since April 2010, hackNY hosts student hackathons one each semester, as well as the hackNY Fellows program, a structured internship which pairs quantitative and computational students with startups which can demonstrate a strong mentoring environment: a problem for a student to work on, a person to mentor them, and a place for them to work. Startups selected to host a student compensate student Fellows. Students enjoy free housing together and a pedagogical lecture series to introduce them to the ins and outs of joining and founding a startup in NYC.
To find out what you missed at the spring 2013 hackNY student hackathon please do see our HackerLeague event page and blog post announcing the winners.
Special thanks to our spring 2013 hackNY student hackathon judges! And congratulations to the winners of the spring 2013 hackNY student hackathon!
For more information on hackNY's initiatives, please visit www.hackny.org and follow us on twitter @hackNY
hackNY spring 2013 student hackathon
Image by hackNY
Photo by Matylda Czarnecka
The spring 2013 hackNY student hackathon brought in hundreds of students to Columbia University's Fu Foundation School of Engineering and Applied Science April 6-7 for 24 hours of creative collaborative hacking on New York City startups' APIs.
NYC Startups, selected by a student organizing committee, presented their technologies at the beginning of the event, after which students formed groups to work through the night implementing their own ideas for fresh hacks built on top of these APIs.
On Sunday afternoon students presented their projects to an audience including a judging panel featuring members of the NYC startup community, which selected the final winning teams.
Since April 2010, hackNY hosts student hackathons one each semester, as well as the hackNY Fellows program, a structured internship which pairs quantitative and computational students with startups which can demonstrate a strong mentoring environment: a problem for a student to work on, a person to mentor them, and a place for them to work. Startups selected to host a student compensate student Fellows. Students enjoy free housing together and a pedagogical lecture series to introduce them to the ins and outs of joining and founding a startup in NYC.
To find out what you missed at the spring 2013 hackNY student hackathon please do see our HackerLeague event page and blog post announcing the winners.
Special thanks to our spring 2013 hackNY student hackathon judges! And congratulations to the winners of the spring 2013 hackNY student hackathon!
For more information on hackNY's initiatives, please visit www.hackny.org and follow us on twitter @hackNY
hackNY spring 2013 student hackathon
Image by hackNY
Photo by Matylda Czarnecka
The spring 2013 hackNY student hackathon brought in hundreds of students to Columbia University's Fu Foundation School of Engineering and Applied Science April 6-7 for 24 hours of creative collaborative hacking on New York City startups' APIs.
NYC Startups, selected by a student organizing committee, presented their technologies at the beginning of the event, after which students formed groups to work through the night implementing their own ideas for fresh hacks built on top of these APIs.
On Sunday afternoon students presented their projects to an audience including a judging panel featuring members of the NYC startup community, which selected the final winning teams.
Since April 2010, hackNY hosts student hackathons one each semester, as well as the hackNY Fellows program, a structured internship which pairs quantitative and computational students with startups which can demonstrate a strong mentoring environment: a problem for a student to work on, a person to mentor them, and a place for them to work. Startups selected to host a student compensate student Fellows. Students enjoy free housing together and a pedagogical lecture series to introduce them to the ins and outs of joining and founding a startup in NYC.
To find out what you missed at the spring 2013 hackNY student hackathon please do see our HackerLeague event page and blog post announcing the winners.
Special thanks to our spring 2013 hackNY student hackathon judges! And congratulations to the winners of the spring 2013 hackNY student hackathon!
For more information on hackNY's initiatives, please visit www.hackny.org and follow us on twitter @hackNY
Check out these photo letters images:
The Best As
Image by qthomasbower
The Best As
A highly processed compression and diffusion of images depicting the Capital Letter A. The source images were drawn from the flickr most interesting, and most recent uploads with the tags letter and A.
To increase the definition of the final image, the inital set was edited down to the "right" set based on a simple criteria: was a capital letter A visible in the image. Each member of the right set was cropped to subarea containing the image of the capital A.
Post processing was applied to emphasize the color variation of the original set, and to add texture and depth to the resulting image.
A few nice photo booths images I found:
Big Omaha 2011 Photo Booth
Image by Silicon Prairie News
Big Omaha 2011 Photo Booth
Image by Silicon Prairie News
Big Omaha 2011 Photo Booth
Image by Silicon Prairie News
A few nice photo editing images I found:
Internal Forces of Combustion In Symphonic Harmony With Nature's Clouds of Arsonist Tendencies
Image by DeeAshley
Once again, the old Grapevine granary.... I keep trying to make the many photos of this thing as unique as possible!!
post secret, three.
Image by ashley rose,
large
i really want to do another picture like this
A few nice photo development images I found:
Access Road to New Development, the "Grand Canyon" Estates 06/1972
Image by The U.S. National Archives
Original Caption: Access Road to New Development, the "Grand Canyon" Estates 06/1972
U.S. National Archives’ Local Identifier: 412-DA-1685
Photographer: Eiler, Lyntha Scott, 1946-
Subjects:
Arizona (United States) state
Environmental Protection Agency
Project DOCUMERICA
Persistent URL: arcweb.archives.gov/arc/action/ExternalIdSearch?id=544178
Repository: Still Picture Records Section, Special Media Archives Services Division (NWCS-S), National Archives at College Park, 8601 Adelphi Road, College Park, MD, 20740-6001.
For information about ordering reproductions of photographs held by the Still Picture Unit, visit: www.archives.gov/research/order/still-pictures.html
Reproductions may be ordered via an independent vendor. NARA maintains a list of vendors at www.archives.gov/research/order/vendors-photos-maps-dc.html
Access Restrictions: Unrestricted
Use Restrictions: Unrestricted
District employees graduate from leadership development program
Image by USACE Europe District
Charles Samuel, Klaus Fiedler and Vanessa Bauders receive diplomas from NAU Commander Col. John Kem at the Amelia Earhart Center July 30 after completing the Europe District's inaugural year-long Leadership Development Program. (U.S. Army Corps of Engineers photo by Justin Ward)
Check out these bing image images:
Corny
Image by Neil Kremer
Blown away with you.
Image by Neil Kremer
Joshua Tree National Forest
Some cool bing image images:
Hot Pink Silver Pink and Cream Medium Butterfly Mobile
Image by Butterfly Mobiles by ButterflyOrbs
View my profile to learn more about ButterflyOrbs.
Hot Pink Silver Pink and Cream Medium Butterfly Mobile
Image by Butterfly Mobiles by ButterflyOrbs
View my profile to learn more about ButterflyOrbs.
Check out these free photo software images:
2010-11-03 Crab Nebula - Reprocessed and Inverted in Greyscale
Image by Ken_Lord
I'm trying out a free trial license for PixInsight, which appears to have far more capabilities than DeepSky Stacker ... and is that much harder to figure out.
An example of a cool tool in PixInsight is the background tool, which removed nearly all of the spot-light vignetting that was in the original due to not using flat files or my light pollution filter.
(I crudely hid the problem in the original by setting the black point in the brighter part of the noise, which also reduced the detail visible in the image)
Capture details are available in the first Crab Nebula photo with the same date in the title.
I'm sure there's a hundred things wrong with this as it's my first attempt with PixInsight and I used 30 second sub-exposures, but at this point it's way over my head, I'm happy to have gotten this out of the software thanks to some newbie tutorials on PixInsight's forum.
#60 astrodeep200407a HUDF, Spitzer #2 4.88z old tiny galaxy 494X492
Image by rmforall@gmail.com
ubiquitous bright blue 1-12 pixel sources on darker 3D fractal web in five
2007.09.06 IR and visible light HUDF images, Nor Pirzkal, Sangeeta
Malhotra, James E Rhoads, Chun Xu, -- might be clusters of earliest
hypernovae in recent cosmological simulations: Rich Murray 2008.08.17
rmforall.blogspot.com/2008_08_01_archive.htm
Sunday, August 17, 2008
groups.yahoo.com/group/AstroDeep/25
groups.yahoo.com/group/rmforall/85
www.flickr.com/photos/rmforall/1349101458/in/photostream/
The 5 closeups are about 2.2x2.2 arc-seconds wide and high, about 70x70 pixels.
The HUDF is 315x315 arc-seconds, with N at top and E at left.
Each side has 10,500x10,500 pixels at 0.03 arc-second per pixel.
Click on All Sizes and select Original to view the highest resolution image of
3022x2496 pixels, which can be also be conveniently seen directly at their Zoomable image:
www.spacetelescope.org/images/html/zoomable/heic0714a.html
Notable in the deep background of the five closeups are ubiquitous bright blue sources, presumably extremely hot ultraviolet before redshifting, 1 to a dozen or so pixels, as single or short lines of spots, and a few irregular tiny blobs, probably, as predicted in many recent simulations, the earliest massive, short-lived hypernovae, GRBs with jets at various angles to our line of sight, expanding bubbles, earliest molecular and dust clouds with light echoes and bursts of star formation, and first small dwarf galaxies, always associated with a subtle darker 3D random fractal mesh of filaments of H and He atomic gases.
As a scientific layman, I am grateful for specific cogent, civil feedback, based on the details readily visible in images in the public domain.
www.spacetelescope.org/images/html/heic0714a.html
Hubble and Spitzer Uncover Smallest Galaxy Building Blocks
In this image of the Hubble Ultra Deep Field, several objects are identified
as the faintest, most compact galaxies ever observed in the distant
Universe.
They are so far away that we see them as they looked less than one billion
years after the Big Bang.
Blazing with the brilliance of millions of stars, each of the newly
discovered galaxies is a hundred to a thousand times smaller than our Milky
Way Galaxy.
The bottom row of pictures shows several of these clumps (distance expressed
in redshift value).
Three of the galaxies appear to be slightly disrupted.
Rather than being shaped like rounded blobs, they appear stretched into
tadpole-like shapes.
This is a sign that they may be interacting and merging with neighboring
galaxies to form larger structures.
The detection required joint observations between Hubble and NASA's Spitzer
Space Telescope.
Blue light seen by Hubble shows the presence of young stars.
The absence of red light from Spitzer observations conclusively shows that
these are truly young galaxies without an earlier generation of stars.
Credit: NASA, ESA, and N. Pirzkal (European Space Agency/STScI)
Id: heic0714a
Object: HUDF, UDF, Hubble Ultra Deep Field
Type: Cosmology
Instrument: ACS
Width: 2750
Height: 3312
Downloads
Images
www.spacetelescope.org/images/original/heic0714a.tif
Fullsize Original 17.085 MB
www.alternatiff.com/
view with free software AlternaTIFF
alternatiff-1_8_4.exe for Firefox browser
Large JPEG
3,422 KB
Screensize JPEG
387 KB
www.spacetelescope.org/images/html/zoomable/heic0714a.html
Zoomable
Copyright-free material (more info).
www.esa.int/esaSC/SEMCGRMPQ5F_index_1.html
hubblesite.org/newscenter/archive/releases/2007/31
hubblesite.org/newscenter/archive/releases/2007/31/image/
www.spitzer.caltech.edu/
www.spacetelescope.org/news/html/heic0714.html
www.spacetelescope.org/news/text/heic0714.txt
HEIC0714: EMBARGOED UNTIL 18:00 (CEST)/12:00 PM EDT 06 September, 2007
www.spacetelescope.org/news/html/heic0714.html
News release:
Hubble and Spitzer Space Telescopes find “Lego-block” galaxies in early
Universe
06-September 2007 The NASA/ESA Hubble Space Telescope and the NASA
Spitzer Space Telescope have joined forces to discover nine of the
smallest, faintest, most compact galaxies ever observed in the distant
Universe. Blazing with the brilliance of millions of stars, each of the
newly discovered galaxies is a hundred to a thousand times smaller than
our Milky Way Galaxy.
The conventional model for galaxy evolution predicts that small galaxies
in the early Universe evolved into the massive galaxies of today by
coalescing. Nine Lego-like “building block” galaxies initially detected
by Hubble likely contributed to the construction of the Universe as we
know it. “These are among the lowest mass galaxies ever directly
observed in the early Universe” says Nor Pirzkal of the European Space
Agency/STScI.
Pirzkal was surprised to find that the galaxies’ estimated masses were
so small. Hubble’s cousin observatory, NASA’s Spitzer Space Telescope
was called upon to make precise determinations of their masses. The
Spitzer observations confirmed that these galaxies are some of the
smallest building blocks of the Universe.
These young galaxies offer important new insights into the Universe’s
formative years, just one billion years after the Big Bang. Hubble
detected sapphire blue stars residing within the nine pristine galaxies.
The youthful stars are just a few million years old and are in the
process of turning Big Bang elements (hydrogen and helium) into heavier
elements. The stars have probably not yet begun to pollute the
surrounding space with elemental products forged within their cores.
“While blue light seen by Hubble shows the presence of young stars, it
is the absence of infrared light in the sensitive Spitzer images that
was conclusive in showing that these are truly young galaxies without an
earlier generation of stars,” says Sangeeta Malhotra of Arizona State
University in Tempe, USA, one of the investigators.
The galaxies were first identified by James Rhoads of Arizona State
University, USA, and Chun Xu of the Shanghai Institute of Technical
Physics in Shanghai, China. Three of the galaxies appear to be slightly
disrupted -- rather than being shaped like rounded blobs, they appear
stretched into tadpole-like shapes. This is a sign that they may be
interacting and merging with neighbouring galaxies to form larger,
cohesive structures.
The galaxies were observed in the Hubble Ultra Deep Field (HUDF) with
Hubble’s Advanced Camera for Surveys and the Near Infrared Camera and
Multi-Object Spectrometer as well as Spitzer’s Infrared Array Camera and
the European Southern Observatory’s Infrared Spectrometer and Array
Camera. Seeing and analysing such small galaxies at such a great
distance is at the very limit of the capabilities of the most powerful
telescopes. Images taken through different colour filters with the ACS
were supplemented with exposures taken through a so-called grism which
spreads the different colours emitted by the galaxies into short
“trails”. The analysis of these trails allows the detection of emission
from glowing hydrogen gas, giving both the distance and an estimate of
the rate of star formation. These “grism spectra” -- taken with Hubble
and analysed with software developed at the Space Telescope-European
Coordinating Facility in Munich, Germany -- can be obtained for objects
that are significantly fainter than can be studied spectroscopically
with any other current telescope.
# # #
Notes for editors
The Hubble Space Telescope is a project of international cooperation
between ESA and NASA.
Pirzkal’s main collaborators were Malhotra, Rhoads, Xu, and the GRism
ACS Program for Extragalactic Science (GRAPES) team.
Image credit: NASA, ESA and N. Pirzkal (European Space Agency/STScI)
If you wish to no longer receive these News and Photo Releases, please
send an email to distribution@spacetelescope.org with your name.
For more information, please contact:
Nor Pirzkal ;
European Space Agency/Space Telescope Science Institute, Baltimore, USA
Tel: 410-338-4879
Lars Lindberg Christensen ;
Hubble/ESA, Garching, Germany
Tel: +49-(0)89-3200-6306
Cellular: +49-(0)173-3872-621
Ray Villard ;
Space Telescope Science Institute, Baltimore, USA
Tel: +1-410-338-4514
Whitney Clavin
Jet Propulsion Laboratory, Pasadena, USA
Tel: +1-818-354-4673
AST HUDF Spitzer IR 9 galaxies z 4-5.7, N Pirzdal, S Malhotra, JE Rhoads, C Xu, 2007.05.01 28p
www.spacetelescope.org/news/science_paper/0612513.pdf
arXiv:astro-ph/0612513v2 1 May 2007
Optical to mid-IR observations of Lyman-! galaxies at z about 5 in the HUDF: a young and low mass population
N. Pirzkal 1,2,
S. Malhotra 3,
J. E. Rhoads 3,
C. Xu 4
ABSTRACT
High redshift galaxies selected on the basis of their strong Lyman-! emission tend to be young ages and small physical sizes.
We show this by analyzing the spectral energy distribution (SED) of 9 Lyman-! emitting (LAE) galaxies at 4.0 < z < 5.7 in the Hubble Ultra Deep Field (HUDF).
Rest-frame UV to optical 700°A < " < 7500°A luminosities, or upper limits, are used to constrain old stellar populations.
We derive best fit, as well as maximally massive and maximally old, properties of all 9 objects.
We show that these faint and distant objects are all very young, being most likely only a few millions years old, and not massive, the mass in stars being ! 106 − 108 M!.
Deep Spitzer Infrared Array Camera (IRAC) observations of these objects, even in cases where objects were not detected, were crucial in constraining the masses of these objects.
The space density of these objects, ! 1.25× 10−4 Mpc−3 is comparable to previously reported space density of LAEs at moderate to high redshifts.
These Lyman-! galaxies show modest star formation rates of ! 8 M! yr−1, which is nevertheless strong enough to have allowed these galaxies to assemble their stellar mass in less than a few ×106 years.
These sources appear to have small physical sizes, usually smaller than 1 Kpc, and are also rather concentrated.
They are likely to be some of the least massive and youngest high redshift galaxies observed to date.
Subject headings: galaxies: evolution, galaxies: high redshift, galaxies: formation, galaxies: structure, surveys, cosmology
1 Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA
2 Affiliated with the Space Science Telescope Division of the European Space Agency, ESTEC, Noordwijk,
The Netherlands
3 School of Earth and Space Exploration, Arizona State University, Tempe, AZ
4 Shanghai Institute of Technical Physics, 500 Yutian Road, Shanghai, P.R. China 200083
____________________________________________________________
See similar images:
notable bright blue tiny sources on darker 3D fractal web in HUDF VLT ESO
28 images from 506 galaxies, z about 6 , RJ Bouwens, GD Illingworth,
JP Blakeslee, M Franx 2008.02.04 draft 36 page: Rich Murray 2008.08.17
rmforall.blogspot.com/2008_08_01_archive.htm
Sunday, August 17, 2008
groups.yahoo.com/group/AstroDeep/26
groups.yahoo.com/group/rmforall/86
bright blue 1-4 pixel sources on darker 3D fractal web in IR and visible light
HUDF images -- might be the clusters of earliest hypernovae in the
Naoki Yoshida and Lars Hernquist simulation: Rich Murray 2008.07.31
rmforall.blogspot.com/2008_07_01_archive.htm
Thursday, July 31, 2008
groups.yahoo.com/group/AstroDeep/24
groups.yahoo.com/group/rmforall/84
____________________________________________________________
Rich Murray, MA Room For All rmforall@comcast.net
505-501-2298 1943 Otowi Road Santa Fe, New Mexico 87505
groups.yahoo.com/group/rmforall/messages
groups.yahoo.com/group/AstroDeep/messages
____________________________________________________________
#57 astrodeep200407a HUDF, Spitzer #5 5.76z old tiny galaxy 497X493 heic0714aa
Image by rmforall@gmail.com
ubiquitous bright blue 1-12 pixel sources on darker 3D fractal web in five
2007.09.06 IR and visible light HUDF images, Nor Pirzkal, Sangeeta
Malhotra, James E Rhoads, Chun Xu, -- might be clusters of earliest
hypernovae in recent cosmological simulations: Rich Murray 2008.08.17
rmforall.blogspot.com/2008_08_01_archive.htm
Sunday, August 17, 2008
groups.yahoo.com/group/AstroDeep/25
groups.yahoo.com/group/rmforall/85
www.flickr.com/photos/rmforall/1349101458/in/photostream/
The 5 closeups are about 2.2x2.2 arc-seconds wide and high, about 70x70 pixels.
The HUDF is 315x315 arc-seconds, with N at top and E at left.
Each side has 10,500x10,500 pixels at 0.03 arc-second per pixel.
Click on All Sizes and select Original to view the highest resolution image of
3022x2496 pixels, which can be also be conveniently seen directly at their Zoomable image:
www.spacetelescope.org/images/html/zoomable/heic0714a.html
Notable in the deep background of the five closeups are ubiquitous bright blue sources, presumably extremely hot ultraviolet before redshifting, 1 to a dozen or so pixels, as single or short lines of spots, and a few irregular tiny blobs, probably, as predicted in many recent simulations, the earliest massive, short-lived hypernovae, GRBs with jets at various angles to our line of sight, expanding bubbles, earliest molecular and dust clouds with light echoes and bursts of star formation, and first small dwarf galaxies, always associated with a subtle darker 3D random fractal mesh of filaments of H and He atomic gases.
As a scientific layman, I am grateful for specific cogent, civil feedback, based on the details readily visible in images in the public domain.
www.spacetelescope.org/images/html/heic0714a.html
Hubble and Spitzer Uncover Smallest Galaxy Building Blocks
In this image of the Hubble Ultra Deep Field, several objects are identified
as the faintest, most compact galaxies ever observed in the distant
Universe.
They are so far away that we see them as they looked less than one billion
years after the Big Bang.
Blazing with the brilliance of millions of stars, each of the newly
discovered galaxies is a hundred to a thousand times smaller than our Milky
Way Galaxy.
The bottom row of pictures shows several of these clumps (distance expressed
in redshift value).
Three of the galaxies appear to be slightly disrupted.
Rather than being shaped like rounded blobs, they appear stretched into
tadpole-like shapes.
This is a sign that they may be interacting and merging with neighboring
galaxies to form larger structures.
The detection required joint observations between Hubble and NASA's Spitzer
Space Telescope.
Blue light seen by Hubble shows the presence of young stars.
The absence of red light from Spitzer observations conclusively shows that
these are truly young galaxies without an earlier generation of stars.
Credit: NASA, ESA, and N. Pirzkal (European Space Agency/STScI)
Id: heic0714a
Object: HUDF, UDF, Hubble Ultra Deep Field
Type: Cosmology
Instrument: ACS
Width: 2750
Height: 3312
Downloads
Images
www.spacetelescope.org/images/original/heic0714a.tif
Fullsize Original 17.085 MB
www.alternatiff.com/
view with free software AlternaTIFF
alternatiff-1_8_4.exe for Firefox browser
Large JPEG
3,422 KB
Screensize JPEG
387 KB
www.spacetelescope.org/images/html/zoomable/heic0714a.html
Zoomable
Copyright-free material (more info).
www.esa.int/esaSC/SEMCGRMPQ5F_index_1.html
hubblesite.org/newscenter/archive/releases/2007/31
hubblesite.org/newscenter/archive/releases/2007/31/image/
www.spitzer.caltech.edu/
www.spacetelescope.org/news/html/heic0714.html
www.spacetelescope.org/news/text/heic0714.txt
HEIC0714: EMBARGOED UNTIL 18:00 (CEST)/12:00 PM EDT 06 September, 2007
www.spacetelescope.org/news/html/heic0714.html
News release:
Hubble and Spitzer Space Telescopes find “Lego-block” galaxies in early
Universe
06-September 2007 The NASA/ESA Hubble Space Telescope and the NASA
Spitzer Space Telescope have joined forces to discover nine of the
smallest, faintest, most compact galaxies ever observed in the distant
Universe. Blazing with the brilliance of millions of stars, each of the
newly discovered galaxies is a hundred to a thousand times smaller than
our Milky Way Galaxy.
The conventional model for galaxy evolution predicts that small galaxies
in the early Universe evolved into the massive galaxies of today by
coalescing. Nine Lego-like “building block” galaxies initially detected
by Hubble likely contributed to the construction of the Universe as we
know it. “These are among the lowest mass galaxies ever directly
observed in the early Universe” says Nor Pirzkal of the European Space
Agency/STScI.
Pirzkal was surprised to find that the galaxies’ estimated masses were
so small. Hubble’s cousin observatory, NASA’s Spitzer Space Telescope
was called upon to make precise determinations of their masses. The
Spitzer observations confirmed that these galaxies are some of the
smallest building blocks of the Universe.
These young galaxies offer important new insights into the Universe’s
formative years, just one billion years after the Big Bang. Hubble
detected sapphire blue stars residing within the nine pristine galaxies.
The youthful stars are just a few million years old and are in the
process of turning Big Bang elements (hydrogen and helium) into heavier
elements. The stars have probably not yet begun to pollute the
surrounding space with elemental products forged within their cores.
“While blue light seen by Hubble shows the presence of young stars, it
is the absence of infrared light in the sensitive Spitzer images that
was conclusive in showing that these are truly young galaxies without an
earlier generation of stars,” says Sangeeta Malhotra of Arizona State
University in Tempe, USA, one of the investigators.
The galaxies were first identified by James Rhoads of Arizona State
University, USA, and Chun Xu of the Shanghai Institute of Technical
Physics in Shanghai, China. Three of the galaxies appear to be slightly
disrupted -- rather than being shaped like rounded blobs, they appear
stretched into tadpole-like shapes. This is a sign that they may be
interacting and merging with neighbouring galaxies to form larger,
cohesive structures.
The galaxies were observed in the Hubble Ultra Deep Field (HUDF) with
Hubble’s Advanced Camera for Surveys and the Near Infrared Camera and
Multi-Object Spectrometer as well as Spitzer’s Infrared Array Camera and
the European Southern Observatory’s Infrared Spectrometer and Array
Camera. Seeing and analysing such small galaxies at such a great
distance is at the very limit of the capabilities of the most powerful
telescopes. Images taken through different colour filters with the ACS
were supplemented with exposures taken through a so-called grism which
spreads the different colours emitted by the galaxies into short
“trails”. The analysis of these trails allows the detection of emission
from glowing hydrogen gas, giving both the distance and an estimate of
the rate of star formation. These “grism spectra” -- taken with Hubble
and analysed with software developed at the Space Telescope-European
Coordinating Facility in Munich, Germany -- can be obtained for objects
that are significantly fainter than can be studied spectroscopically
with any other current telescope.
# # #
Notes for editors
The Hubble Space Telescope is a project of international cooperation
between ESA and NASA.
Pirzkal’s main collaborators were Malhotra, Rhoads, Xu, and the GRism
ACS Program for Extragalactic Science (GRAPES) team.
Image credit: NASA, ESA and N. Pirzkal (European Space Agency/STScI)
If you wish to no longer receive these News and Photo Releases, please
send an email to distribution@spacetelescope.org with your name.
For more information, please contact:
Nor Pirzkal ;
European Space Agency/Space Telescope Science Institute, Baltimore, USA
Tel: 410-338-4879
Lars Lindberg Christensen ;
Hubble/ESA, Garching, Germany
Tel: +49-(0)89-3200-6306
Cellular: +49-(0)173-3872-621
Ray Villard ;
Space Telescope Science Institute, Baltimore, USA
Tel: +1-410-338-4514
Whitney Clavin
Jet Propulsion Laboratory, Pasadena, USA
Tel: +1-818-354-4673
AST HUDF Spitzer IR 9 galaxies z 4-5.7, N Pirzdal, S Malhotra, JE Rhoads, C Xu, 2007.05.01 28p
www.spacetelescope.org/news/science_paper/0612513.pdf
arXiv:astro-ph/0612513v2 1 May 2007
Optical to mid-IR observations of Lyman-! galaxies at z about 5 in the HUDF: a young and low mass population
N. Pirzkal 1,2,
S. Malhotra 3,
J. E. Rhoads 3,
C. Xu 4
ABSTRACT
High redshift galaxies selected on the basis of their strong Lyman-! emission tend to be young ages and small physical sizes.
We show this by analyzing the spectral energy distribution (SED) of 9 Lyman-! emitting (LAE) galaxies at 4.0 < z < 5.7 in the Hubble Ultra Deep Field (HUDF).
Rest-frame UV to optical 700°A < " < 7500°A luminosities, or upper limits, are used to constrain old stellar populations.
We derive best fit, as well as maximally massive and maximally old, properties of all 9 objects.
We show that these faint and distant objects are all very young, being most likely only a few millions years old, and not massive, the mass in stars being ! 106 − 108 M!.
Deep Spitzer Infrared Array Camera (IRAC) observations of these objects, even in cases where objects were not detected, were crucial in constraining the masses of these objects.
The space density of these objects, ! 1.25× 10−4 Mpc−3 is comparable to previously reported space density of LAEs at moderate to high redshifts.
These Lyman-! galaxies show modest star formation rates of ! 8 M! yr−1, which is nevertheless strong enough to have allowed these galaxies to assemble their stellar mass in less than a few ×106 years.
These sources appear to have small physical sizes, usually smaller than 1 Kpc, and are also rather concentrated.
They are likely to be some of the least massive and youngest high redshift galaxies observed to date.
Subject headings: galaxies: evolution, galaxies: high redshift, galaxies: formation, galaxies: structure, surveys, cosmology
1 Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA
2 Affiliated with the Space Science Telescope Division of the European Space Agency, ESTEC, Noordwijk,
The Netherlands
3 School of Earth and Space Exploration, Arizona State University, Tempe, AZ
4 Shanghai Institute of Technical Physics, 500 Yutian Road, Shanghai, P.R. China 200083
____________________________________________________________
See similar images:
notable bright blue tiny sources on darker 3D fractal web in HUDF VLT ESO
28 images from 506 galaxies, z about 6 , RJ Bouwens, GD Illingworth,
JP Blakeslee, M Franx 2008.02.04 draft 36 page: Rich Murray 2008.08.17
rmforall.blogspot.com/2008_08_01_archive.htm
Sunday, August 17, 2008
groups.yahoo.com/group/AstroDeep/26
groups.yahoo.com/group/rmforall/86
bright blue 1-4 pixel sources on darker 3D fractal web in IR and visible light
HUDF images -- might be the clusters of earliest hypernovae in the
Naoki Yoshida and Lars Hernquist simulation: Rich Murray 2008.07.31
rmforall.blogspot.com/2008_07_01_archive.htm
Thursday, July 31, 2008
groups.yahoo.com/group/AstroDeep/24
groups.yahoo.com/group/rmforall/84
____________________________________________________________
Rich Murray, MA Room For All rmforall@comcast.net
505-501-2298 1943 Otowi Road Santa Fe, New Mexico 87505
groups.yahoo.com/group/rmforall/messages
groups.yahoo.com/group/AstroDeep/messages
____________________________________________________________
Some cool photo sharing images:
The Send Off
Image by daybeezho
Created for Make It Interesting Challenge: San Pietro Colonnato.
Original image from JoesSistah :)
Starring the lovely textures of Skeletal Mess and Andrea Rusky.
Also starring the models of Marcus Ranum and lockstock.
Many thanks for sharing your talents.
text, :) hope u can handle it!
Image by Joshua Daniel O.
press - L - to see it large and on black.
press - F - if you like it :)
Like www.facebook.com/JoshuaOmmenPhotoVideo
Watch my videos here vimeo.com/ommen
www.myspace.com/coachoh
Follow @joshuaommen
joshuaommen.smugmug.com/
Save on a SmugMug subscription with this code DOaFGS8k2DYm2
Join Smugmug to share and MAKE MONEY with your photos!
Early morning sun over Chautauqua Lake, New York, July 2007
Image by Conlawprof
Olympus E-500, Zuiko Digital 11-22mm f/2.8-3.5 lens. Shot using a circular polarizing filter.
Certainly best viewed in the large size.
Sharing Exposures July theme: travel.
