II* : @ H & > F ( 1 N 2 l ; = A z I 8 |# i \ When one galaxy wont do the trick, perhaps 20,000 will do. In the blue image on the left, 24 micron images of over 20,000 faint, distant galaxies have been added together. None of these galaxies were detectable, alone, at longer wavelengths. The following green and red images show the resulting combined images at 70 microns and 160 microns, respectively, which result in a clear detection of the galaxies in the until-recently unresolved infrared background. D\ N 2 D y ( 8 mH
? ,5 . - ' - ' Adobe Photoshop CS3 Macintosh 2008:11:18 14:25:09 Spitzer Space Telescope
Pasadena
USA
1200 E. California Blvd.
91125
CA
http://www.spitzer.caltech.edu
Spitzer
Spitzer
Spitzer
sig06-008
Good
MIPS
MIPS
MIPS
2012-10-11
1.1
Spitzer Science Center
spitzer
http://www.spitzer.caltech.edu/images/2301-sig06-008-Finding-Faint-Galaxies
sig06-008.tif
http://www.spitzer.caltech.edu/uploaded_files/images/0001/5007/sig06-008.tif
Infrared
Infrared
Infrared
Mid-IR
Far-IR
Far-IR
24000
70000
160000
Blue
Green
Red
Multiple image collage; colors refer to individual panels
D.6.1.3.
Observation
Spitzer Space Telescope
When one galaxy wont do the trick, perhaps 20,000 will do. In the blue image on the left, 24 micron images of over 20,000 faint, distant galaxies have been added together. None of these galaxies were detectable, alone, at longer wavelengths. The following green and red images show the resulting combined images at 70 microns and 160 microns, respectively, which result in a clear detection of the galaxies in the until-recently unresolved infrared background.
Infrared Background
Finding Faint Galaxies
NASA/JPL-Caltech/H. Dole (IAS)
2006-05-10
When one galaxy wont do the trick, perhaps 20,000 will do. Stacking faint galaxies seen at 24 microns (left, blue) allows observers to securely detect "invisible" galaxies at 70 microns (middle, green) and 160 microns (right, red) which are not detected individually.
Spitzer Space Telescope
http://www.spitzer.caltech.edu/info/18-Image-Use-Policy
http://www.spitzer.caltech.edu/Media/mediaimages/copyright.shtml xWhen one galaxy wont do the trick, perhaps 20,000 will do. In the blue image on the left, 24 micron images of over 20,000 faint, distant galaxies have been added together. None of these galaxies were detectable, alone, at longer wavelengths. The following green and red images show the resulting combined images at 70 microns and 160 microns, respectively, which result in a clear detection of the galaxies in the until-recently unresolved infrared background.i When one galaxy wont do the trick, perhaps 20,000 will do. Stacking faint galaxies seen at 24 microns (left, blue) allows observers to securely detect "invisible" galaxies at 70 microns (middle, green) and 160 microns (right, red) which are not detected P Spitzer Space Telescopen NASA/JPL-Caltech/H. Dole (IAS)s Spitzer Space Telescope Finding Faint Galaxies7 20060510 Infrared Backgroundt @http://www.spitzer.caltech.edu/Media/mediaimages/copyright.shtml 8BIM xWhen one galaxy wont do the trick, perhaps 20,000 will do. In the blue image on the left, 24 micron images of over 20,000 faint, distant galaxies have been added together. None of these galaxies were detectable, alone, at longer wavelengths. The following green and red images show the resulting combined images at 70 microns and 160 microns, respectively, which result in a clear detection of the galaxies in the until-recently unresolved infrared background.i When one galaxy wont do the trick, perhaps 20,000 will do. Stacking faint galaxies seen at 24 microns (left, blue) allows observers to securely detect "invisible" galaxies at 70 microns (middle, green) and 160 microns (right, red) which are not detected P Spitzer Space Telescopen NASA/JPL-Caltech/H. Dole (IAS)s Spitzer Space Telescope Finding Faint Galaxies7 20060510 Infrared Backgroundt @http://www.spitzer.caltech.edu/Media/mediaimages/copyright.shtml 8BIM% 0%vfp>Up8BIM
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