File:NGC4145 Spitzer.jpg
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Summary
[edit]DescriptionNGC4145 Spitzer.jpg |
English: Galaxy NGC 4145
Polski: Galaktyka NGC 4145 |
Date | |
Source | http://www.nasa.gov/mission_pages/spitzer/multimedia/spitzer-20090805.html |
Author | NASA |
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[edit]Public domainPublic domainfalsefalse |
This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
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current | 16:55, 27 September 2009 | 1,064 × 1,064 (495 KB) | John Belushi (talk | contribs) | {{Information |Description={{en|1=Galaxy NGC 4145}} {{pl|1=Galaktyka NGC 4145}} |Source=http://www.nasa.gov/mission_pages/spitzer/multimedia/spitzer-20090805.html |Author=NASA |Date=2009-05-08 |Permission= |other_versions= }} Category:Galaxies |
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Image title | This infrared picture shows a relatively calm galaxy called NGC 4145. This galaxy has already made most of its stars and has little star-forming activity. It is located 68 million light-years away in the constellation Canes Venatici. Blue shows starlight and dust.
This image is one of the first to be taken during Spitzer's warm mission -- a new phase that began after the telescope, which operated for more than five-and-a-half years, ran out of liquid coolant. The picture was snapped with the two infrared channels that still work at Spitzer's still-quite-chilly temperature of 30 Kelvin (about minus 406 Fahrenheit). The two infrared channels are part of Spitzer's infrared array camera: 3.6-micron light is blue and 4.5-micron light is orange. This picture was taken while the telescope was being re-commissioned, on July 18. |
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Width | 1,064 px |
Height | 1,064 px |
Compression scheme | LZW |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop CS3 Macintosh |
File change date and time | 12:32, 4 August 2009 |
Color space | Uncalibrated |