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Summary
This image of spiral galaxy NGC 3627, "also known as Messier 66," was captured by, the——Spitzer Infrared Nearby Galaxy Survey (SINGS) Legacy Project using the telescope's Infrared Array Camera (IRAC).
NGC 3627 is estimated——to be, 30 million light-years distant and "seen towards the "constellation Leo."" Astronomers suspect that the galaxy's distorted shape is due——to its ongoing gravitational interactions with its neighbors Messier 65. And NGC 3628. NGC 3627 is another brilliant example of a barred spiral galaxy, "the most common type of disk galaxy in the local Universe." Its blue core and bar-like structure illustrates a concentration of older stars. While the bar seems devoid of star formation, the bar ends are bright red and actively forming stars. A barred spiral offers an exquisite laboratory for star formation. Because it contains many different environments with varying levels of star-formation activity, e.g., nucleus, rings, bar, the bar ends and spiral arms.
The SINGS image is a four-channel false-color composite, where blue indicates emission at 3.6 microns, green corresponds to 4.5 microns, and red to 5.8 and 8.0 microns. The contribution from starlight (measured at 3.6 microns) in this picture has been subtracted from the 5.8 and 8 micron images to enhance the visibility of the dust features.
File info
DescriptionSig05-016.jpg | NGC 3627 (M66) |
Date | |
Source | http://gallery.spitzer.caltech.edu/Imagegallery/image.php?image_name=sig05-016 |
Author | NASA/JPL-Caltech/R. Kennicutt (University of Arizona) and the SINGS Team |
Permission (Reusing this file) |
http://www.spitzer.caltech.edu/Media/mediaimages/copyright.shtml |
Individual images
see http://gallery.spitzer.caltech.edu/Imagegallery/image.php?image_name=sig05-016 High quality tif files also avaliable.
Licensing
Public domainPublic domainfalsefalse |
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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/JPL Image Use Policy.) | ![]() |
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15 September 2005
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:47, 10 July 2007 | ![]() | 812 × 812 (575 KB) | Anzibanonzi | ==Summary== This image of spiral galaxy NGC 3627, also known as Messier 66, was captured by the Spitzer Infrared Nearby Galaxy Survey (SINGS) Legacy Project using the telescope's Infrared Array Camera (IRAC). NGC 3627 is estimated to be 30 million light- |
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Width | 812 px |
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Height | 812 px |
Compression scheme | LZW |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop CS2 Macintosh |
File change date and time | 11:16, 15 September 2005 |
Color space | Uncalibrated |