File:Sig06-030.jpg
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Original file (2,320 × 2,420 pixels, file size: 2.36 MB, MIME type: image/jpeg)
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Summary
This is a composite image of N49, the brightest supernova remnant in optical light in the Large Magellanic Cloud. The Chandra X-ray image (blue) shows million-degree gas in the center. Much cooler gas at the outer parts of the remnant is seen in the infrared image from Spitzer (red). While astronomers expected that dust particles were generating most of the infrared emission, the study of this object indicates that much of the infrared is instead generated in heated gas.
The unique filamentary structure seen in the optical image by Hubble (white & yellow) has long set N49 apart from other well understood supernova remnants, as most supernova remnants appear roughly circular in visible light. Recent mapping of molecular clouds suggests that this supernova remnant is expanding into a denser region to the southeast, which would cause its asymmetrical appearance. This idea is confirmed by the Chandra data. Although X-rays reveal a round shell of emission, the X-rays also show brightening in the southeast, confirming the idea of colliding material in that area.
File info
DescriptionSig06-030.jpg | Stellar Debris in the Large Magellanic Cloud |
Date | |
Source | http://gallery.spitzer.caltech.edu/Imagegallery/image.php?image_name=sig06-030 |
Author | X-ray: NASA/CXC/Caltech/S.Kulkarni et al.; Optical: NASA/STScI/UIUC/Y.H.Chu & R.Williams et al.; IR: NASA/JPL-Caltech/R.Gehrz et al. |
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=sig06-030 High quality tif files also avaliable.
Licensing
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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Items portrayed in this file
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29 November 2006
image/jpeg
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 20:01, 11 July 2007 | 2,320 × 2,420 (2.36 MB) | Anzibanonzi | ==Summary== This is a composite image of N49, the brightest supernova remnant in optical light in the Large Magellanic Cloud. The Chandra X-ray image (blue) shows million-degree gas in the center. Much cooler gas at the outer parts of the remnant is seen |
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Metadata
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Width | 2,320 px |
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Height | 2,420 px |
Bits per component |
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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 | 10:25, 29 November 2006 |
Color space | Uncalibrated |
Image width | 2,320 px |
Image height | 2,420 px |
Date and time of digitizing | 02:25, 29 November 2006 |
Date metadata was last modified | 02:25, 29 November 2006 |
IIM version | 2 |