File:Cassiopeia A- Chandra Maps Vital Elements in Supernovas (1999-casajph - casa).jpg

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Chandra X-ray image of the supernovas remnant Cassiopeia A (Cas A).

Summary

Description	English: Chandra X-ray image of the supernovas remnant Cassiopeia A (Cas A). The red, green, and blue regions in this Chandra X-ray image of the supernovas remnant Cassiopeia A show where the intensity of low, medium, and high-energy X-rays, respectively, is greatest. The red material on the left outer edge is enriched in iron, whereas the bright greenish white region on the lower left is enriched in silicon and sulfur. In the blue region on the right edge, low and medium energy X-rays have been filtered out by a cloud of dust and gas in the remnant.
Date	21 December 1999 (upload date)
Source	Cassiopeia A: Chandra Maps Vital Elements in Supernovas
Author	NASA/CXC/SAO/Rutgers/J.Hughes
Other versions	TIFF version PDF version JPG version TIFF version
Also Known As InfoField	Cas A
Category InfoField	Supernovas & Supernova Remnants
Color Code InfoField	Intensity: Blue=high-energy; Green=medium energy; Red=low energy
Constellation InfoField	Cassiopeia
Coordinates (J2000) InfoField	RA 23h 23m 26.7s
Distance Estimate InfoField	11,000 light years
Observation Date(s) InfoField	August 19, 1999
Observation ID(s) InfoField	214
Observation Time InfoField	2 hours
Scale InfoField	Image is 8.5 arcmin across.
Instruments InfoField	ACIS

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Image title	The red, green, and blue regions in this Chandra X-ray image of the supernova remnant Cassiopeia A show where the intensity of low, medium, and high energy X rays, respectively, is greatest. The red material on the left outer edge is enriched in iron, whereas the bright greenish white region on the lower left is enriched in silicon and sulfur. In the blue region on the right edge, low and medium energy X rays have been filtered out by a cloud of dust and gas in the remnant.
Author	Chandra X-ray Observatory Center
Credit/Provider	NASA/CXC/SAO/Rutgers/J.Hughes
Headline	A supernova remnant in the constellation Cassiopeia.
Source	Chandra X-ray Observatory
Short title	Chandra Maps Vital Elements in Supernovas
Usage terms	http://chandra.harvard.edu/photo/image_use.html
Date and time of data generation	21 December 1999
Orientation	Normal
Exif version	2.21
Color space	sRGB
Date metadata was last modified	09:43, 20 October 2011
Unique ID of original document	E8E7DCEC97CD5AA184100460364B7115
Keywords	Cassiopeia A
Contact information	cxcpub@cfa.harvard.edu http://chandra.harvard.edu 60 Garden St. Cambridge, MA, 02138 USA 617.496.7941
IIM version	4

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