File:Orbit of Sirius A and B (2000-0065-more-2).jpg

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Orbit of Sirius A and B The relative positions of Sirius A (large filled circle) and Sirius B (small filled circle) in the 50 year orbit are shown. Note that north is down, as opposed to up in the Chandra and optical images.

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Description	English: Orbit of Sirius A and B The relative positions of Sirius A (large filled circle) and Sirius B (small filled circle) in the 50 year orbit are shown. Note that north is down, as opposed to up in the Chandra and optical images.
Date	26 September 2000 (upload date)
Source	Orbit of Sirius A and B
Author	(Credit: Burnham's Celestial Handbook, 1978, v1, Robert Burnham, Jr.)
Other versions	TIFF version

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current	16:59, 15 June 2024		504 × 449 (49 KB)	OptimusPrimeBot (talk \| contribs)	#Spacemedia - Upload of https://chandra.si.edu/photo/2000/0065/0065_chart.jpg via Commons:Spacemedia

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Image title	The Chandra X-ray image of Sirius A & B, a double star system located 8.6 light years from Earth, shows a bright source and a dim source. The central bright source is Sirius B, a dense white dwarf star with a surface temperature of about 25,000 degrees Celsius. The dim source (slightly above and to the right of Sirius B) is Sirius A, a normal star more than twice as massive as the Sun. The spoke-like pattern of light is an instrument artifact due to the transmission grating. The white dwarf, Sirius B, has a mass equal to the mass of the Sun packed into a diameter that is 90% that of the Earth. The gravity on the surface of Sirius B is 400,000 times that of Earth!
Author	Chandra X-ray Observatory Center
Copyright holder	http://chandra.harvard.edu/photo/image_use.html
Headline	White dwarf and companion star resolved.
Credit/Provider	NASA/SAO/CXC
Source	Chandra X-ray Observatory
Short title	A Double Star System In The Constellation Canis Major
Usage terms	http://chandra.harvard.edu/photo/image_use.html
Date and time of data generation	26 September 2000
Orientation	Normal
Exif version	2.21
Color space	Uncalibrated
Unique ID of original document	D0342BEB33C4105BF459199335AB5725
Date and time of digitizing	10:46, 12 October 2007
Date metadata was last modified	08:32, 22 August 2012
Keywords	Sirius A&B
Contact information	cxcpub@cfa.harvard.edu http://chandra.harvard.edu/photo/image_use.html 60 Garden St. Cambridge, MA, 02138 USA 617.496.7941
IIM version	4

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