File:Spectra of Neon Lines in 44i Boo (2001-0176-more-2).jpg

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Spectra of Neon Lines in 44i Boo These spectra show the relative abundances of neon lines in the binary star system known as 44i Boo.

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Description	English: Spectra of Neon Lines in 44i Boo These spectra show the relative abundances of neon lines in the binary star system known as 44i Boo.
Date	21 November 2001 (upload date)
Source	Spectra of Neon Lines in 44i Boo
Author	(Credit: CXC/N. Brickhouse et al.)
Other versions	TIFF version

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	22:41, 16 November 2024		333 × 415 (49 KB)	OptimusPrimeBot (talk \| contribs)	#Spacemedia - Upload of https://chandra.si.edu/photo/2001/0176/0176_spectra1.jpg via Commons:Spacemedia

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File:Spectra of Neon Lines in 44i Boo (2001-0176-more-2).tiff

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Image title	The blue spheres are an artist's conception of two closely orbiting stars known as 44i Bootis. The stars pass in front of one another every three hours. The red arrow in the illustration indicates the direction that the stars are orbiting. Chandra's data on the Neon X-ray emission from the stars is depicted on the plots to the right. The 4 panels show the shift in the wavelength at which the emission peaks as the stars orbit one another. By using the Doppler effect the same process that causes the wavelength of an ambulance's siren to shift up and down as the ambulance approaches and recedes astronomers were able to pinpoint the location of the source of most of the X-rays. To their surprise, they found that the stars produce most of the X-rays from near their poles. In contrast, the active X-ray regions on the Sun tend to be near the equator.
Author	Chandra X-ray Observatory Center
Source	Chandra X-ray Observatory
Headline	This artist's conception depicts the two closely orbiting stars of 44i Bootis.
Credit/Provider	NASA/CXC/M.Weiss
Short title	The Terrible Twos: What Might Happen If Our Sun Had A Twin
Usage terms	http://chandra.harvard.edu/photo/image_use.html
Date and time of data generation	21 November 2001
Orientation	Normal
Exif version	2.21
Color space	Uncalibrated
Date metadata was last modified	11:16, 5 September 2013
Unique ID of original document	9D72BA3430983B9BA9DB7FA6FCF05F89
Keywords	44i Bootis
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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File:Spectra of Neon Lines in 44i Boo (2001-0176-more-2).jpg

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Chandra X-ray Observatory

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high Earth orbit

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21 November 2001

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