File:Hubble Space Telescope Image of central region of M15 (2001-m15-more-2).jpg

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Hubble Space Telescope Image of central region of M15 This Hubble "Wide Field Planetary Camera 2" image reveals the central region of the globular cluster M15. Here we see the core, with about a thousand stars confined within the innermost 1.

Summary

Description	English: Hubble Space Telescope Image of central region of M15 This Hubble "Wide Field Planetary Camera 2" image reveals the central region of the globular cluster M15. Here we see the core, with about a thousand stars confined within the innermost 1.6 light years of the cluster. Images in ultraviolet, blue, and visual light were combined for this picture so that the colors roughly correspond to the surface temperatures of stars in M15. Hot stars appear blue, while cooler stars appear reddish-orange.
Date	6 September 2001 (upload date)
Source	Hubble Space Telescope Image of central region of M15
Author	(Credit:NASA/HST -- P. Guhathakurta (UCO/Lick Observatory, UC Santa Cruz), B. Yanny (Fermi National Accelerator Lab), D. Schneider (Pennsylvania State Univ.), J. Bahcall (Inst. for Advanced Study))
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	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	20:25, 9 November 2024		450 × 449 (73 KB)	OptimusPrimeBot (talk \| contribs)	#Spacemedia - Upload of https://chandra.si.edu/photo/2001/m15/m15_optical_plain.jpg via Commons:Spacemedia

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This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.

Image title	The Chandra X-ray Observatory image of a previously identified neutron star binary system in the globular cluster M15, revealed not one binary system, but two appearing in close proximity. In the neutron star binary system on the left source (left) the neutron star is hidden by an accretion disk of hot matter swirling onto it from its companion star. The second neutron star binary system (right) undergoes occasional X-ray outbursts that reveal the surface of the neutron star. This is the first time that more than one neutron star binary system has been observed in a globular cluster.
Author	Chandra X-ray Observatory Center
Copyright holder	http://chandra.harvard.edu/photo/image_use.html
Short title	Two X-ray Binary Systems in the Globular Cluster M15
Date and time of data generation	6 September 2001
Headline	Chandra's image of a X-ray source in the globular star cluster M15 shows that it is not one neutron star binary system, but two neutron star binary systems.
Credit/Provider	NASA/GSFC/N.White, L.Angelini
Source	Chandra X-ray Observatory
Usage terms	http://chandra.harvard.edu/photo/image_use.html
Orientation	Normal
Horizontal resolution	100 dpc
Vertical resolution	100 dpc
IIM version	2
Keywords	M15 NGC7078
Color space	sRGB
Image height	449 px
Image width	450 px
Exif version	2.21
Number of components	3
Pixel composition	RGB
Height	449 px
Width	450 px
Bits per component	8 8 8
Date metadata was last modified	05:20, 28 July 2011
Date and time of digitizing	07:48, 12 October 2007
Contact information	cxcpub@cfa.harvard.edu http://chandra.harvard.edu 60 Garden St. Cambridge, MA, 02138 USA 617.496.7941

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