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| Keywords: Aladin2011.03.31-SgrXR-1.png en Sky plot of the X-ray sources within the two error regions for each location of Sagittarius XR-1 The first detection at J2000 0 RA 17h 58m 11 13s Dec -29° 12' 14 9 has a 3° diameter error circle at the east This overlaps the large polygonal error box for the second detection at J2000 0 RA 17h 48m 12 31s Dec -30° 00' 58 6 which trends SE to NW in the sky plot The intense collection of X-ray sources within the polygon of the second detection is a series of deep penetration Chandra X-ray Observatory visibly dark X-ray sources Credit Aladin at SIMBAD Me using Aladin at SIMBAD url http //simbad u-strasbg fr/simbad/ Me and Aladin at SIMBAD 2011-03-31 I sent an email to question simbad u-strasbg fr regarding use of applet Aladin generated sky plots Pierre Fernique astro unistra fr stated There is absolutely no problem to use them for Wikipedia pages A citation of Aladin would be appreciated Legend X - X-ray source red + - HII region red - star red square - nebula LMXB - low-mass X-ray binary XB - X-ray binary gamma - gamma-ray source Nova-like - Nova-like star Seyfert - Seyfert galaxy Cc-zero X-ray astronomy Astronomical diagrams | ||||
