... The Galaxy Gallery: Messier Objects . Charles Messier's Catalogue of Nebulae and Star Clusters . THE MESSIER CATALOG . ... The Galaxy Gallery: Messier Objects . Charles Messier's Catalogue of Nebulae and Star Clusters . THE MESSIER CATALOG . ...
... in the Galactic disk and in globular clusters; compact X-ray sources in supernova ... low-luminosity X-ray sources in globular clusters», A&A 368, 137 (astro-ph/0012261 ...