Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...246l..21p&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 246, no. 1, June 1991, p. L21-L23.
Astronomy and Astrophysics
Astronomy
36
Globular Clusters, Rosat Mission, Stellar Luminosity, X Ray Binaries, X Ray Sources, Proportional Counters, Spaceborne Astronomy, X Ray Telescopes
Scientific paper
Two previously unknown X-ray sources in the globular clusters Ter 6 and NGC 6652 have been detected by Rosat. The source in Ter 6 has a luminosity between 0.5 and 2.0 keV of about 2.9 x 10 to the 36th erg/s. The source in NGC 6652 has a luminosity about 7.6 x 10 to the 35th erg/s. Both sources are brighter than previous detection limits. These discoveries add two to the small number of known bright X-ray sources in globular clusters. The presence of bright X-ray sources in Ter 6 and NGC 6652 is compatible with the idea that such sources are formed via 2-body tidal capture.
Hasinger Guenter
Predehl Peter
Verbunt Frank
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