The ROSAT all-sky survey catalogue of optically bright late-type giants and supergiants
Open Access
- 15 January 1998
- journal article
- Published by EDP Sciences in Astronomy and Astrophysics Supplement Series
- Vol. 127 (2) , 251-255
- https://doi.org/10.1051/aas:1998347
Abstract
We present X-ray data for all late-type (A, F, G, K, M) giants and supergiants (luminosity classes I to III-IV) listed in the Bright Star Catalogue that have been detected in the ROSAT all-sky survey. Altogether, our catalogue contains 450 entries of X-ray emitting evolved late-type stars, which corresponds to an average detection rate of about 11.7 percent. The selection of the sample stars, the data analysis, the criteria for an accepted match between star and X-ray source, and the determination of X-ray fluxes are described.Keywords
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