Bulge X-ray sources and Novae in M31

Details Bulge X-ray sources and Novae in M31 Bulge X-ray sources and Novae in M31

Sep 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...113..328v&link_type=abstract

Astronomy and Astrophysics, vol. 113, no. 2, Sept. 1982, p. 328-335. Research supported by the Hollandsche Maatschappij der Wet

Astronomy and Astrophysics

Astrophysics

17

Andromeda Galaxy, Binary Stars, Galactic Structure, Novae, X Ray Sources, Brightness Distribution, Elliptical Galaxies, Globular Clusters, Milky Way Galaxy, Star Distribution, Stellar Evolution, Stellar Luminosity, Stellar Mass Ejection

Scientific paper

The number of bulge X-ray sources per unit mass in M31 and in the galaxy is compared, as is the distribution of M31 field bulge X-ray sources to that of novae in the bulge of M31. It is assumed that the surface brightness distribution in the bulge reflects the mass surface density distribution. Some properties of globular X-ray sources are discussed, and the possibility that part of the field bulge sources in M31 are located in unidentified globular clusters is examined. Possible explanations for the observed luminosity characteristics of the sources are considered. Implications of the results for the formation mechanism of field bulge X-ray sources are discussed. An interpretation of the observed deficiency of novae in the central region of M31 with respect to both the bulge X-ray sources and the surface brightness distribution is given.

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