The X-Ray Sources of M31

  • Ginevra Trinchieri
Conference paper
Part of the Astrophysics and Space Science Library book series (ASSL, volume 160)

Abstract

The well determined distance to M31 provides a unique opportunity to study galactic x-ray sources in a spiral system at a well known distance, without the uncertainty on the luminosity inherent to the study of x-ray sources in our own Galaxy. M31 was extensively mapped with both imaging instruments on board the Einstein satellite. Preliminary results were presented earlier (cf. Long and Van Speybroeck 1983, and references therein), and a list of possible identifications of sources outside the very confused region around the nucleus was given by Crampton et al. (1984). I am reporting the main results obtained so far from the ongoing careful analysis of the x-ray observations.

Keywords

Globular Cluster Disk Region Luminosity Distribution Hydrogen Column Density Spiral System 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. Ciardullo, R. et al 1988, A. J, 95, 438.ADSCrossRefGoogle Scholar
  2. Crampton, D., et al. 1984, Ap. J, 284, 663.ADSCrossRefGoogle Scholar
  3. Fabbiano, G., Trinchieri, G., and VanSpeybroeck, L.P. 1987, Ap. J, 316, 127.ADSCrossRefGoogle Scholar
  4. Long, K., and VanSpeybroeck, L.P. 1983, Accretion Driven Stellar X-Ray Sources, W.H.G. Lewin and P.J. Van Den Heuvel eds ( Cambridge Univ. Press ) p. 117.Google Scholar
  5. VanSpeybroeck, L., et al. 1979, Ap. J. (Lett), 234, L45.ADSCrossRefGoogle Scholar

Copyright information

© Kluwer Academic Publishers 1990

Authors and Affiliations

  • Ginevra Trinchieri
    • 1
    • 2
  1. 1.Smithsonian Astrophysical ObservatoryCambridgeUSA
  2. 2.Osservatorio Astrofisico di ArcetriFirenzeItaly

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