Corpus ID: 14820112

Populations of Transient Galactic Bulge X-Ray Sources

  title={Populations of Transient Galactic Bulge X-Ray Sources},
  author={J. Swank and C. Markwardt},
  journal={arXiv: Astrophysics},
  • J. Swank, C. Markwardt
  • Published 2001
  • Physics
  • arXiv: Astrophysics
  • Starting in 1999, the Rossi X-ray Timing Explorer (RXTE) has monitored the central bulge region of the Galaxy with the Proportional Counter Array (PCA), resolving about 50 binary X-ray sources, including 18 sources discovered by RXTE and BeppoSAX. The accretion rates that RXTE observed from these sources ranged from highs approaching Eddington limits to lows that may correspond to mass exchange for a binary period near the minimum of 80 minutes. Several neutron star binaries with low peak… CONTINUE READING
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