A Closer Look at the Soft X-Ray Transient X1608-52: Long-Term Optical and X-Ray Observations

@article{Wachter2002ACL,
  title={A Closer Look at the Soft X-Ray Transient X1608-52: Long-Term Optical and X-Ray Observations},
  author={S. Wachter and D. Hoard and C. Bailyn and S. Corbel and P. K. Ctio and Y. University and Service d'Astrophysique Cea Saclay and Harvard-Smithsonian Center for Astrophysics},
  journal={The Astrophysical Journal},
  year={2002},
  volume={568},
  pages={901-911}
}
  • S. Wachter, D. Hoard, +5 authors Harvard-Smithsonian Center for Astrophysics
  • Published 2002
  • Physics
  • The Astrophysical Journal
  • We report long-term simultaneous optical and (RXTE) X-ray observations of the soft X-ray transient and low-mass X-ray binary X1608-52 spanning from 1999 to 2001. In addition to the usual X-ray outburst and quiescent states, X1608-52 also exhibits an extended low-intensity state, during which the optical counterpart, QX Nor, is found to be about 2 mag brighter than during quiescence. We detect optical photometric variability on a possible period of 0.5370 days with a semiamplitude of ~0.27 mag… CONTINUE READING
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