A NEW DYNAMICAL MODEL FOR THE BLACK HOLE BINARY LMC X-1

@article{Orosz2009AND,
  title={A NEW DYNAMICAL MODEL FOR THE BLACK HOLE BINARY LMC X-1},
  author={Jerome A. Orosz and D Steeghs and Jeffrey E. McClintock and Manuel A P Torres and I. A. Bochkov and Lijun Gou and Ramesh Narayan and Michael G. Blaschak and Alan M. Levine and Ronald A. Remillard and Charles D. Bailyn and Morgan Dwyer and Michelle M. Buxton},
  journal={The Astrophysical Journal},
  year={2009},
  volume={697},
  pages={573 - 591}
}
We present a dynamical model of the high mass X-ray binary LMC X-1 based on high-resolution optical spectroscopy and extensive optical and near-infrared photometry. From our new optical data we find an orbital period of P = 3.90917 ± 0.00005 days. We present a refined analysis of the All Sky Monitor data from RXTE and find an X-ray period of P = 3.9094 ± 0.0008 days, which is consistent with the optical period. A simple model of Thomson scattering in the stellar wind can account for the… 
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