Studies of multiple stellar systems – IV. The triple-lined spectroscopic system Gliese 644

@article{Mazeh2001StudiesOM,
  title={Studies of multiple stellar systems – IV. The triple-lined spectroscopic system Gliese 644},
  author={T. Mazeh and D. Latham and E. Goldberg and G. Torres and R. Stefanik and T. Henry and S. Zucker and O. Gnat and E. Ofek},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2001},
  volume={325},
  pages={343-357}
}
We present a radial velocity study of the triple-lined system Gliese 644 and derive spectroscopic elements for the inner and outer orbits with periods of 2.965 5 and 627 d. We also utilize old visual data, as well as modern speckle and adaptive optics observations, to derive a new astrometric solution for the outer orbit. These two orbits together allow us to derive masses for each of the three components in the system: MA=0.410±0.028 (6.9 per cent), MBa=0.336±0.016 (4.7 per cent), and MBb=0… Expand
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