The possible black hole binary HD 152667

Details The possible black hole binary HD 152667 The possible black hole binary HD 152667

May 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979mnras.187p..53h&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 187, May 1979, p. 53P-58P.

Astronomy and Astrophysics

Astronomy

10

Astronomical Spectroscopy, Binary Stars, Black Holes (Astronomy), X Ray Sources, Light Curve, Mass Flow, Photometry, Radial Velocity, Stellar Luminosity

Scientific paper

Spectroscopic and photometric data of HD 152667 are reexamined. Previous orbital determinations contain errors, and do not consider the nonisotropic mass flow within the system. The orbit is probably circular, with f(m) = 0.45 plus or minus 0.10 solar masses. The 0.6-day periodicity is seen in all radial velocities, with possible differences between lines. The secondary is surrounded by a large accretion disk with considerable optical luminosity and opacity. Mass exchange appears to occur through a dense stream trailing the X-ray source.

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