Radial Velocities of Six OB Stars

Details Radial Velocities of Six OB Stars Radial Velocities of Six OB Stars

2007-06-08

arxiv.org/abs/0706.1221v1

Astronomy and Astrophysics

Astrophysics

Accepted for publication in PASP July 2007 issue

Scientific paper

10.1086/520707

We present new results from a radial velocity study of six bright OB stars with little or no prior measurements. One of these, HD 45314, may be a long-period binary, but the velocity variations of this Be star may be related to changes in its circumstellar disk. Significant velocity variations were also found for HD 60848 (possibly related to nonradial pulsations) and HD 61827 (related to wind variations). The other three targets, HD 46150, HD 54879, and HD 206183, are constant velocity objects, but we note that HD 54879 has H$\alpha$ emission that may originate from a binary companion. We illustrate the average red spectrum of each target.

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