Radial Velocities of Galactic O-type Stars. I. Short-term Constant Velocity Stars

Details Radial Velocities of Galactic O-type Stars. I. Short-term Constant Velocity Stars Radial Velocities of Galactic O-type Stars. I. Short-term Constant Velocity Stars

Nov 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aj....142..146w&link_type=abstract

The Astronomical Journal, Volume 142, Issue 5, article id. 146 (2011).

Astronomy and Astrophysics

Astronomy

Stars: Massive

Scientific paper

We present radial velocities for 18 Galactic O-type stars. These stars display small radial velocity scatter over timescales of one to two weeks. Some of them are long-period binaries while others are probably single stars. By fitting model spectra to our observed spectra we obtain estimates for effective temperature, log g, rotational velocity, and average radial velocity for each target.

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