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The Massive Runaway Stars HD 14633 and HD 15137
T. S. Boyajian, T. D. Beaulieu, D. R. Gies +6
We present results from a radial velocity study of two runaway O-type stars, HD 14633 (ON8.5 V) and HD 15137 (O9.5 III(n)). We find that HD 14633 is a single-lined spectroscopic bi…
A Photometric Technique to Search for Be Stars in Open Clusters
M. Virginia McSwain, Douglas R. Gies
We describe a technique to identify Be stars in open clusters using Stromgren b, y, and narrow-band Halpha photometry. We first identify the B-type stars of the cluster using a the…
Effects of Metallicity on the Rotation Rates of Massive Stars
Laura R. Penny, Amanda J. Sprague, George Seago +1
Recent theoretical predictions for low metallicity massive stars predict that these stars should have drastically reduced equatorial winds (mass loss) while on the main sequence, a…
Hubble Space Telescope Imaging of the WR 38/WR38a Cluster
Debra J. Wallace, Douglas R. Gies, Anthony F. J. Moffat +2
We are conducting a high angular resolution imaging survey of Galactic Wolf-Rayet stars using the Wide Field and Planetary Camera 2 aboard the Hubble Space Telescope. We have found…