Analysis of B and Be Star Populations of the Double Cluster h and χ Persei
A. Marsh, B. Ou-Yang, C. Danly, M.V. McSwain
Department of Physics, Lehigh University, Bethlehem, PA;
and
T. Currie
Harvard-Smithsonian Center for Astrophysics, Cambridge, MA;
Abstract
We present blue optical spectra of 82 members of h and χ Per obtained with the WIYN telescope at Kitt Peak National Observatory. From these spectra several stellar parameters were measured for the B-type stars, including V sin i, Teff, log gpolar, M, and R. Strömgren photometry was used to measure Teff and log gpolar for the Be stars. We also analyze photometric data of cluster members and discuss the near-infrared excesses of the clusters' Be stars.
We would like to thank Lehigh University and Yale University for their support. We are also grateful for National Science Foundation support provided for B. Ou-Yang through REU site grant PHY-0353620 to Lehigh University.
Bio: Amber Marsh is a first year graduate student with the Department of Physics and is perusing a doctoral degree in Astrophysics. She completed her Bachelors of Science in Applied Physics in 2008 at Christopher Newport University in Newport News, VA. Her research on the B and Be star populations of the double clutster h and χ Persei was presented at the 2009 American Astronomical Society conference, and will be presented further at the upcoming International Astronomical Union meeting.
