Title of article :
Analysis of the B and Be-star populations of the double cluster h and χ Persei
Author/Authors :
Amber N. Marsh، نويسنده , , M. Virginia McSwain، نويسنده , , M. Virginia Mc Swain and Thayne Currie، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2009
Abstract :
We present blue optical spectra of 92 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*. Stromgren 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- to mid-infrared excesses of Be stars.
Keywords :
NGC 884) , stars: emissionline , open clusters and associations: individual (NGC 869 , stars: Be
Journal title :
Proceedings of the International Astronomical Union
Journal title :
Proceedings of the International Astronomical Union