Other
Scientific paper
Dec 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aspc..343..288w&link_type=abstract
Astronomical Polarimetry: Current Status and Future Directions ASP Conference Series, Vol. 343, Proceedings of the Conference he
Other
Scientific paper
Classical Be stars are rapidly rotating near main-sequence B-type stars which have gaseous circumstellar disks. Our understanding of these stars is incomplete, especially as regards two fundamental questions: 1) Is the Be phenomenon an evolutionary effect? and 2) What role does metallicity play in the formation of Be circumstellar disks? 2-color diagram photometric techniques have been used to determine the frequency of candidate Be stars in clusters of various ages and metallicities; however, these techniques classify all B-type objects with excess Hα emission as classical Be stars, without accounting for the likelihood that other B-type stars, such as post main-sequence
B[e] stars, young stellar objects, and B-supergiants, may also exhibit Hα emission. We discuss how imaging polarimetry can be used to aid in the identification of the true classical Be stars in these clusters.
Bjorkman Karen S.
Magalhaes Antonio Mario
Wisniewski John P.
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