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| Paper: |
A Search for Be Stars in Open Clusters |
| Volume: |
337, The Nature and Evolution of Disks Around Hot Stars |
| Page: |
270 |
| Authors: |
McSwain, M.V.; Gies, D.R. |
| Abstract: |
Be stars are a class of B stars with circumstellar disks that cause Balmer and other line emission. There are three possible reasons for the rapid rotation of Be stars: they may have been born as rapid rotators, spun up by binary mass transfer, or spun up during the main-sequence evolution of B stars. To test the various formation scenarios, we are conducting a photometric survey of 57 young open clusters (of which 20 are discussed here) to determine their fraction of Be stars relative to B stars as a function of cluster age. Low metallicity and/or high cluster density may also favor Be star formation, and we investigate these possibilities as well. |
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