A Photometric Search for Be Stars in Open Clusters

Details A Photometric Search for Be Stars in Open Clusters A Photometric Search for Be Stars in Open Clusters

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...205.1301m&link_type=abstract

American Astronomical Society Meeting 205, #13.01; Bulletin of the American Astronomical Society, Vol. 36, p.1358

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Scientific paper

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 have conducted a photometric survey of 57 young open clusters 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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