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G. T. van Belle (Michelson Science Center - Caltech)
Over the past 5 years, high resolution observations of rapidly rotating stars has become a new cottage industry within the interferometry community. Measurements of the projected shape of these objects upon the sky at milli- to micro-arcsecond precisions has rapidly led to physical insights into the photospheric environment for rapid rotators, including true rotation rates and latitude-dependent temperature gradients. These objects could very well end up being laboratories for direct examination the angular momentum history of stellar evolution, and lead to significant new constraints on stellar modeling. A review of the current collection of published results - including Altair, Regulus, Alderamin and Achernar - will be presented, and prospects for expanded and enhanced efforts in this area will be discussed.
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Bulletin of the American Astronomical Society, 37 #4
© 2005. The American Astronomical Soceity.