Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.6306m&link_type=abstract
American Astronomical Society, AAS Meeting #211, #63.06; Bulletin of the American Astronomical Society, Vol. 39, p.854
Astronomy and Astrophysics
Astronomy
Scientific paper
Interferometric imaging is now a reality at CHARA using the recently-commissioned Michigan Infrared Combiner (MIRC) and in this talk I will review recent progress. We have succeeded, for the first time, in imaging the surface of a main sequence star besides the Sun. We focused on the rapid rotator Altair, finding a photosphere stretched by centrifugal distortion and the effect of gravity darkening spread across its equator. In addition to imaging rapid rotators, we are applying this technique to simultaneoulsy image the gas disks in Be stars along with the faint stellar companions implicated in disk formation. Lastly, I will show first results attempting to image the distorted photospheres of stars which are partially-filling their Roche lobes in close binary systems. We acknowledge funding from the National Science Foundation and NASA.
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