Imaging and Modeling Rapid Rotators: α Cep and α Oph

Details Imaging and Modeling Rapid Rotators: α Cep and α Oph Imaging and Modeling Rapid Rotators: α Cep and α Oph

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010rmxac..38..117z&link_type=abstract

The Interferometric View on Hot Stars (Eds. Th. Rivinius & M. Curé) Revista Mexicana de Astronomía y Astrofísica (Serie de Confe

Astronomy and Astrophysics

Astronomy

1

Stars: Fundamental Parameters, Stars: Individual ( Α Cep, Α Oph), Techniques: Interferometric

Scientific paper

We present sub-milliarcseond resolution observations of two nearby rapid rotators α Cephei and α Ophiuchi, obtained with the CHARA array. We reconstruct an aperture synthesis image for α Cep. We also construct gravity darkening models for both stars and precisely determine their geometry, polar and equatorial radii and temperatures, as well as their fractional rotation speed.

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