Stellar differential rotation and inclination angle of fast rotating early type stars from spectro-interferometry

Details Stellar differential rotation and inclination angle of fast rotating early type stars from spectro-interferometry Stellar differential rotation and inclination angle of fast rotating early type stars from spectro-interferometry

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004sf2a.conf..285d&link_type=abstract

SF2A-2004: Semaine de l'Astrophysique Francaise, meeting held in Paris, France, June 14-18, 2004. Edited by F. Combes, D. Barret

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

Differential interferometry (DI) combines high spectral and spatial resolutions. It is particularly suited to study large scale motions in stellar atmospheres. In this paper We investigate the use of the DI combined with the Fourier transform to study the latitudinal differential rotation in early type stars with fast rotation. The use of spectral lines sensitive to changes of temperature and surface gravity help to disentangle clearly the differential rotation parameter and the stellar aspect angle.

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