Precise Redetermination of Projected Rotational Velocities among A-type Stars

Details Precise Redetermination of Projected Rotational Velocities among A-type Stars Precise Redetermination of Projected Rotational Velocities among A-type Stars

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009rmxac..35q.301l&link_type=abstract

XII Latin American IAU Regional Meeting (Eds. G. Magris, G. Bruzual, & L. Carigi) Revista Mexicana de Astronomía y Astrofísica (

Astronomy and Astrophysics

Astronomy

Scientific paper

We have obtained echelle spectra of all southern A type stars from the Bright Star Catalogue with a resolution of 0.04Å. More than 1,200 spectra were taken. We have review the different methods to derive vsini. We have discussed the systematic effects involved. We selected a Fourier transform-based method to derive vsini in the present redetermination. A statistical analysis will follow.

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