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Issue A&A
Volume 395, Number 1, November III 2002
Page(s) 97 - 98
Section Formation, structure and evolution of stars
DOI http://dx.doi.org/10.1051/0004-6361:20021214



A&A 395, 97-98 (2002)
DOI: 10.1051/0004-6361:20021214

A catalog of rotational and radial velocities for evolved stars

II. Ib supergiant stars
J. R. De Medeiros1, S. Udry2, G. Burki2 and M. Mayor2

1  Departamento de Física, Universidade Federal do Rio Grande do Norte Campus Universitário, 59072-970, Natal, RN, Brasil
2  Observatoire de Genève, 51 chemin des Maillettes, 1290 Sauverny, Switzerland

(Received 9 July 2002 / Accepted 12 July 2002 )

Abstract
Rotational velocity $v\sin i$ and mean radial velocity are presented for a sample of 231 Ib supergiant stars covering the spectral region F, G and K. This work is the second part of the large survey carried out with the CORAVEL spectrometer to establish the behavior of the rotation for stars evolving off the main sequence (De Medeiros & Mayor 1999). These data will add constraints to the study of the rotational behavior in evolved stars, as well as solid information concerning tidal interactions in binary systems and on the link between rotation, chemical abundance and activity in stars of intermediate masses.


Key words: stars: supergiant -- stars: late-type -- stars: rotation -- techniques: radial velocities -- catalogs

Offprint request: J. R. De Medeiros, renan@dfte.ufrn.br


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