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Angular momentum evolution in M67

Published online by Cambridge University Press:  26 May 2016

C. Melo ,
L. Pasquini  and
J.R. de Medeiros
C. Melo
Affiliation:
ESO, Casilla 19001, Santiago 19, Chile, cmelo@eso.org
L. Pasquini
Affiliation:
ESO, Karl-Schwarzschild-Strasse 2, 85748 Garching bei Mnchen, Germany, lpasquin@eso.org
J.R. de Medeiros
Affiliation:
Departamento de Física Teórica e Experimental – UFRN, Brazil, renan@dfte.ufrn.br

Abstract

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We present nearly 70 new observations for M67 members at the main-sequence (MS), turn-off (TO) and post-turn-off (PTO) in addition to those already published in Melo, Pasquini & De Medeiros (2001). These additional v sin i measurements confirm that most of stars are experiencing a strong braking as they pass the turn-off. In contrast to our previous results, some spread in the v sin i is observed among the TO and PTO stars.

Type
Session 4 Rotation and Stellar Evolution
Information
Symposium - International Astronomical Union , Volume 215: Stellar Rotation , 2004 , pp. 455 - 456
Copyright
Copyright © Astronomical Society of the Pacific 2004 

References

Bouvier, J., Forestini, , Allain, S. 1997, A&A 326, 1023 Google Scholar
Chaname, J., Pinsonneault, M., Terndrup, D. 2003, this volume Google Scholar
Melo, C., Pasquini, L., De Medeiros, J.R. 2001, A&A 375, 851 Google Scholar