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A Rotational Period Study of a Large Sample of Pre-Main Sequence stars in NGC 2264

Published online by Cambridge University Press:  26 May 2016

M. Lamm ,
C.A.L. Bailer-Jones ,
R. Mundt  and
W. Herbst
M. Lamm
Affiliation:
MPI für Astronomie, Königstuhl 17, 69117 Heidelberg, Germany
C.A.L. Bailer-Jones
Affiliation:
MPI für Astronomie, Königstuhl 17, 69117 Heidelberg, Germany
R. Mundt
Affiliation:
MPI für Astronomie, Königstuhl 17, 69117 Heidelberg, Germany
W. Herbst
Affiliation:
Van Vleck Obs., Wesleyan U., Middletown, CT 06459, USA

Abstract

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We present the results of a photometric monitoring program of pre-main sequence (PMS) stars in the young (2-4 Myr) open cluster NGC 2264 (d=700 pc). We find that the rotation periods are mass dependent and show a bimodal distribution for higher mass stars with M ≳ 0.3 M⊙ and a unimodal distribution for lower mass stars with M ≲ 0.3 M⊙.

Type
Session 1 Observations of Rotating Stars
Information
Symposium - International Astronomical Union , Volume 215: Stellar Rotation , 2004 , pp. 125 - 126
Copyright
Copyright © Astronomical Society of the Pacific 2004 

References

Herbst, W., Bailer-Jones, C. A. L., Mundt, R. 2001, ApJ 554, L197 Google Scholar
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