Document Type
Article
Publication Date
1998
Department 1
Physics
Abstract
We present results of photometric monitoring campaigns of G, K and M dwarfs in the Pleiades carried out in 1994, 1995 and 1996. We have determined rotation periods for 18 stars in this cluster. In this paper, we examine the validity of using observables such as X-ray activity and amplitude of photometric variations as indicators of angular momentum loss. We report the discovery of cool, slow rotators with high amplitudes of variation. This contradicts previous conclusions about the use of amplitudes as an alternate diagnostic of the saturation of angular momentum loss. We show that the X-ray data can be used as observational indicators of mass-dependent saturation in the angular momentum loss proposed on theoretical grounds.
Copyright Note
This is the publisher's version of the work. This publication appears in Gettysburg College's institutional repository by permission of the copyright owner for personal use, not for redistribution.
DOI
10.1086/305173
Recommended Citation
Krishnamurthi, Anita, et al. New Rotation Periods in the Pleiades: Interpreting Activity Indicators. The Astrophysical Journal (1998) 493:914.
Required Publisher's Statement
Original version is available from the publisher at: http://iopscience.iop.org/0004-637X