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Variable K-TYPE Stars in the Pleiades

Published online by Cambridge University Press:  12 April 2016

Floor van Leeuwen  and
Peter Alphenaar
Floor van Leeuwen
Affiliation:
Royal Greenwich Observatory, UK
Peter Alphenaar
Affiliation:
Leiden Observatory, Netherlands

Extract

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Photometric observations in the VBLUW system (Lub, 1979) have been performed during 1980 and 1981 of 19 late G and early Ktype members of the Pleiades Cluster, in order to study their variability. All stars showed variations with amplitudes of 0.02 to 0.20 magn. in V. For 12 stars lightcurves were obtained which show periods that range from 0.24 to 1.22 days. The light curves are semi-regular and resemble those of BY Dra stars, although the periods are shorter.

Type
Session II: Observed Activity in Red-Dwarfs
Information
International Astronomical Union Colloquium , Volume 71: Activity in Red-Dwarf Stars , 1983 , pp. 189 - 193
Copyright
Copyright © Reidel 1983

References

Golay, M. and Mauron, N., 1982: Astron. Astroph. Suppl. Ser. 47, 547.Google Scholar
Lub, J., 1979: ESO Messenger 19, 1.Google Scholar
McNally, D., 1965: The Observatory 85, 166.Google Scholar
Van Leeuwen, F. and Alphenaar, P. 1982: ESO Messenger 28, 15.Google Scholar