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The RV Variability of Yellow Giants

Published online by Cambridge University Press:  15 February 2018

A.M. Larson ,
A.W. Irwin ,
S.L.S. Yang ,
C. Goodenough ,
G.A.H. Walker ,
D.A. Bohlender  and
A.R. Walker
A.M. Larson
Affiliation:
University of Victoria, Canada
A.W. Irwin
Affiliation:
University of Victoria, Canada
S.L.S. Yang
Affiliation:
University of Victoria, Canada
C. Goodenough
Affiliation:
University of Victoria, Canada
G.A.H. Walker
Affiliation:
University of British Columbia, Canada
D.A. Bohlender
Affiliation:
University of British Columbia, Canada
A.R. Walker
Affiliation:
University of British Columbia, Canada

Abstract

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The hydrogen fluoride (HF) absorption cell technique has been used at the Canada-France-Hawaii Telescope for over a decade to monitor the radial velocity variability of nearby, solar-type stars in a search for substellar companions. As a complement to this program, we have also been monitoring a select group of G and K subgiants, giants and supergiants, which have all proved variable. We present here a brief summary of our analysis.

Type
Windows on the Instability Strip
Information
International Astronomical Union Colloquium , Volume 139: New Perspectives on Stellar Pulsation and Pulsating Variable Stars , 1993 , pp. 384
Copyright
Copyright © Cambridge University Press 1993

References

Walker, G.A.H., Yang, S., Campbell, B., Irwin, A.W., 1989, ApJ, 343, L21 Google Scholar
Yang, S., Larson, A.M., Irwin, A.W., Goodenough, C., Walker, G.A.H., Walker, A.R., Bohlender, D. 1992, these ProceedingsGoogle Scholar