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The Puzzling K and Early-M Giants: A Summary of Precise Radial Velocity Results for 15 Stars

Published online by Cambridge University Press:  12 April 2016

Ana M. Larson ,
Stephenson L. S. Yang  and
Gordon A. H. Walker
Ana M. Larson
Affiliation:
Department of Astronomy, University of Washington, Box 351580, Seattle, WA 98195
Stephenson L. S. Yang
Affiliation:
Department of Physics and Astronomy, University of Victoria, P.O. Box 3055, Victoria, B.C. V8W 3P6, Canada
Gordon A. H. Walker
Affiliation:
Department of Geophysics and Astronomy, University of British Columbia, Vancouver, B.C. V6T 1Z4, Canada

Abstract

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Nearly a decade ago, “yellow giants” were introduced as a new class of low-amplitude radial-velocity variable stars. In this report we discuss new results for 12 spectral type K and early-M giants based on long-term monitoring using both the hydrogen-fluoride and iodine-cell techniques. We compare these results with those of published data for 3 additional stars (ϒ Cephei, β Geminorum, and β Ophiuchi), and discuss possible implications for the underlying physical mechanism(s).

Type
Part 5. Variable Stars
Information
International Astronomical Union Colloquium , Volume 170: Precise Stellar Radial Velocities , 1999 , pp. 193 - 203
Copyright
Copyright © Astronomical Society of the Pacific 1999

References

Butler, R.P., Mary, G.W., Williams, E., McCarthy, C., & Vogt, S.S. 1996, PASP, 108, 500 CrossRefGoogle Scholar
Campbell, B., & Walker, G.A.H. 1979, PASP, 91, 540 CrossRefGoogle Scholar
Campbell, B., Walker, G.A.H., Pritchet, C., & Long, B. 1986, in Astrophysics of Brown Dwarfs Kafatos, M.C., Harrington, R.S., & Maran, S.P., Cambridge: Cambridge University Press, 37 Google Scholar
Cox, J.P., King, D.S., & Stellingwerf, R.F. 1972, ApJ, 171, 93 CrossRefGoogle Scholar
Hatzes, A.P., & Cochran, W.D. 1993, ApJ, 413, 339 (HC93)CrossRefGoogle Scholar
Hatzes, A.P., & Cochran, W.D. 1996, ApJ, 468, 391 (HC96)CrossRefGoogle Scholar
Hatzes, A.P., & Cochran, W.D. 1998, MNRAS, 293, 469 (HC98)CrossRefGoogle Scholar
Horner, S.D. 1996, ApJ, 460, 449 CrossRefGoogle Scholar
Irwin, A.W., Campbell, B., Morbey, C.L., Walker, G.A.H., & Yang, S.L.S. 1989, PASP, 101, 147 CrossRefGoogle Scholar
Irwin, A.W., VandenBerg, D.A., & Larson, A.M. 1999, these ProceedingsGoogle Scholar
Larson, A.M., Irwin, A.W., Yang, S.L.S., Goodenough, C., Walker, G.A.H., Walker, A.R., & Bohlender, D.A. 1993a, PASP, 105, 332 CrossRefGoogle Scholar
Larson, A.M., Irwin, A.W., Yang, S.L.S., Goodenough, C., Walker, G.A.H., Walker, A.R., & Bohlender, D.A. 1993b, PASP, 105, 825 CrossRefGoogle Scholar
Larson, A.M. 1996, PhD Thesis, University of Victoria Google Scholar
Merline, W.J. 1999, these ProceedingsGoogle Scholar
Noyes, R., Korzennik, S., Nisenson, P., Jha, S., Krockenberger, M., Brown, T., Kennelly, T., Rowland, C., & Horner, S. 1996, IAU Circ. No. 6316 Google Scholar
Rao, L.M., Baliunas, S.L., Robinson, C.R., Frazer, J., Woodard, L., & Donahue, R.A. 1993, in Luminous High-Latitude Stars (ASP Conf. Ser., 45), Sasselov, D.D., San Francisco: Astron. Soc. Pacific, 300 Google Scholar
Walker, G.A.H., Yang, S., Campbell, B., & Irwin, A.W. 1989, ApJ, 343, L21 CrossRefGoogle Scholar
Walker, G.A.H., Bohlender, D.A., Walker, A.R., Irwin, A.W., Yang, S.L.S., & Larson, A. 1992, ApJ, 396, L91 CrossRefGoogle Scholar
Walker, G.A.H., Walker, A.R., Irwin, A.W., Larson, A.M., Yang, S.L.S., & Richardson, D. 1995, Icarus, 116, 359 CrossRefGoogle Scholar
Yang, S.L.S., Walker, G.A.H., & Larson, A.M. 1999, these ProceedingsGoogle Scholar