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Pulsation & Long-Periods in Three Nearby M Supergiants

Published online by Cambridge University Press:  12 April 2016

M. A. Smith ,
T. J. Teays ,
L. L. Taylor ,
R. Wasatonic ,
E. F. Guinan  and
S. Baliunas
M. A. Smith
Affiliation:
Computer Sciences Corp., 10000A Aerospace Rd., Lanham MD 20706
T. J. Teays
Affiliation:
Computer Sciences Corp., 10000A Aerospace Rd., Lanham MD 20706
L. L. Taylor
Affiliation:
Computer Sciences Corp., 10000A Aerospace Rd., Lanham MD 20706
R. Wasatonic
Affiliation:
Computer Sciences Corp., 10000A Aerospace Rd., Lanham MD 20706
E. F. Guinan
Affiliation:
Astronomy Dept, Villanova Univ., Villanova, PA 19085
S. Baliunas
Affiliation:
Center for Astrophysics, 60 Garden St., Cambridge, MA 02138

Extract

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We report on pulsational variability found in our decade-long study of UV and optical RV, light, K-line data sets for α Ori, α Sco A, and α Her A. As summarized by Smith et al. (1990), our radial velocities are derived from McMath observations of five metallic lines near Hα plus Hα itself. Optical light curves were obtained by small photometric telescopes, and K-line emissions from the Mt. Wilson K-line project. UV continua at 3000Å and k/h emission indices were obtained with the IUE LWP camera.

Type
Part 2. Poster Papers
Information
International Astronomical Union Colloquium , Volume 155: Astrophysical Applications of Stellar Pulsation , 1995 , pp. 403 - 404
Copyright
Copyright © Astronomical Society of the Pacific 1995

References

Bowen, G. 1992, in: Instabilities in Evolved Supergiants, ed. De Jager, C. (Amsterdam: N. Holland), p. 104 Google Scholar
Dupree, A., et al. 1990, ASP Conf. Series 11, p. 4 Google Scholar
Smith, M.A., Patten, B.M., & Goldberg, L. 1990, AJ, 98, 2233 Google Scholar