Hostname: page-component-848d4c4894-5nwft Total loading time: 0 Render date: 2024-05-28T05:07:11.698Z Has data issue: false hasContentIssue false
  • English
  • Français

Temperature and brightness variations on Betelgeuse

Published online by Cambridge University Press:  04 August 2017

John E. Gaustad
John E. Gaustad*
Affiliation:
Department of Astronomy Swarthmore College Swarthmore Pennsylvania 19081 U.S.A.

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

Changes in Ti0 band strengths correlate well with the brightness changes of α Orionis, thus supporting the hypothesis of Schwarzschild that the irregular luminosity variations of red giants are due to temperature changes in a few extremely large convective elements on their surface.

Type
III. Spectroscopic Research Programmes
Information
Symposium - International Astronomical Union , Volume 118: Instrumentation and Research Programmes for Small Telescopes , 1986 , pp. 449 - 450
Copyright
Copyright © Reidel 1986 

References

Antia, H.M., Chitre, S.M., and Narasimha, D. 1984, Ap. J. 282, 574.CrossRefGoogle Scholar
Guinan, E.F. 1985, private communication.Google Scholar
Ramsey, L.W. 1981, Astron. J. 86, 557.CrossRefGoogle Scholar
Ridgway, S.T., Joyce, R.R., White, N.M., and Wing, R.F. 1980, Ap. J. 235, 127.Google Scholar
Schwarzschild, M. 1975, Ap. J. 195, 137.Google Scholar
Wing, R.F. 1978, “Spectral Classifications and Color Temperatures for 280 Bright Stars in the Range K4-M8” (unpublished report).Google Scholar