Hostname: page-component-cd9895bd7-jn8rn Total loading time: 0 Render date: 2024-12-25T16:46:07.197Z Has data issue: false hasContentIssue false
  • English
  • Français

Rapid Variations of Hα in Be Stars

Published online by Cambridge University Press:  14 August 2015

J. D. R. Bahng
J. D. R. Bahng*
Affiliation:
Astronomy Dept., Northwestern University, Evanston, Ill., U.S.A.
*
∗Visiting Astronomer, Kitt Peak National Observatory and Cerro Tololo Inter-American Observatory, which are operated by the Association of Universities for Research in Astronomy, Inc., under contract with the National Science Foundation.

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.

Photoelectric spectrum scans of Be stars were analysed to study the short-term variations of Hα emission strengths. In ζ Tau, α Col, PP Car, and δ Cen, definite variations of a few percent with time scales of 1 to 3 minutes were found. These variations do not exhibit any periodicity.

Type
Part 1: Observations of Be Stars
Information
Symposium - International Astronomical Union , Volume 70: Be and Shell Stars , 1976 , pp. 41 - 49
Copyright
Copyright © Reidel 1976 

References

Bahng, J. D. R.: 1971, Astrophys. J. 167, L75.CrossRefGoogle Scholar
Bahng, J. D. R.: 1975, Monthly Notices Roy. Astron. Soc. 170, 611.CrossRefGoogle Scholar
Delplace, A. M.: 1970, Astron. Astrophys. 7, 459.Google Scholar
Huang, S.-S.: 1972, Astrophys. J. 171, 549.CrossRefGoogle Scholar
Huang, S.-S.: 1973, Astrophys. J. 183, 541.CrossRefGoogle Scholar
Hutchings, J. B., Auman, J. R., Gower, A. C., and Walker, G. A. H.: 1971, Astrophys. J. 170, L73.CrossRefGoogle Scholar
McBeath, K. B.: 1974, ‘Rapid Variations of Balmer Line Strengths in the Spectra of Be Stars’, .Google Scholar
Marlborough, J. M. and Zamir, M.: 1975, Astrophys. J. 195, 145.CrossRefGoogle Scholar
Mihalas, D.: 1974, Astron. J. 79, 1111.CrossRefGoogle Scholar
Prendergast, K. H. and Spiegel, E. A.: 1973, Comments Astrophys. Space Phys. (Part C) 5, 43.Google Scholar
Sanyal, A.: 1974, Bull. Am. Astron. Soc. 6, 460.Google Scholar