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Equivalent Width of Hα in Late-Type Stars

Weistrop, Donna (1967) Equivalent Width of Hα in Late-Type Stars. Publications of the Astronomical Society of the Pacific, 79 (471). pp. 546-550. ISSN 0004-6280. https://resolver.caltech.edu/CaltechAUTHORS:20190918-133847483

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Abstract

The use of the equivalent width of Ha as a luminosity criterion for late-type stars is investigated. The method is found to be no more accurate than MK luminosity classifications. Two spectrograms are presented which indicate a change in the Ha equivalent width in 22 Vul over a three-year period.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1086/128551DOIArticle
Alternate Title:Equivalent Width of H-Alpha in Late-Type Stars
Additional Information:© 1967. The Astronomical Society of the Pacific. Received August 8, 1967. I am indebted to Dr. R. P. Kraft for the use of the spectrograms taken by him in 1963.
Issue or Number:471
Record Number:CaltechAUTHORS:20190918-133847483
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20190918-133847483
Official Citation:Donna Weistrop 1967 PASP 79 546
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:98737
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:19 Sep 2019 14:58
Last Modified:03 Oct 2019 21:43

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