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The Wilson-Bappu Effect for MG II K-Line Emission Widths

Published online by Cambridge University Press:  04 August 2017

M. Parthasarathy*
Affiliation:
Indian Institute of Astrophysics

Abstract

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The existence of a tight linear correlation between the stellar absolute magnitude Mv and the Mg II k-line emission width log WMg II k (kms−1) is confirmed using IUE high-resolution (0.2A) data for 100 late-type stars. A least-squares fit to the data gives the relation:

Type
Research Article
Copyright
Copyright © Reidel 1985 

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