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On the Anomaly of Balmer Line Profiles of A-Type Stars. Fundamental binary systems

Smalley, B; Gardiner, R B; Kupka, F; Bessell, Michael


In previous work, Gardiner et al. (1999) found evidence for a discrepancy between the Teff obtained from Balmer lines with that from photometry and fundamental values for A-type stars. An investigation into this anomaly is presented using Balmer line profiles of stars in binary system with fundamental values of both Teff and log g. A revision of the fundamental parameters for binary systems given by Smalley & Dworetsky (1995) is also presented. The Teff obtained by fitting Hα and Hβ line...[Show more]

CollectionsANU Research Publications
Date published: 2002
Type: Journal article
Source: Astronomy and Astrophysics


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