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On the Spectrum of Feige 7
Published online by Cambridge University Press: 12 April 2016
Abstract
The Zeeman theory of hydrogen and neutral helium lines is used to analyse the spectrum of the magnetic DBA white dwarf Feige 7. On the assumption of a centered dipole field distribution and a uniform chemical composition, the atmospheric helium to hydrogen ratio by number, , is found to be ~ 102. However, it is argued that either one, or both of these assumptions are likely to be in error.
- Type
- Colloquium Session V
- Information
- International Astronomical Union Colloquium , Volume 53: White Dwarfs and Variable Degenerate Stars , August 1979 , pp. 317 - 321
- Copyright
- Copyright © The University of Rochester 1979