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Spectrum Analysis of the Cool White Dwarfs G 128-7 and G 165-7

Published online by Cambridge University Press:  12 April 2016

R. Wehrse  and
J. Liebert
R. Wehrse
Affiliation:
Institut f. Theoret. Astrophysik, Universität Heidelberg
J. Liebert
Affiliation:
Steward Observatory, University of Arizona

Extract

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The cool white dwarf stars G 128-7 and G 165-7 have a quite different character: While the line spectrum of G 165-7 is the richest of all white dwarfs known, G 128-7 shows only a strong Hα line (Wλ ≈ 5.5 Å) and a much weaker Hβ line (Wλ ≈ 1 Å).

Type
Colloquium Session III
Information
International Astronomical Union Colloquium , Volume 53: White Dwarfs and Variable Degenerate Stars , August 1979 , pp. 184 - 185
Copyright
Copyright © The University of Rochester 1979

References

Greenstein, J. L. 1976a, A. J. 81, 323.Google Scholar
Greenstein, J. L. 1976b, Ap. J. (Letters) 207, L120.Google Scholar
Liebert, J., Angel, J. R. P. and Landstreet, J. D. 1975 Ap. J. (Letters) 202, L139.CrossRefGoogle Scholar
Wehrse, R. 1975, Astron. Ap. 39, 169.Google Scholar
Wehrse, R. 1977, Memorie della Societa Astronomica Italiana 48, 13.Google Scholar