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Interpretation of the Minkowski bands in Grw + 70 deg 8247.Demonstration on the basis of the spectral structure of circular polarization in Grw + 70 deg 8247, that the absorption bands are at least in part molecular in origin. The spectrum of molecular helium has strong bands coincident with several of the Minkowski bands and, in particular, at high temperature shows a strong band head at about 4125 A. Helium molecules could be formed in sufficient density to give the absorption features in the star if it has a pure helium atmosphere. The Zeeman effect in molecular helium can explain in general the observed spectral features in the polarization and also may be responsible for the continuum polarization.
Document ID
19720031702
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Angel, J. R. P.
Date Acquired
August 6, 2013
Publication Date
January 1, 1972
Publication Information
Publication: Astrophysical Journal
Volume: 171
Subject Category
Space Sciences
Accession Number
72A15368
Funding Number(s)
CONTRACT_GRANT: NGL-33-008-012
CONTRACT_GRANT: NGR-33-008-102
Distribution Limits
Public
Copyright
Other

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