Abstract
view Abstract Citations (9) References (18) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Halpha polarization and line profiles in white dwarfs with strong magnetic fields. Borra, E. F. Abstract Ha circular polarization and intensity profiles in white dwarfs with strong magnetic fields are computed for dipole and dipole-like configurations of the magnetic field. The polar fields vary from 4 x 10 to 108 gauss. The profiles are severely distorted by the strong nonhomogeneous fields. They are strongly dependent on field strength and magnetic geometry. An interesting and potentially very useful feature of the profiles is the appearance of sharp a + (red) components. The wavelength location of those components is fairly insensitive to field strength: either they are not there or they are at the correct wavelength. This makes them useful in identifying Ha in magnetic white dwarfs. The intensity and polarization spectra of known magnetic white dwarfs are examined in the light of the models. Subject headings: line profiles - polarization - stars: magnetic - stars: white dwarfs - Zeeman effect Publication: The Astrophysical Journal Pub Date: November 1976 DOI: 10.1086/154785 Bibcode: 1976ApJ...209..858B full text sources ADS | data products SIMBAD (8)
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