Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...246..919l&link_type=abstract
Astrophysical Journal, Part 1, vol. 246, June 15, 1981, p. 919-934. Research supported by the Fundacao de Amparo a Pesquisa do
Astronomy and Astrophysics
Astrophysics
63
Binary Stars, Circular Polarization, Magnetic Stars, Stellar Spectra, Stellar Spectrophotometry, X Ray Sources, Absorption Spectra, Continuous Radiation, Dwarf Stars, Emission Spectra, Infrared Stars, Line Spectra, Near Infrared Radiation, Polarized Radiation, Radial Velocity, Stellar Magnetic Fields, Stellar Mass Accretion
Scientific paper
A series of spectrophotometric scans obtained with a 4.5 m multiple mirror telescope and a 2.3 m reflector is reported. Broad-band polarimetry obtained with the 2.3 reflector is also discussed. All observations were obtained between 1980 June 15-September 5, during which time the object was apparently in a consistent low state near 15th magnitude. Ultraviolet observations with the International Ultraviolet Explorer satellite were obtained on June 30. Attention is given to the polarized continuum radiation, the emission-line radiation, the secondary star, and the magnetic white dwarf photosphere. Much of the absorption observed in connection with the Zeeman absorption spectrum may be explained by hydrogen in a dominant magnetic field strength near 13 megagauss.
Latham Dave W.
Liebert James
Steiner Joao Evangelista
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