Abstract
view Abstract Citations (30) References (17) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Infrared light variations of Wolf-Rayet stars. Hackwell, J. A. ; Gehrz, R. D. ; Smith, J. R. ; Strecker, D. W. Abstract Out of 10 Wolf-Rayet stars observed in the infrared, long period infrared light variations have been observed in HD 193793 and HD 192641. The variations are interpreted in terms of changes in the electron densities, radii, and mass loss rates of the circumstellar shells of these stars using a free-free emission model. Visual spectral changes observed in HD 193793 between 1967 and 1975 may be related to the infrared variations. Subject headings: infrared: sources - stars: circumstellar shells - stars: Wolf-Rayet Publication: The Astrophysical Journal Pub Date: November 1976 DOI: 10.1086/154811 Bibcode: 1976ApJ...210..137H Keywords: Hot Stars; Infrared Astronomy; Luminous Intensity; Stellar Radiation; Wolf-Rayet Stars; Astronomical Photometry; Electron Density (Concentration); Emission Spectra; Mass Ratios; Radial Distribution; Spectral Energy Distribution; Stellar Envelopes; Stellar Mass Ejection; Stellar Models; Tables (Data); Astrophysics full text sources ADS | data products SIMBAD (10)
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