Abstract
view Abstract Citations (99) References (29) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The binary nature of the single-line Wolf-Rayet star EZ CMa=HD 50896. Firmani, C. ; Koenigsberger, G. ; Bisiacchi, G. F. ; Moffat, A. F. J. ; Isserstedt, J. Abstract Results of spectral photoelectric observations of HD 50896 obtained in the period 1975 February-1978 March are presented. The variations in emission-line profiles, radial velocities and light are found to be consistent with the 3.76 day period. It is concluded that the binary hypothesis is the most likely one to explain the periodic variations, and that the companion is probably a neutron star of mass m2 equals 1.3 plus or minus 0.4 solar mass. In addition, it is found that the eccentricity differs considerably from zero. It is suggested that this eccentricity is responsible for some of the more extraordinary variations observed in HD 50896. Publication: The Astrophysical Journal Pub Date: July 1980 DOI: 10.1086/158148 Bibcode: 1980ApJ...239..607F Keywords: Binary Stars; Electrophotometry; Hot Stars; Stellar Spectrophotometry; Wolf-Rayet Stars; Emission Spectra; Line Spectra; Neutron Stars; Radial Velocity; Astrophysics full text sources ADS | data products SIMBAD (3)
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