Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981mnras.194..755c&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 194, Mar. 1981, p. 755-759.
Astronomy and Astrophysics
Astronomy
27
Binary Stars, Hot Stars, Nebulae, Periodic Variations, Stellar Spectrophotometry, Ubv Spectra, Variable Stars, Wolf-Rayet Stars, Electrophotometers, Light Curve, Neutron Stars, Pulsars, Stellar Luminosity, Stellar Mass Accretion, Stellar Radiation, X Ray Sources
Scientific paper
Photoelectric UBV observations of the Wolf-Rayet star HD 50896, which is associated with a ring nebula, are reported which confirm the 3.76-day periodicity of the star. The observations were made with a pulse-counting UBV photoelectric photometer on a 24-in. reflector over the course of 20 nights. The light curves obtained exhibit a complex structure which is similar in all filters, and agree well with the period of 3.763 days discovered by Firmani et al. (1979) and McLean (1980). The results are found to be in agreement with a model of HD 50896 as a binary system containing an accreting neutron star moving through the extended atmosphere of the Wolf-Rayet star.
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