The Wolf-Rayet star HD 211853 revisited

Details The Wolf-Rayet star HD 211853 revisited The Wolf-Rayet star HD 211853 revisited

Jan 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...227..117p&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 227, no. 1, Jan. 1990, p. 117-120.

Astronomy and Astrophysics

Astrophysics

14

Eclipsing Binary Stars, Stellar Spectrophotometry, Stellar Systems, Variable Stars, Wolf-Rayet Stars, Light Curve, O Stars, Radial Velocity, Ubv Spectra

Scientific paper

New photometric data of the Wolf-Rayet (WR) quadruple system HD 211853 (GP Cep) are presented. A thorough discussion of all data available, photometric as well as spectroscopic, leads to the conclusion that the system consists of two pairs of stars (periods 6.6884 and 3.46877 days) both hosting a WR component. In all photometric data sets, ranging from 1962 to 1988, two periods of light variability are present: a 3.46877 d period consistent with the shorter spectroscopic period as proposed by Massey (1981) and a 2.34607 d period which has not been seen before. The origin of the corresponding light variations is discussed.

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