The massive Wolf-Rayet binary LSS 1964 (=WR 29). II. The V light curve

Details The massive Wolf-Rayet binary LSS 1964 (=WR 29). II. The V light curve The massive Wolf-Rayet binary LSS 1964 (=WR 29). II. The V light curve

Nov 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009a%26a...506.1269g&link_type=abstract

Astronomy and Astrophysics, Volume 506, Issue 3, 2009, pp.1269-1275

Astronomy and Astrophysics

Astrophysics

Stars: Binaries: Close, Stars: Binaries: Eclipsing, Stars: Binaries: Spectroscopic, Stars: Wolf-Rayet

Scientific paper

Context: WR 29 is a known WN7h+O double-lined binary system with a rather short period (3.164 days). Aims: We search for light variations to determine the inclination of the system and thus the absolute masses of both components. Methods: We observed photometrically the field of WR 29 between December, 2002, and February, 2006. Results: We find that the V light of WR 29 varies in phase with the spectroscopic period of 3.16412 days, presenting two minima corresponding to the conjunctions of the binary components. Numerical models fitted to the light curve indicate an orbital inclination of about 44°, and masses of 53 M_&sun; and 42 M_&sun; for the O- and WN-type components, respectively.
Full Table 2 is only available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/506/1269 Based on data collected at CASLEO, CTIO, and LCO. Visiting Astronomer, CASLEO, Argentina, and CTIO and LCO, Chile. Visiting Astronomer, CASLEO, Argentina. In memoriam (1936-2006). Visiting Astronomer, LCO and CTIO, Chile.

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