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The massive Wolf-Rayet Binary LSS1964 (=WR29), II: the V light curve

Gamen, Roberto Claudio et al · EDP Sciences · 2009

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Author / responsible party
Gamen, Roberto Claudio et al
Publisher
EDP Sciences
Year
2009
ISSN
1269-1275
ISSN
1269-1275
Language
English

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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 and 42 M for the O- and WN-type components, respectively. Fil: Gamen, Roberto Claudio. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica La Plata; Argentina Fil: Fernandez Lajus, Eduardo Eusebio. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica La Plata; Argentina

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APA 7

Gamen, R. C. E. A. (2009). The massive Wolf-Rayet Binary LSS1964 (=WR29), II: the V light curve. http://hdl.handle.net/11336/43240

MLA

Gamen, Roberto Claudio et al. "The massive Wolf-Rayet Binary LSS1964 (=WR29), II: the V light curve." 2009. http://hdl.handle.net/11336/43240.

Chicago

Gamen, Roberto Claudio et al. 2009. "The massive Wolf-Rayet Binary LSS1964 (=WR29), II: the V light curve.". http://hdl.handle.net/11336/43240.

Harvard

Gamen, R. C. E. A. 2009, The massive Wolf-Rayet Binary LSS1964 (=WR29), II: the V light curve, EDP Sciences, available at: http://hdl.handle.net/11336/43240 [Accessed 6 Aug. 2026].

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Title
The massive Wolf-Rayet Binary LSS1964 (=WR29), II: the V light curve
Author / contributors
Gamen, Roberto Claudio et al
Publisher
EDP Sciences
Publication year
2009
ISSN
1269-1275
ISSN
1269-1275
Language
English

Subjects

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Close binaries; Eclipsing binaries; Spectroscopic binaries; Wolf Rayet stars; WR 29 (estrella); https://purl.org/becyt/ford/1.3; https://purl.org/becyt/ford/1
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