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The spectroscopic orbits and physical parameters of GG Car

Published online by Cambridge University Press:  12 July 2011

Paula E. Marchiano ,
Elisande Brandi ,
Maria F. Muratore ,
Claudio Quiroga ,
Osvaldo Ferrer  and
Lia García
Paula E. Marchiano
Affiliation:
Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de La Plata, Paseo del Bosque, S/N, 1900 La Plata, Argentina email: [email protected]
Elisande Brandi
Affiliation:
Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de La Plata, Paseo del Bosque, S/N, 1900 La Plata, Argentina email: [email protected] Instituto de Astrofísica La Plata, CCT La Plata, CONICET Comisión de Investigaciones Científicas de la Prov. de Buenos Aires (CIC)
Maria F. Muratore
Affiliation:
Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de La Plata, Paseo del Bosque, S/N, 1900 La Plata, Argentina email: [email protected]
Claudio Quiroga
Affiliation:
Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de La Plata, Paseo del Bosque, S/N, 1900 La Plata, Argentina email: [email protected] Instituto de Astrofísica La Plata, CCT La Plata, CONICET
Osvaldo Ferrer
Affiliation:
Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de La Plata, Paseo del Bosque, S/N, 1900 La Plata, Argentina email: [email protected] Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)
Lia García
Affiliation:
Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de La Plata, Paseo del Bosque, S/N, 1900 La Plata, Argentina email: [email protected] Instituto de Astrofísica La Plata, CCT La Plata, CONICET
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Abstract

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GG Car is a peculiar B type star with emission lines classified as a B[e] supergiant star. In this work we present a spectral analysis of this system based on spectra obtained at Casleo. We fit the spectral energy distribution adopting a model for the gas and dust circumstellar components and thus we obtain the physical parameters of the star and its environment.

Keywords

stars: individual (GG Car)stars: emission-linestars: fundamental parameters
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 6 , Symposium S272: Active OB stars: structure, evolution, mass loss, and critical limits , July 2010 , pp. 523 - 524
Copyright
Copyright © International Astronomical Union 2011

References

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