Fundamental parameters for the eclipsing binary AzV 73 in the Small Magellanic Cloud

Details Fundamental parameters for the eclipsing binary AzV 73 in the Small Magellanic Cloud Fundamental parameters for the eclipsing binary AzV 73 in the Small Magellanic Cloud

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001a%26a...380..258o&link_type=abstract

Astronomy and Astrophysics, v.380, p.258-263 (2001)

Astronomy and Astrophysics

Astrophysics

4

Binaries: Eclipsing, Stars: Early-Type, Stars: Fundamental Parameters, Stars: Individual: \Object{Azv 73

Scientific paper

A CCD V light curve for the eclipsing binary star AzV 73 is presented. This new photometric observations are analysed together with previously published CCD I photometry from Udalski et al. (\cite{uda}) and spectrographic data from Niemela & Bassino (\cite{virpi}), by means of the Wilson-Devinney code. It is found that this system is semi-detached, with an orbital inclination of roughly 86 degr and a separation of 42 Rsun. The sizes and masses are R1=11.53 +/- 0.5 Rsun, M1=25.26 +/- 0.7 Msun, and R2=15.46 +/- 0.4 Rsun, M2=21.96 +/- 0.8 Msun for the primary and secondary components, respectively.

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