Radial Velocity and Light Curve Analysis of the Eclipsing Binary Nn Vir

Details Radial Velocity and Light Curve Analysis of the Eclipsing Binary Nn Vir Radial Velocity and Light Curve Analysis of the Eclipsing Binary Nn Vir

Apr 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005ap%26ss.296..269p&link_type=abstract

Astrophysics and Space Science, Volume 296, Issue 1-4, pp. 269-272

Astronomy and Astrophysics

Astrophysics

Scientific paper

The eclipsing binary NN Vir is a short period system showing an EW-type light curve. Photometric observations of NN Vir were done by Gomez Ferrellad and Garcia Melendo (1997) at Esteve Duran Observatory. The first spectroscopic observations of this system were obtained by Rucinski and Lu (1999). The radial velocity and light curves analysis was made with the latest version of the Wilson program (1998), and the geometric and physical elements of the system are derived. From the simultaneous solutions of the system, we determined the masses and radii of the components: 1.89 M &sun; and 1.65 R &sun; for the primary component; 0.93 M &sun; and 1.23 R &sun; for the secondary component. We estimated effective temperatures of 7030 K for the primary and 6977 K for the secondary component.

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