BV light curves of NN Vir (Djurasevic+, 2004)

Details BV light curves of NN Vir (Djurasevic+, 2004) BV light curves of NN Vir (Djurasevic+, 2004)

Nov 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003ycat..34150283d&link_type=abstract

VizieR On-line Data Catalog: J/A+A/415/283. Originally published in: 2004A&A...415..283D

Physics

Binaries: Eclipsing, Photometry: Ubv

Scientific paper

Photoelectric BV light curves of the recently discovered eclipsing binary NN Vir were studied for the first time to derive the physical parameters of the system. The light curves were obtained at the Ankara University Observatory during three nights in May, 2002. The solutions made by using Djurasevic's inverse problem method describe the NN Vir system as a high overcontact configuration (fover~58%) with a relatively small temperature differences between the components ({Delta}T=Th-Tc~160K). These solutions suggest a significant mass and energy transfer from the more massive primary onto the less massive secondary. The hot area on the less massive star, near the neck region, can be taken as a consequence of this mass and energy exchange between the components through the connecting neck of the common envelope.
(1 data file).

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