Near-contact binaries among short-period Algols: the case of BF Velorum with a pulsating component |
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| Authors: | Vassilios N Manimanis Chloe Vamvatira-Nakou Panagiotis G Niarchos |
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| Institution: | (1) National and Kapodistrian University of Athens, Athens, Greece |
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| Abstract: | A photometric analysis of the short-period Algol eclipsing binary system BF Velorum based for the first time on complete BVRI
CCD light curves is presented. The new photometric solution obtained with the Wilson-Devinney program reveals that BF Vel
is a near-contact semi-detached system with its secondary component filling its Roche lobe. Moreover, we discovered pulsations
of one member of the binary system, the analysis of which shows main frequencies of 44.9386 and 33.6731 cycles/day. Absolute
elements of the system were calculated, and the evolutionary status of its members was estimated.
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| Keywords: | Variable stars: eclipsing Binaries: near-contact Individual stars: BF Vel |
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