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Modeling of the IR Light Curves of the Symbiotic Recurrent Nova T CrB

Published online by Cambridge University Press:  17 January 2013

A. A. Tatarnikova ,
A. M. Tatarnikov  and
V. I. Shenavrin
A. A. Tatarnikova
Affiliation:
Lomonosov Moscow State University, Sternberg Astronomical Institute, Moscow, Russia email: aat@sai.msu.ru
A. M. Tatarnikov
Affiliation:
Lomonosov Moscow State University, Sternberg Astronomical Institute, Moscow, Russia email: aat@sai.msu.ru
V. I. Shenavrin
Affiliation:
Lomonosov Moscow State University, Sternberg Astronomical Institute, Moscow, Russia email: aat@sai.msu.ru
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Abstract

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We analyze the results of our IR photometric monitoring of T CrB during 1987-2003 and describe the ellipsoidal variability of the Roche lobe filling cool component. We obtain limits to the binary inclination of i ∈ [50,60] deg and binary mass ratio q ∈ [0.4,2] (90 per cent confidence). The mass of the hot component is therefore 1.3-3 M⊙. If the hot component of T CrB is a white dwarf, its mass will be near the Chandrasekhar limit.

Keywords

binaries: symbiotic — stars: individual (T CrB)
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Issue S281: Binary Paths to Type Ia Supernovae Explosions , July 2011 , pp. 203 - 204
Copyright
Copyright © International Astronomical Union 2013

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