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Modelling Light Curves of Systems with Non-Circular Accretion Disks: KU Cyg

Published online by Cambridge University Press:  23 April 2012

S. Zola  and
T. Szymanski
S. Zola
Affiliation:
Astronomical Observatory, Jagiellonian University, ul. Orla 171, PL-30-244, Krakow, Poland email: szola@oa.uj.edu.pl Mt. Suhora Observatory, Pedagogical University, ul. Podchorazych 2, PL-30-084 Krakow, Poland email: green@oa.uj.edu.pl
T. Szymanski
Affiliation:
Astronomical Observatory, Jagiellonian University, ul. Orla 171, PL-30-244, Krakow, Poland email: szola@oa.uj.edu.pl
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Abstract

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We present a code which can be used to simulate the light curve of a binary system harbouring a non-circular accretion disk, and show that such a system geometry can produce light curves with asymmetric minima and different heights of the maxima. We have applied this code to check for the possible existence of a non-circular accretion disk, as suggested by Smak & Plavec (1997), in the Algol-type binary KU Cyg. We compare the best solutions for two sets of multicolour light curves, obtained within circular and non-circular disk models.

Keywords

binaries:eclipsingaccretion disksstars: individual (KU Cyg)
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Symposium S282: From Interacting Binaries to Exoplanets: Essential Modeling Tools , July 2011 , pp. 337 - 338
Copyright
Copyright © International Astronomical Union 2012

References

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