Photometric search of orbital periods in symbiotic stars

Details Photometric search of orbital periods in symbiotic stars Photometric search of orbital periods in symbiotic stars

2010-03-02

arxiv.org/abs/1003.0608v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

4 pages, 4 figures, Conference: Interacting Binaries: Accretion and Synchronization

Scientific paper

We present UBVRI photometry of three symbiotic stars ZZ CMi, TX CVn and AG Peg carried out from 1997 to 2008 in Piwnice Observatory near Torun. To search orbital periods of these stars Fourier analysis was used. For two of them, TX CVn and AG Peg, we have confirmed the earlier known periods. For ZZ CMi we found a relatively short period 218.59 days. Assuming, that the orbital period is twice longer (P=437.18 days), the double sine wave in the light curve can be interpreted by ellipsoidal effect.

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