A reflection model for the light curves of three symbiotic stars

Details A reflection model for the light curves of three symbiotic stars A reflection model for the light curves of three symbiotic stars

Jan 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...227..121f&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 227, no. 1, Jan. 1990, p. 121-129. Research supported by the Israel Academy of

Astronomy and Astrophysics

Astrophysics

21

Astronomical Models, Light Curve, Symbiotic Stars, Cool Stars, Giant Stars, Radial Velocity, Stellar Luminosity, Stellar Orbits

Scientific paper

By constructing a mostly geometrical model for the three symbiotic stars AG Draconis, AX Persei and AG Pegasi, we show semi-quantitatively that the well known reflection effect in binary stars can account for the light curves (LCs) of these stars, observed in their quiescent states. It sets, however, some constraints on the ratio of the luminosities of the two stellar components in these systems. The model predicts a few fine details in the structure of the LCs, as well as the structure of the radial velocity curves of these stars. These can be used as tests of the validity of the model against future observations.

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