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Optical and Near-IR Monitoring of Symbiotic Binary Systems

Published online by Cambridge University Press:  12 April 2016

Joanna Mikołajewska*
Affiliation:
N. Copernicus Astronomical Center, Bartycka 18, 00716 Warsaw, Poland, e-mail: mikolaj@camk.edu.pl

Abstract

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Symbiotic stars are long-period interacting binary systems in which an evolved red giant star transfers material to its much hotter compact companion. Such a composition places them among the most variable stars. In addition to periodic variations due to the binary motion, they often show irregular changes due to nova-like eruptions of the hot component. In some systems the cool giant is a pulsating Mira-type star usually surrounded by a variable dust shell. Here, I present results of optical and IR monitoring of symbiotic systems as well as future prospects for such studies.

Type
V. Variability Study
Copyright
Copyright © Astronomical Society of the Pacific 2001

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