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Some Dependences for Long-Period Variables and a Possible Scheme of their Evolution

Published online by Cambridge University Press:  19 July 2016

I. L. Andronov ,
L. S. Kudashkina  and
G. M. Rudnitskij
I. L. Andronov
Affiliation:
Astronomical Observatory of the Odessa State University, USSR
L. S. Kudashkina
Affiliation:
Astronomical Observatory of the Odessa State University, USSR
G. M. Rudnitskij
Affiliation:
Sternberg Astronomical Institute of the Moscow State University, USSR

Abstract

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Some dependences between the parameters for approximately 150 stars, of which 81 are sources of maser emission in molecular lines, are constructed. The following parameters are considered: period P, asymmetry (M-m) of the visual light curve, visual amplitude A, color index (I-K). We use the data of the General Catalogue of Variable Stars. For the stars Z Cyg, R Tau, R Peg, RT Vir, RX Boo, PZ Cas, U Her, and R Cas, some parameters were determined by the authors.

Type
V. Origin of Planetaries
Information
Symposium - International Astronomical Union , Volume 131: Planetary Nebulae , 1989 , pp. 451
Copyright
Copyright © Kluwer 1989