Binary systems: implications for outflows & periodicities relevant to masers

Details Binary systems: implications for outflows & periodicities relevant to masers Binary systems: implications for outflows & periodicities relevant to masers

2012-03-15

arxiv.org/abs/1203.3427v1

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

5 pages, 3 figures, Proceedings IAU Symposium No. 287, 2012, Cosmic masers - from OH to H0

Scientific paper

Bipolar molecular outflows have been observed and studied extensively in the past, but some recent observations of periodic variations in maser intensity pose new challenges. Even quasi-periodic maser flares have been observed and reported in the literature. Motivated by these data, we have tried to study situations in binary systems with specific attention to the two observed features, i.e., the bipolar flows and the variabilities in the maser intensity. We have studied the evolution of spherically symmetric wind from one of the bodies in the binary system, in the plane of the binary. Our approach includes the analytical study of rotating flows with numerical computation of streamlines of fluid particles using PLUTO code. We present the results of our findings assuming simple configurations, and discuss the implications.

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