Hydrodynamical interaction between an accretion flow and a stellar wind

Details Hydrodynamical interaction between an accretion flow and a stellar wind Hydrodynamical interaction between an accretion flow and a stellar wind

2004-01-21

arxiv.org/abs/astro-ph/0401426v2

Rev.Mex.Astron.Astrofis. 40 (2004) 147-165

Astronomy and Astrophysics

Astrophysics

42 pages, 13 figures. Minor changes done to the first draft. Accepted for publication in RevMexAA

Scientific paper

Molecular clouds in the interstellar medium suffer gravitational instabilities that lead to the formation of one or multiple stars. A recently formed star inside a cold cloud communicates its gravitational force to the surrounding environment and soon an accretion flow falling into the star develops. After their formation, all stars soon eject a wind of gas that interacts with the external accretion flow. This interaction produces a shock wave that evolves with time. The work presented in this article formulates a simple prescription for the evolution of this interaction. With the aid of this model we construct a few radio continuum maps of the source.

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