Photoevaporation of a binary proplyd system

Details Photoevaporation of a binary proplyd system Photoevaporation of a binary proplyd system

Apr 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010rmxaa..46...79v&link_type=abstract

Revista Mexicana de Astronomía y Astrofísica Vol. 46, pp. 79-87 (2010) (http://www.astroscu.unam.mx/~rmaa/)

Astronomy and Astrophysics

Astronomy

H Ii Regions, Stars: Circumstellar Matter, Stars: Mass Loss, Stars: Pre-Main Sequence

Scientific paper

We present 3D numerical simulations of photo-evaporation of a binary accretion disk system inside an H II region. The simulations take into account far- and extreme-ultraviolet (FUV and EUV) radiation from a stellar source. We study both FUV dominated and EUV dominated models. FUV dominated models show a well defined interproplyd shell in both Hα emission and density maps, when the separation of the binary system is relatively large (˜ 2000 AU). For smaller separations (≃ 200 AU), the interproplyd shell no longer develops. We show that an EUV model with a suitable choice of parameters increases the Hα emission of the interproplyd shell relative to the emission of the ionization fronts, in better agreement with the observations of the binary proplyd LV1.

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