An Investigation on the Morphological Structure of IC59: A New Type of Morphology of BRCs?

Details An Investigation on the Morphological Structure of IC59: A New Type of Morphology of BRCs? An Investigation on the Morphological Structure of IC59: A New Type of Morphology of BRCs?

2010-01-05

arxiv.org/abs/1001.0734v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

19 pages, 6 figures, submitted to ApJ

Scientific paper

With references to recent observational results on the nebula IC59, we applied our previously developed Smoothed Particle Hydrodynamics (SPH) code which is based on Radiative Driven Implosion (RDI) model, to investigate the possible formation mechanism for the observed morphological structures of differently shaped BRCs. The simulation results confirmed the existence of the 4th type morphology of BRCs -- type M BRC. We are able to find the necessary condition for the appearance of the type M BRC based on the fact that the simulated physical properties of the cloud are consistent with observations on IC59. More importantly, the prospect of RDI triggered star formation by RDI model in all of the observed type M BRCs is ruthlessly eliminated.

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