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Revista mexicana de astronomía y astrofísica
versão impressa ISSN 0185-1101
Resumo
RAGA, A. C.; STEFFEN, W. e GONZALEZ, R. F.. 3D simulations of the fragmentation of photoevaporating clumps embedded in a stellar wind. Rev. mex. astron. astrofis [online]. 2005, vol.41, n.1, pp.45-55. ISSN 0185-1101.
We present 3D numerical simulations of the interaction of a dense, neutral clump with an impinging external wind+ionizing photon field. We find that models with very weak ionizing photon fields produce clumps that fragment as the time evolution proceeds, in agreement with previous clump/wind interaction models. Models with stronger ionizing photon fields present less fragmentation, and for strong enough photon fields only a single, dense condensation is produced.
Palavras-chave : ISM [H II Regions]; ISM [Kinematics and dynamics]; ISM [Planetary nebulae].