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MASS ACCRETION FLOWS IN THE HIGH-MASS STAR FORMING COMPLEX NGC6334.
- Source :
-
EAS Publications Series . 2015, Vol. 75/76, p269-272. 4p. - Publication Year :
- 2015
-
Abstract
- The formation of high-mass stars is one of the major topics of astrophysical research, in particular the process of accretion from largescale clouds down to small-scale cores. We have selected the nearby, filamentary, high-mass star forming complex NGC6334 to study the gas velocity at different scales and probe the infall rates onto the protostellar cores embedded in the NGC6334-I and I(N) clusters. This study makes use of single-dish and interferometric submillimeter observations, complemented with 3D numerical non-LTE radiative transfer modeling. We measure a mass accretion rate of 10-5Mʘ yr-1 throughout the filament increasing up to 10-3Mʘ yr-1 towards the densest regions where high-mass stars are forming. At smaller scales, our 3D model is consistent with accretion rates of 10-3Mʘ yr-1 towards the clusters, and 10-4Mʘ yr-1 onto the protostars. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 16334760
- Volume :
- 75/76
- Database :
- Academic Search Index
- Journal :
- EAS Publications Series
- Publication Type :
- Academic Journal
- Accession number :
- 115661470
- Full Text :
- https://doi.org/10.1051/eas/1575053