Other
Scientific paper
Apr 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007atnf.prop..897f&link_type=abstract
ATNF proposal C1589, Semester: April, 2007
Other
Stellar, Atca
Scientific paper
In the recently identified intermediate-mass prestellar core CrA-SMM1A (6-11 Mo), located in the dense protostar cluster called the Coronet, exceptionally bright N2H+(3-2) and N2H+(5-4) emission (TMB=12K in both cases) was measured recently with the APEX submillimeter telescope. To our knowledge, no other prestellar core shows comparably bright N2H+ emission, indicating high densities. In order to study the nitrogen chemistry as well as the kinematics and mass distribution in this source at high angular resolution while also looking for extended emission, we propose observations in N2H+ and the 3mm continuum in two different ATCA configurations. We are particularly interested in the intensity and spatial distribution of N2H+(1-0) emission in comparison to the continuum emission. The observed excitation of this molecule will be compared to detailed modeling. This project is thus expected to yield new insights into the earliest stages of intermediate-mass star formation in clustered environments.
Belloche Arnaud
Forbrich Jan
Menten Karl
Schreyer Katharina
Wyrowski Friedrich
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