High Resolution Observations of Hot Cores

Details High Resolution Observations of Hot Cores High Resolution Observations of Hot Cores

Oct 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006atnf.prop..446h&link_type=abstract

ATNF proposal C1590, Semester: October, 2006

Physics

Galactic, Atca

Scientific paper

High mass star formation has so far not been very well understood, which is mostly due to observational difficulties. Since new (sub)mm instruments like ATCA and APEX (and ALMA in the future) are opening up this frequency window, we have started to study a large sample of high mass star forming regions with the APEX telescope, which is also a substantial part of C.Hieret's PhD work. While our data allow us to do high excitation studies of the chemically rich hot cores, they are suffering from a relatively low angular resolution. Here we propose to follow-up our 6 most promising hot core sources with high resolution ATCA observations. This will allow us to zoom closer into the exciting cores and determine their exact 3mm positions (to 1'' and better) and sizes, allowing us to properly associate the dusty cores with already observed (masers, continuum regions etc.) features in their environment. The small scale ATCA data will have an immediate impact on our understanding of the sources, years before ALMA will come online!

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