High deuteration towards a new sample of massive cold cores

Details High deuteration towards a new sample of massive cold cores High deuteration towards a new sample of massive cold cores

Jan 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005esasp.577..443w&link_type=abstract

In: Proceedings of the dusty and molecular universe: a prelude to Herschel and ALMA, 27-29 October 2004, Paris, France. Ed. by A

Computer Science

Star Formation, Deuteration

Scientific paper

At the current stage of massive star formation research it is crucial to find objects prior to the formation of hot cores and ultracompact HII (UCHII) regions. The evidence for so-called pre-proto-cluster cores - cold condensations on the verge of or already collapsing - is still missing. This led us to use the BIMA interferometer and the SCUBA array at the JCMT to search for secondary, cold condensations in the fields toward known UCHII regions. Here we report on a follow-up project to study the deuteration in the found massive cold clumps using NH2D/NH3.

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