Formaldehyde Emission From Protostellar Region L1448IRS3

Details Formaldehyde Emission From Protostellar Region L1448IRS3 Formaldehyde Emission From Protostellar Region L1448IRS3

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...209.3011d&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #30.11; Bulletin of the American Astronomical Society, V

Astronomy and Astrophysics

Astronomy

Scientific paper

Accurate measurements of temperature and density are essential in determining whether there are stars forming in a protostellar region and, if so, what the evolutionary state and physical characteristics of these protostars might be. Formaldehyde is a proven molecular probe for this purpose. Measurements of two formaldehyde transitions obtained at the BIMA interferometer and the IRAM 30 meter radio telescope have been used to derive the temperature structure within the L1448IRS3 protostellar region. A model of this temperature structure has been derived by constraining the physical conditions within L1448IRS3 using a monte carlo radiative transfer model to simulate the formaldehyde radiative transfer and molecular excitation in the cloud. With this kinetic temperature information we have gained a better understanding of the physical state of L1448IRS3.

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