Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995yera.conf...35w&link_type=abstract
The XXVIIth Young European Radio Astronomers Conference, ed. D.A. Green and W. Steffen, in association with Cambridge University
Astronomy and Astrophysics
Astronomy
Scientific paper
We present high resolution (~ 3") studies of the 3 mm dust continuum and line emission from protostellar condensations in one of the Orion B molecular cloud cores, located southwards from the ionization front of the NGC 2024 HII region. Continuum radiative transfer calculations under spherical symmetry and standard LVG radiative transfer modeling of the high density gas tracing, optically thin C34S J = 2 -> 1 transition allowed study of the conditions in and around these sources. The results confirm that they are extremely young (``class 0'') protostars. The C34S emission and the dust emission show a clear lack of coincidence, which is most likely due to freeze-out of molecules onto dust grains.
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