350 Micron Imaging of Ultracompact HII Regions with the CSO Bolometer Array (SHARC)

Details 350 Micron Imaging of Ultracompact HII Regions with the CSO Bolometer Array (SHARC) 350 Micron Imaging of Ultracompact HII Regions with the CSO Bolometer Array (SHARC)

Dec 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995aas...18710809h&link_type=abstract

American Astronomical Society, 187th AAS Meeting, #108.09; Bulletin of the American Astronomical Society, Vol. 27, p.1441

Astronomy and Astrophysics

Astronomy

1

Scientific paper

We present diffraction-limited 350 mu m images of ultracompact HII regions (UCHIIs) obtained at the Caltech Submillimeter Observatory during engineering observations with our new 24-pixel bolometer array camera (SHARC) built in collaboration with the Goddard Space Flight Center. With a beamsize of 10'', our images show that the 350 mu m emission from these sources is generally quite compact. We combine our submillimeter fluxes with IRAS fluxes from a HiRes survey of UCHIIs and estimate the dust temperature, luminosity and mass of these regions. We also present CO J=3->2 maps of molecular outflows emerging from several of these active sources including K3-50, G138.30+1.56, and G240.31+0.07.

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