3mm Molecular Line Observations of W51

Details 3mm Molecular Line Observations of W51 3mm Molecular Line Observations of W51

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...19913404s&link_type=abstract

American Astronomical Society, 199th AAS Meeting, #134.04; Bulletin of the American Astronomical Society, Vol. 33, p.1502

Astronomy and Astrophysics

Astronomy

Scientific paper

We present 3mm observations of the high-mass-star forming region W51 from the BIMA array in B and C configurations. We observed in the 13CO(J=1-0), C18O(J=1-0), H13CO+ (J=1-0), SiO (J=2-1, v=0), SO2}(8{1,7}-8_{0,8) and SO2}(8{3,5}-9_{2,8) lines. We use these to calculate physical properties of the gas. All but the SO2 lines show fairly extended emission. The H13CO+ (1-0) reveals the presence of a quiescent clump of gas near the central large HII region. The continuum at 3mm is sigificantly different than in centimeter wavelength maps.

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