Catalogue of J = 1-0 CO emission towards southern dark clouds

Details Catalogue of J = 1-0 CO emission towards southern dark clouds Catalogue of J = 1-0 CO emission towards southern dark clouds

Apr 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000pasa...17...92o&link_type=abstract

Publications Astronomical Society of Australia, vol. 17, no. 1, p. 92-101

Astronomy and Astrophysics

Astronomy

15

Co Emission, Interstellar Clouds

Scientific paper

Using the 22-m 'Mopra' antenna (near Coonabarabran, NSW) of the Australia Telescope National Facility (ATNF), we have observed emission from the 115-GHz J = 1-0 transition of CO towards the centre of each of the 1101 clouds listed in the Catalogue of Southern Dark Clouds (SDC) of Hartley et al. (1986). The velocity range covered was -96 to +70 kmper sec, with a velocity resolution of 0.120 km per sec. CO was detected at 1049 of the positions, with 367 spectra showing emission at more than one radial velocity. Here we present the most comprehensive general survey of the SDC catalogue, with the intensity, velocity and half-width of the CO detection and a code describing the profile shape. The presence of blue- or red-shifted wings in many observations can provide a starting point in searches for star-forming regions.

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