Astronomy and Astrophysics – Astrophysics
Scientific paper
May 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...134..396i&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 134, no. 2, May 1984, p. 396-401.
Astronomy and Astrophysics
Astrophysics
18
Carbon Monoxide, Galactic Structure, Herbig-Haro Objects, Milky Way Galaxy, Molecular Clouds, Southern Sky, Submillimeter Waves, Astronomical Maps, Globules, Radial Distribution, Signal To Noise Ratios
Scientific paper
The fourth galactic quadrant (1 = 270 to 355 deg) was surveyed in the CO (J = 2 - 1) transition at a wavelength of 1.3 mm, with the Estec-Utrecht submillimeter line receiver and the 1.4 m Coude Auxilliary Telescope (CAT). The CO (2-1) distribution in the quadrant is found to be clumpy and contains a number of 'holes'. The radial distribution of CO differs from that in the (northern) first quadrant and shows a broader maximum with peaks at R = 4 and R = 8 kpc. The cloud-cloud velocity dispersion is found to be very similar to that found in the northern hemisphere, on the order of 4 km/s. Computer generated maps of the CO(J = 2-1) distribution in the Galactic plane are provided.
Brand Jan
de Graauw Th.
de Vries Cor P.
Habing Harm J.
Israel Frank P.
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