Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26as..103..503b&link_type=abstract
Astronomy and Astrophysics Suppl. 103, 503-540 (1994)
Astronomy and Astrophysics
Astrophysics
28
Interstellar Medium: Clouds, Molecules, Galaxy: General, Radio Lines: Interstellar
Scientific paper
We present the results of ^12^CO(J=1-0) observations of molecular clouds located in the far-outer Galaxy. All clouds have distances from the galactic center R>~16 kpc, and all contain at least one IRAS point source with a FIR spectral distribution typical of star forming regions. The data are presented in the form of maps of integrated intensity and peak temperature, and we show channel maps where relevant. For each cloud the mass is calculated both using a constant ratio (X) between {integral}T_mb_(CO)dV and N(H_2_), and according to the virial theorem. The equivalent radius of each cloud is determined in two ways: from the area, and from an intensity-weighted average of the detected positions. Additional observations of ^12^CO(J=2-1), ^12^CO(J=3-2), ^13^CO(J=1-0), and ^13^CO(J=2-1), mostly at the IRAS position, are also presented. A detailed analysis and discussion of the results, as well as a comparison with inner Galaxy clouds, will be given in a following paper.
Brand Jan
Wouterloot Jan G. A.
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