Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...216....1p&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 216, no. 1-2, June 1989, p. 1-10. Research supported by CAICYT.
Astronomy and Astrophysics
Astronomy
32
Carbon Monoxide, Galactic Structure, Molecular Clouds, Seyfert Galaxies, Star Formation Rate, Angular Resolution, Astronomical Maps, Galactic Evolution, Radio Astronomy, Spiral Galaxies, Starburst Galaxies
Scientific paper
The 30-m IRAM telescope was used to obtain high-angular-resolution maps of the J = 1-0 and J = 2-1 lines of CO toward NGC 1068. From the J = 1-0 integrated line intensity of CO, a total mass of molecular gas in the galaxy of 2.2 x 10 to the 10th solar masses is derived. The results suggest that the molecular clouds close to the nucleus are hot and dense enough to thermalize both transitions, and that the molecular clouds in the outer parts are colder and more diffuse than those at the nucleus. A star formation rate averaged over the last 10 to the 9th yr of 5 solar masses/yr is inferred for both the outer parts and the inner disk.
Gòmez-González Jesus
Martín-Pintado Jesús
Planesas Pere
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