Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993a%26a...268l..17h&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 268, no. 2, p. L17-L20.
Astronomy and Astrophysics
Astrophysics
49
Galactic Nuclei, Interstellar Gas, Nuclear Astrophysics, Starburst Galaxies, Ammonia, Astronomical Spectroscopy
Scientific paper
Toward the starburst nucleus of NGC 253, C-12/C-13 line intensity ratios from six carbon-bearing molecules are used to confine the possible range of carbon and oxygen isotope ratios. A detailed analysis yields C-12/C-13 about 40 and O-16/O-18 about 200. Also reported are first detections of (C-13)S and of the 0(0) - 1(-1)E line of methanol in an extragalactic source.
Henkel Carsten
Huettemeister Susanne
Lemme Claudia
Mauersberger Rainer
Millar Thomas J.
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