Dense gas in nearby galaxies. III - HC3N as an extragalactic density probe

Details Dense gas in nearby galaxies. III - HC3N as an extragalactic density probe Dense gas in nearby galaxies. III - HC3N as an extragalactic density probe

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...236...63m&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 236, no. 1, Sept. 1990, p. 63-68.

Astronomy and Astrophysics

Astrophysics

40

Cyanoacetylene, Galactic Nuclei, Millimeter Waves, Starburst Galaxies, Gas Density, Line Spectra, Milky Way Galaxy, Molecular Gases

Scientific paper

Six mm-wave transitions of cyanoacetylene (HC3N) have been detected toward the nucleus of the starburst galaxy NGC 253, thus confirming an earlier tentative detection of the heaviest molecule observed outside the Galaxy. There are two separate velocity components associated with hotspots on the molecular bar. The observed line intensities are compared with results from a large velocity gradient model.

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