CO observations of Arp's interacting galaxies

Details CO observations of Arp's interacting galaxies CO observations of Arp's interacting galaxies

Feb 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993pasj...45...43s&link_type=abstract

PASJ: Publications of the Astronomical Society of Japan (ISSN 0004-6264), vol. 45, no. 1, p. 43-55.

Other

23

Carbon Monoxide, Interacting Galaxies, Starburst Galaxies, Astronomical Spectroscopy, Line Spectra, Luminosity, Molecular Gases, Star Formation Rate

Scientific paper

We performed a (C-12)O (J= 1-0) line survey involving fifty four interacting galaxies from the Arp's Catalogue of Peculiar Galaxies, and compared our results with various other data. The far infrared luminosities, as normalized by the CO luminosities, are much greater for interacting galaxies than for normal galaxies. From correlations with the interaction class we found that the molecular gas concentration in the central few kpc is not necessarily enhanced by interaction. However, the efficiency of star formation from the molecular gas increases significantly with the interaction class, which results in an apparent increase in the star-formation rate with the interaction class.

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