A basic step toward the CO-line Tully-Fisher relation

Details A basic step toward the CO-line Tully-Fisher relation A basic step toward the CO-line Tully-Fisher relation

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992pasj...44l.231s&link_type=abstract

PASJ: Publications of the Astronomical Society of Japan (ISSN 0004-6264), vol. 44, no. 6, p. L231-L234.

Astronomy and Astrophysics

Astronomy

13

Carbon Monoxide, Emission Spectra, Galactic Clusters, H Lines, Line Shape, Astronomical Spectroscopy, Distance, Radial Distribution

Scientific paper

Composite total line profiles of the CO line emission from two typical edge-on galaxies, NGC 891 and NGC 4565, were found to coincide almost perfectly with their total H I line profiles. Even for peculiar and disturbed edge-on galaxies, like NGC 4631 and NGC 3079, an approximate coincidence between the H I and CO profiles has been found. We argue that CO line emission is a promising alternative to H I for the Tully-Fisher relation.

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