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Home » Literature » Reference Lookup

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TitleCO versus HI in the Tully-Fisher relation for a sample of 32 galaxies.
AuthorsSchoniger, F.; Sofue, Y.
Bibcode

1994A&A...283...21S   Search ADS ↗

AbstractAs a basic step for establishing the CO-line Tully-Fisher relation for distant galaxies, we made a comparative study of HI versus CO line profiles. Total line profiles of the CO line emission from 32 galaxies have been compared with the corresponding HI emission. We found a good correlation between the profiles of CO and HI. This strongly supports the thesis that CO can be used in the Tully-Fisher relation for distant galaxies where HI observations cannot reach. We also argue that CO can be used as an alternative to HI for non-isolated galaxies such as those in dense cluster of galaxies. Using the B-magnitudes and a recent calibration of the HI Tully-Fisher relation we give the distances for the galaxies derived from the CO-line Tully-Fisher relation and compare them with the corresponding HI distances.
Objects

32 Objects    Search NED ↙

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National Aeronautics and Space Administration under
Award Number 80NSSC21M0037, and operated by the California Institute of Technology.

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