Note on comparative analysis of the H I content in galaxies

Details Note on comparative analysis of the H I content in galaxies Note on comparative analysis of the H I content in galaxies

May 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26a...178..310g&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 178, no. 1-2, May 1987, p. 310-312.

Astronomy and Astrophysics

Astrophysics

2

Galactic Evolution, Galactic Structure, Hydrogen Clouds, Infrared Spectra, Irregular Galaxies, Spiral Galaxies, Angular Velocity, Mass To Light Ratios, Statistical Correlation

Scientific paper

Bothun (1984) has suggested that superior results can be achieved in the normalization of galactic H I content by using the hydrogen mass-to-infrared luminosity ratio. It is shown here that the correlation between the M(H I)/L(H - 0.5) ratio and the infrared luminosity L(H - 0.5) cannot be interpreted as a gas-content/luminosity relation. A statistical decomposition suggests that it is mainly a relation between (1) the infrared luminosity perturbated by the H I content and (2) the infrared luminosity.

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