Analysis of HI content in galaxies

Details Analysis of HI content in galaxies Analysis of HI content in galaxies

Jun 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981cha%26a...5..205l&link_type=abstract

Chinese Astronomy and Astrophysics, Volume 5, Issue 2, p. 205-211.

Astronomy and Astrophysics

Astrophysics

9

Scientific paper

We have collected data on 241 galaxies from 13 sources and made a statistical analysis after reduction to a uniform system. We found that the Hubble sequence is one of increasing and , these mean values increasing monotonically from .0016 and .024 at E to .084 and .83 at Im, but the dispersion is large.The HI content in barred spiral is greater than that in ordinary spirals, and this is consistent with their statistics of angular momentum and colour.
The HI content is related to colour; it is greater in bluer systems. The large dispersion suggests that it also depends on some other factors, but these are smoothed out when averaged over each type, resulting in a linear relation between and <(B - VOT)>. Unlike the colour-colour diagram, the large dispersion on the log (MH/LB) - (B - V0T) is not related to peculiar galaxies.

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