Irregular galaxies with extended H I emission

Details Irregular galaxies with extended H I emission Irregular galaxies with extended H I emission

Sep 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985aj.....90.1789h&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 90, Sept. 1985, p. 1789-1795.

Astronomy and Astrophysics

Astronomy

32

Galactic Structure, Hydrogen, Interstellar Gas, Radio Astronomy, Centimeter Waves, Luminosity, Radiant Flux Density

Scientific paper

The NRAO 43-m telescope has been used to obtain H I 21-cm fluxes of a large number of irregular galaxies integrated over a 21arcmin beam which can be used for determining total gas masses of these systems. The data are compared with fluxes obtained by Fisher and Tully (1975, 1981) with a 10arcmin beam to identify those galaxies which may have extended H I distributions relative to the optical sizes. Seven good candidate systems are listed. The presence of extended H I in irregular galaxies does not seem to correlate with basic global galaxian properties.

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