The HII Regions of the Local Group Galaxy WLM

Details The HII Regions of the Local Group Galaxy WLM The HII Regions of the Local Group Galaxy WLM

May 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aas...184.4802h&link_type=abstract

American Astronomical Society, 184th AAS Meeting, #48.02; Bulletin of the American Astronomical Society, Vol. 26, p.938

Astronomy and Astrophysics

Astronomy

4

Scientific paper

The dwarf irregular galaxy WLM contains 21 recognizable HII regions. A photometric and spectroscopy study shows that the detected HII regions range in luminosity from logL = 36.0 to 37.1 ergs/sec and in size from 20 to 100 parsecs. The luminosity function is roughly a power law with a slope of -1.2 and the diameter distribution fits an exponential with a scale length of 34 pc. Both of these parameters are typical of low-luminosity dwarf irregular galaxies. Spectra of the three brightest HII regions show a surprising amount of difference in line ratios and derived physical properties.

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