A compact emission line galaxy heated by 'warmers'

Details A compact emission line galaxy heated by 'warmers' A compact emission line galaxy heated by 'warmers'

Mar 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...229...83j&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 229, no. 1, March 1990, p. 83-87.

Astronomy and Astrophysics

Astrophysics

1

Compact Galaxies, Dwarf Galaxies, Emission Spectra, Starburst Galaxies, Abundance, Chemical Composition, Density Distribution, Interstellar Gas, Ionization, Star Formation

Scientific paper

A compact galaxy with extremely strong emission lines has been found in the field of the Carina dwarf galaxy. Here, a description and interpretation of its emission-line spectrum in the range 4500-7500 A are presented. The interstellar gas is found to be hot and metal-poor (about 0.1 solar). From the analysis, it is concluded that the gas in this galaxy is ionized by a young (3 million years) stellar generation resulting from a very intense burst of star formation. From the spectra, the K-corrected colors are determined to be B-V = 0.4 m, V-R = 0.25 m, and V-I = 0.55 m.

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