Star formation in dwarf irregular galaxies - DDO 210 and NGC 3109

Details Star formation in dwarf irregular galaxies - DDO 210 and NGC 3109 Star formation in dwarf irregular galaxies - DDO 210 and NGC 3109

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aj....105..894g&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 105, no. 3, p. 894-932, 1222, 1223.

Astronomy and Astrophysics

Astronomy

78

Astronomical Photometry, Color-Magnitude Diagram, Dwarf Galaxies, Luminous Intensity, Metallicity, Star Formation, Absorptivity, Charge Coupled Devices, Data Reduction

Scientific paper

Deep CCD photometry is applied to study star formation in two regions of DDO 210 and three regions of NGC 3109. Color-magnitude diagrams and luminosity functions are used to derive information on stellar populations, star formation rates, and initial mass functions of these regions in the last 1 Gyr, over which star-formation activity has been continuous. In view of the present models, metallicity should be fairly low and the initial mass function exponent should be in the vicinity of Salpeter' value.

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