Star formation histories of galaxies from their stellar luminosity functions

Details Star formation histories of galaxies from their stellar luminosity functions Star formation histories of galaxies from their stellar luminosity functions

Feb 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...255...26m&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 255, no. 1-2, p. 26-34.

Astronomy and Astrophysics

Astrophysics

30

Dwarf Galaxies, Star Clusters, Stellar Evolution, Stellar Luminosity, Astronomical Models, Metallicity, Stellar Magnitude

Scientific paper

It is shown that a simple star formation history of a single-burst single-metallicity intermediate-age stellar population can be determined from its stellar luminosity function with an age resolution of 20 percent, if the observed stellar luminosity function has 2000-4000 stars in the absolute magnitude range between 1.2 and 4.8 mag and bin widths of 0.2 mag. More complicated star formation histories or histories with mostly very early star formation will require more stars. A star formation history for the Carina dwarf speroidal galaxy is derived from the analysis of its stellar luminosity function, which agrees well with the star formation histories of this galaxy determined by analyzing color magnitude diagrams.

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