An evolutionary model of star formation for elliptical galaxies

Details An evolutionary model of star formation for elliptical galaxies An evolutionary model of star formation for elliptical galaxies

Jan 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.236...47r&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 236, Jan. 1, 1989, p. 47-56.

Astronomy and Astrophysics

Astronomy

14

Elliptical Galaxies, Galactic Evolution, Star Formation, Gas Density, Lyman Alpha Radiation, Ultraviolet Radiation

Scientific paper

An evolutionary model of an elliptical galaxy with a continuous efficient star-formation rate which depends on the gas density is shown to explain the strong UV excesses of NGC 4486 and NGC 4649 in the Virgo cluster. The star formation rate of 0.0012 solar masses/Gyr is found to be consistent with previous estimations of the mass deposition rate in the inner parts of galaxies. The present model is also consistent with the Ly-alpha emission of distant star-forming galaxies of ages of between about 0.3 and 4 Gyr.

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