Spectral evolution of galaxies. I - Early-type systems

Details Spectral evolution of galaxies. I - Early-type systems Spectral evolution of galaxies. I - Early-type systems

Oct 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...273..105b&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 273, Oct. 1, 1983, p. 105-127. Research supported by the University of Cali

Mathematics

Logic

501

Astronomical Photometry, Galactic Evolution, Iue, Stellar Evolution, Ultraviolet Spectra, Astronomical Models, Late Stars, Light Curve, Luminosity, Spectral Energy Distribution, Star Formation Rate

Scientific paper

This work develops models for the spectral evolution of early-type galaxies using population synthesis techniques. Different choices of the initial mass function and the star formation rate allow the construction of models which at the present epoch cover the range of observed galaxy spectra. Special emphasis is given to the ultraviolet region of the spectrum. Ultraviolet spectra of late-type stars and early-type galaxies obtained with the International Ultraviolet Explorer satellite are used in this work. The evolving spectral energy distributions are used to compute galaxy colors, magnitudes, K-corrections, and evolutionary corrections as functions of redshift for different photometric systems.

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