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Title:
An atlas of synthetic spectra of galaxies
Authors:
Rocca-Volmerange, B.; Guiderdoni, B.
Affiliation:
AA(CNRS, Institut d'Astrophysique, Paris; CNRS, Laboratoire Rene Bernas, Orsay, France), AB(CNRS, Institut d'Astrophysique, Paris, France)
Publication:
Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 75, no. 1, Oct. 1988, p. 93-106. (A&AS Homepage)
Publication Date:
10/1988
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
ASTRONOMICAL SPECTROSCOPY, ELLIPTICAL GALAXIES, GALACTIC EVOLUTION, SPIRAL GALAXIES, ASTRONOMICAL CATALOGS, ASTRONOMICAL MODELS, COSMOLOGY, GALACTIC RADIATION, SPECTROPHOTOMETRY
Bibliographic Code:
1988A&AS...75...93R

Abstract

Evolutionary synthetic spectra of galaxies extended from far-UV to 1 micron with a spectral resolution of 10 A are computed using the authors' model of spectrophotometric evolution. The standard scenarios of evolution describe the Hubble sequence by varying the time scale of gas consumption due to star formation and the age, with a constant initial mass function and a solar mean metallicity. The model also is characterized by a complete observational stellar library based on published IUE spectra atlases, the inclusion of the AGB in the stages of the stellar tracks, and the production of the UV excess of E/SO galaxies from a star-forming model. For each scenario, a nebular component is estimated and equivalent widths of some hydrogen and oxygen nebular lines are given. Spectra and lines are reddened with an internal extinction consistent with the gas content.

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