Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26as...75...93r&link_type=abstract
Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 75, no. 1, Oct. 1988, p. 93-106.
Astronomy and Astrophysics
Astrophysics
118
Astronomical Spectroscopy, Elliptical Galaxies, Galactic Evolution, Spiral Galaxies, Astronomical Catalogs, Astronomical Models, Cosmology, Galactic Radiation, Spectrophotometry
Scientific paper
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.
Guiderdoni Bruno
Rocca-Volmerange Brigitte
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