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Title:
Differential population synthesis of early-type galaxies. II - Galaxy spectra, colors, and line strengths
Authors:
Pickles, A. J.; Visvanathan, N.
Affiliation:
AA(Mount Stromlo and Siding Spring Observatoires, Canberra, Australia), AB(Mount Stromlo and Siding Spring Observatoires, Canberra, Australia)
Publication:
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 294, July 1, 1985, p. 134-146. (ApJ Homepage)
Publication Date:
07/1985
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
ASTRONOMICAL PHOTOMETRY, COLOR-MAGNITUDE DIAGRAM, ELLIPTICAL GALAXIES, GALACTIC NUCLEI, LINE SPECTRA, METALLICITY, BALMER SERIES, CALIBRATING, EMISSION SPECTRA, H ALPHA LINE, LUMINOSITY
DOI:
10.1086/163281
Bibliographic Code:
1985ApJ...294..134P

Abstract

Flux-calibrated spectra are presented for the nuclei of 12 elliptical and five lenticular galaxies in the Fornax Cluster (V0 = 1430 km/s). The continuous spectra have a resolution of 10-20 A and wavelength coverage extending from 3600 A to a maximum of 10,000 A. The galaxies have been selected to cover a large range (of about 6 mag) of absolute magnitude and provide a good, representative sample defining the color-magnitude diagram for the Fornax Cluster. Spectrophotometric colors derived on the Kron-Cousins UBVRI system are compared with published photoelectric photometry, and the variation with nuclear luminosity of several prominent line strengths is discussed.

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