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The Galaxy Population of two Distant Galaxy Clusters: 0016+16 (z=0.54) and 0939+47 (z=0.41)

Published online by Cambridge University Press:  25 May 2016

Paola Belloni  and
Hermann-Josef Röser
Paola Belloni
Affiliation:
Universitätssternwarte, Scheinerstraße 1, 81698 München
Hermann-Josef Röser
Affiliation:
Max-Planck Institut Astronomie, Königstuhl 17, 69117 Heidelberg

Extract

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We analyzed the galaxy population of two distant clusters of galaxies by means of optimized multi filter photometry. To this purpose, broad and narrow band filters have been chosen to detect features characteristic of elliptical (4000 Å break and the Mg2 band) and E+A galaxies (Hβ, Hγ and Hδ in absorption). Cluster membership and morphological types of the galaxies have been obtained by fitting the low-resolution spectral energy distributions with template spectra. Ten templates for E+A galaxies have been built up using Bruzual & Chariot (1993, ApJ 405, 538) population synthesis models with the assumption that these galaxies result from a strong star formation episode occuring in an early-type galaxy.

Type
Poster Papers
Information
Symposium - International Astronomical Union , Volume 171: New Light on Galaxy Evolution , 1996 , pp. 343
Copyright
Copyright © Kluwer 1996