E+A Galaxies in the near-IR: Field and Clusters

Details E+A Galaxies in the near-IR: Field and Clusters E+A Galaxies in the near-IR: Field and Clusters

1999-10-15

arxiv.org/abs/astro-ph/9910292v1

Astronomy and Astrophysics

Astrophysics

To appear in proceedings of conference on Clustering At High Redshift, ASP Conf. Series, ed. A. Mazure and O.Le Fevre (Marseil

Scientific paper

I present near-IR photometry of a selected sample of E+A galaxies observed in the southern hemisphere. The sample includes 50 galaxies from nearby clusters (z ~ 0.05) and distant clusters (z ~ 0.31) as well as E+A galaxies from the field (z ~ 0.15). I have also observed 13 normal early-type galaxies from the field and from clusters, to be compared with the E+A sample. The photometry includes J, H and Ks apparent magnitudes and colors. I investigate systematic properties of the E+A sample as a function of their environment, contrasting the observed colors with spectrophotometric models of galaxy evolution.

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