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Title:
A Catalog of Faint Interacting Galaxies in Pairs and Groups
Authors:
de Mello, Duilia F.; Infante, Leopoldo; Menanteau, Felipe
Publication:
Astrophysical Journal Supplement v.108, p.99 (ApJS Homepage)
Publication Date:
01/1997
Origin:
APJ
DOI:
10.1086/312952
Bibliographic Code:
1997ApJS..108...99D

Abstract

We have carried out an extensive survey of faint galaxies in order to examine the rise in the merger rate with redshift and to study the statistical relations between close interacting galaxies and the field galaxy population. In this paper, we present the catalog of faint pairs and groups of galaxies of 46 equatorial fields taken with the Cerro Tololo Inter-American Observatory 4 m prime focus. The data set contains 73,988 galaxies, covering a total area of 2.23 deg2. We have found 1751 isolated pairs and 30 groups of galaxies within 19 < mR < 22 and 2" < theta < 6" in this area. Our results clearly show an increase in pairs and groups of galaxies in comparison with a randomly generated catalog.
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