NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-24 T22:34:14 PDT
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For refcode 1995A&AS..110..371S:
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Copyright by European Southern Observatory (ESO). Reproduced by permission
1995A&AS..110..371S Southern binary galaxies. I. A sample of isolated pairs D.S.L. Soares, R.E. de Souza, R.R. de Carvalho, and T.C. Couto da Silva Departamento de Fisica, UFMG, C.P. 702, Belo Horizonte, 30161-970, Brazil Instituto Astronomico e Geofisico, USP, C.P. 9638, Sao Paulo, 01065-970, Brazil Observatorio Nacional/DAF, CNPq, C.P. 23002, Rio de Janeiro, 20921-400, Brazil Received August 1; accepted November 3, 1994 Abstract. - A catalogue of binary galaxies with 621 pairs has been determined by applying a surface density enhancement procedure to The Surface Photometry Catalogue of the ESO- Uppsala Galaxies. The method does not require any redshift information. An additional restriction, based on objective criteria that take into account the completeness of the source catalogue, led to a sample of 189 isolated pairs which are listed. We have obtained the optical luminosity function of binary galaxies in the catalogue, from which we estimate that the luminosity density of galaxies in binaries is ~4% of that found for field galaxies. The general properties of our sample are similar to those from CPG and CMG. Key words: galaxies: interactions - catalogues galaxies: luminosity function
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