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Galaxy Pairs and Triplets at Medium Redshifts from the Sloan Digital Sky Survey (SDSS)

Published online by Cambridge University Press:  12 April 2016

L. Infante ,
M. A. Strauss ,
N. Bahcall ,
G. R. Knapp  and
For the SDSS Collaboration
L. Infante
Affiliation:
Department of Astrophysical Sciences, Princeton University, Peyton Hall, Princeton, NJ 08544-1001, U.S.A. Departamento de Astronomía y Astrofísica, P. Universidad Católica de Chile, Casilla 306, Santiago 22, Chile
M. A. Strauss
Affiliation:
Department of Astrophysical Sciences, Princeton University, Peyton Hall, Princeton, NJ 08544-1001, U.S.A.
N. Bahcall
Affiliation:
Department of Astrophysical Sciences, Princeton University, Peyton Hall, Princeton, NJ 08544-1001, U.S.A.
G. R. Knapp
Affiliation:
Department of Astrophysical Sciences, Princeton University, Peyton Hall, Princeton, NJ 08544-1001, U.S.A.

Abstract

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We have identified close pairs and triplets of galaxies in SDSS commissioning imaging data. The data set is from one of the SDSS equatorial scans covering an area close to 100 square degrees. We have estimated the angular correlation function of these galaxy systems and show that they appear to be appreciably more strongly clustered than are single galaxies.

Type
Part 1. New Surveys
Information
International Astronomical Union Colloquium , Volume 174: Small Galaxy Groups , 2000 , pp. 31 - 35
Copyright
Copyright © Astronomical Society of the Pacific 2000

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