Effects of galaxies interactions in various environments

Details Effects of galaxies interactions in various environments Effects of galaxies interactions in various environments

Mar 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..895..341p&link_type=abstract

FIFTY YEARS OF ROMANIAN ASTROPHYSICS. AIP Conference Proceedings, Volume 895, pp. 341-345 (2007).

Astronomy and Astrophysics

Astrophysics

Radio Galaxies, Interacting Galaxies, Galaxy Pairs, And Triples, Galaxy Mergers, Collisions, And Tidal Interactions

Scientific paper

Photometrical and HST/WFPC2 morphological data of galaxies in dense environments of the radio galaxies 3C 220.1 (z = 0.62), 3C 34 (z = 0.689), 3C 184 (z = 0.996) and 3C 210 (z = 1.169), covering a total field of 24.8 arcmin2, are used to determine the rate of major galaxy merging/interaction. In our study we first determine the photometric redshifts of galaxies by means of Z-PEG software (Le Borgne & Rocca-Volmerange, 2002) and then we analyze the frequency of galaxies close pairs in the considered fields. A strong pair isolation criterion in terms of the apparent angular separation and rest-frame line-of-sight velocity difference is used.

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