Photometric redshifts determinations for galaxies by means of multicolor photometry

Details Photometric redshifts determinations for galaxies by means of multicolor photometry Photometric redshifts determinations for galaxies by means of multicolor photometry

Mar 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..895..346p&link_type=abstract

FIFTY YEARS OF ROMANIAN ASTROPHYSICS. AIP Conference Proceedings, Volume 895, pp. 346-349 (2007).

Astronomy and Astrophysics

Astrophysics

Radio Galaxies, Distances, Redshifts, Radial Velocities, Spatial Distribution Of Galaxies, Magnitudes And Colors, Luminosities

Scientific paper

Multicolor photometry is increasingly used for galaxies redshifts estimations. Using optical and NIR photometrical data and HST/WFPC2 morphological data we analyze the environments of radio galaxies 3C 184 (z = 0.996, 35 galaxies in a 6.2 arcmin2 field) and 3C 210 (z = 1.169, 57 galaxies in a 6.2 arcmin2 field). Color - color diagrams, red sequence technique and template fitting technique are used in order to determine the photometric redshifts of galaxies and to analyze the clustering of galaxies and ERGs (extremely red galaxies) in the environment of these two radio galaxies at z ~ 1.

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