We report on the creation of an unbiased catalog of galaxy clusters from the galaxy catalogs derived from the digitized POSS-II (DPOSS). Utilizing the g-r color information, we show that it is possible to estimate redshifts for galaxy clusters at z<0.4 with an rms accuracy of 0.01.
@article{arxiv.astro-ph/9906480,
title = {Photometric Redshifts for DPOSS Galaxy Clusters at z<0.4},
author = {R. R. Gal and S. C. Odewahn and S. G. Djorgovski and R. Brunner and R. R. DeCarvalho},
journal= {arXiv preprint arXiv:astro-ph/9906480},
year = {2007}
}
Comments
3 pages, 2 figures, to appear in "Photometric Redshifts and High Redshift Galaxies", eds. R. Weymann, L. Storrie-Lombardi, M.Sawicki & R. Brunner