Calibration update of the COMBO-17 CDFS catalogue
Astrophysics
2009-11-13 v2
Abstract
We present an update to the photometric calibration of the COMBO-17 catalogue on the Extended Chandra Deep Field South, which is now consistent with the GaBoDS and MUSYC catalogues. As a result, photometric redshifts become slightly more accurate, with <0.01 rms and little bias in the delta_z/(1+z) of galaxies with R<21 and of QSOs with R<24. With increasing photon noise the rms of galaxies reaches 0.02 for R<23 and 0.035 at R~23.5. Consequences for the rest-frame colours of galaxies at z<1 are discussed.
Cite
@article{arxiv.0809.2066,
title = {Calibration update of the COMBO-17 CDFS catalogue},
author = {C. Wolf and H. Hildebrandt and E. N. Taylor and K. Meisenheimer},
journal= {arXiv preprint arXiv:0809.2066},
year = {2009}
}
Comments
A&A research note, resubmitted 02 Oct 2008, 4 pages in print format