Optimal multihump filter for photometric redshifts

Details Optimal multihump filter for photometric redshifts Optimal multihump filter for photometric redshifts

2001-06-05

arxiv.org/abs/astro-ph/0106073v1

Astronomy and Astrophysics

Astrophysics

9 pages, 3 figures, LaTeX AASTeX, accepted to AJ

Scientific paper

10.1086/321068

We propose a novel type filter for multicolor imaging to improve on the photometric redshift estimation of galaxies. An extra filter - specific to a certain photometric system - may be utilized with high efficiency. We present a case study of the Hubble Space Telescope's Advanced Camera for Surveys and show that one extra exposure could cut down the mean square error on photometric redshifts by 34% over the z<1.3 redshift range.

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