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Optimal multihump filter for photometric redshifts | | Tamas Budavari
; Alexander S. Szalay
; Istvan Csabai
; Andrew J. Connolly
; Zlatan Tsvetanov
; | | Date: |
5 Jun 2001 | | Subject: | astro-ph | | Affiliation: | 1,2), Alexander S. Szalay , Istvan Csabai (1,2), Andrew J. Connolly , Zlatan Tsvetanov ( The Johns Hopkins Unversity, Eotvos University, University of Pittsburgh | | Abstract: | 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. | | Source: | arXiv, astro-ph/0106073 | | Services: | Forum | Review | PDF | Favorites | |
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