An optimal multihump filter for photometric redshifts

Tamás Budavári, Alexander S. Szalay, István Csabai, Andrew J. Connolly, Zlatan Tsvetanov

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

We propose a novel type of 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.

Original languageEnglish
Pages (from-to)3266-3269
Number of pages4
JournalAstronomical Journal
Volume121
Issue number6
DOIs
Publication statusPublished - Jun 2001
Externally publishedYes

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filter
filters
Hubble Space Telescope
cameras
galaxies
exposure

Keywords

  • Galaxies: distances and redshifts
  • Galaxies: photometry
  • Instrumentation: miscellaneous

ASJC Scopus subject areas

  • Space and Planetary Science
  • Astronomy and Astrophysics

Cite this

Budavári, T., Szalay, A. S., Csabai, I., Connolly, A. J., & Tsvetanov, Z. (2001). An optimal multihump filter for photometric redshifts. Astronomical Journal, 121(6), 3266-3269. https://doi.org/10.1086/321068

An optimal multihump filter for photometric redshifts. / Budavári, Tamás; Szalay, Alexander S.; Csabai, István; Connolly, Andrew J.; Tsvetanov, Zlatan.

In: Astronomical Journal, Vol. 121, No. 6, 06.2001, p. 3266-3269.

Research output: Contribution to journalArticle

Budavári, T, Szalay, AS, Csabai, I, Connolly, AJ & Tsvetanov, Z 2001, 'An optimal multihump filter for photometric redshifts', Astronomical Journal, vol. 121, no. 6, pp. 3266-3269. https://doi.org/10.1086/321068
Budavári T, Szalay AS, Csabai I, Connolly AJ, Tsvetanov Z. An optimal multihump filter for photometric redshifts. Astronomical Journal. 2001 Jun;121(6):3266-3269. https://doi.org/10.1086/321068
Budavári, Tamás ; Szalay, Alexander S. ; Csabai, István ; Connolly, Andrew J. ; Tsvetanov, Zlatan. / An optimal multihump filter for photometric redshifts. In: Astronomical Journal. 2001 ; Vol. 121, No. 6. pp. 3266-3269.
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