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THE PRISM MULTI-OBJECT SURVEY (PRIMUS). I. SURVEY OVERVIEW AND CHARACTERISTICS

Open access
Coil, Alison L., Blanton, Michael R., Burles, Scott M., Cool, Richard J., Eisenstein, Daniel J., Moustakas, John, Wong, Kenneth C., Zhu, Guangtun, Aird, James, Bernstein, Rebecca A., Bolton, Adam S., Hogg, David W.·2011·The Astrophysical Journal

Abstract

We present the PRIsm MUlti-object Survey (PRIMUS), a spectroscopic faint galaxy redshift survey to z ∼ 1. PRIMUS uses a low-dispersion prism and slitmasks to observe ∼2500 objects at once in a 0.18 deg 2 field of view, using the Inamori Magellan Areal Camera and Spectrograph camera on the Magellan I Baade 6.5 m telescope at Las Campanas Observatory. PRIMUS covers a total of 9.1 deg 2 of sky to a depth of i AB ∼ 23.5 in seven different deep, multi-wavelength fields that have coverage from the Galaxy Evolution Explorer , Spitzer , and either XMM or Chandra , as well as multiple-band optical and near-IR coverage. PRIMUS includes ∼130,000 robust redshifts of unique objects with a redshift precision of σ z /(1 + z ) ∼ 0.005. The redshift distribution peaks at z ∼ 0.6 and extends to z = 1.2 for galaxies and z = 5 for broad-line active galactic nuclei. The motivation, observational techniques, fields, target selection, slitmask design, and observations are presented here, with a brief summary of the redshift precision; a forthcoming paper presents the data reduction, redshift fitting, redshift confidence, and survey completeness. PRIMUS is the largest faint galaxy survey undertaken to date. The high targeting fraction (∼80%) and large survey size will allow for precise measures of galaxy properties and large-scale structure to z ∼ 1.

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Metadata

Authors
Coil, A. L., Blanton, M. R., Burles, S. M., Cool, R. J., Eisenstein, D. J., Moustakas, J., Wong, K. C., Zhu, G., Aird, J., Bernstein, R. A., Bolton, A. S., & Hogg, D. W.
Venue
The Astrophysical Journal
Published
2011-10-10
Volume
741
Issue
1
Pages
8
ISSN
  • 0004-637X (ISSN-L)
  • 1538-4357
OpenAlex
W2036299345
Cited by
333
References
5
FWCI
7.95
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: THE PRISM MULTI-OBJECT SURVEY (PRIMUS). I. SURVEY OVERVIEW AND CHARACTERISTICS. https://app.cochat.ai/papers/10.1088/0004-637x/741/1/8
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Coil, A. L., Blanton, M. R., Burles, S. M., Cool, R. J., Eisenstein, D. J., Moustakas, J., Wong, K. C., Zhu, G., Aird, J., Bernstein, R. A., Bolton, A. S., & Hogg, D. W. (2011). THE PRISM MULTI-OBJECT SURVEY (PRIMUS). I. SURVEY OVERVIEW AND CHARACTERISTICS. The Astrophysical Journal. https://doi.org/10.1088/0004-637x/741/1/8

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