The deep Groth Strip Survey. I. The sample

Nicole P. Vogt, David C. Koo, Andrew C. Phillips, W. U. Katherine, S. M. Faber, Christopher N.A. Willmer, Luc Simard, Benjamin J. Weiner, Garth D. Illingworth, Karl Gebhardt, Caryl Gronwall, Rafael Guzmán, I. M. Myungshin, Vicki Sarajedini, Edward J. Groth, Jason Rhodes, Robert Brunner, Andrew Connolly, Alex Szalay, Richard KronRoger Blandford

Research output: Contribution to journalReview articlepeer-review

37 Scopus citations


The Deep Extragalactic Exploratory Probe (DEEP) is a multiphase research program dedicated to the study of the formation and evolution of galaxies and of large-scale structure in the distant universe. This paper describes the first five-year phase, denoted DEEP1. A series of 10 DEEP1 papers will discuss a range of scientific topics (e.g., the study of photometric and spectral properties of a general distant galaxy survey, the evolution observed in galaxy populations of varied morphologies). The observational basis for these studies is the Groth Survey Strip field, a 127 arcmin 2 region that has been observed with the Hubble Space Telescope (HST) in both broad I-band and F-band optical filters and with the Low Resolution Imaging Spectrograph on the Keck Telescopes. Catalogs of photometric and structural parameters have been constructed for 11,547 galaxies and stars at magnitudes brighter than 29, and spectroscopy has been conducted for a magnitude-color weighted subsample of 818 objects. We evaluate three independent techniques for constructing an imaging catalog for the field from the HST data and discuss the depth and sampling of the resultant catalogs. The selection of the spectroscopic subsample is discussed, and we describe the multifaceted approach taken to prioritizing objects of interest for a variety of scientific subprograms. A series of Monte Carlo simulations then demonstrates that the spectroscopic subsample can be adequately modeled as a simple function of magnitude and color cuts in the imaging catalog.

Original languageEnglish (US)
Pages (from-to)41-59
Number of pages19
JournalAstrophysical Journal, Supplement Series
Issue number1
StatePublished - Jul 2005
Externally publishedYes


  • Cosmology: observations
  • Galaxies: distances and redshifts
  • Galaxies: evolution
  • Galaxies: formation
  • Galaxies: structure
  • Surveys

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science


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