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Title:
Strong Gravitational Lens Candidates in the GOODS ACS Fields
Authors:
Fassnacht, C. D.; Moustakas, L. A.; Casertano, S.; Ferguson, H. C.; Lucas, R. A.; Park, Y.
Affiliation:
AA(Department of Physics, University of California, Davis, 1 Shields Avenue, Davis, CA 95616; ), AB(), AC(Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218; , , , , ), AD(Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218; , , , , ), AE(Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218; , , , , ), AF(Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218; , , , , )
Publication:
The Astrophysical Journal, Volume 600, Issue 2, pp. L155-L158. (ApJ Homepage)
Publication Date:
01/2004
Origin:
UCP
ApJ Keywords:
Galaxies: General, Galaxies: High-Redshift, Cosmology: Gravitational Lensing, Surveys
DOI:
10.1086/379004
Bibliographic Code:
2004ApJ...600L.155F

Abstract

We present results from a systematic search for strong gravitational lenses in the Great Observatories Origins Deep Survey (GOODS) Advanced Camera for Surveys (ACS) data. The search technique involves creating a sample of likely lensing galaxies, which we define as massive early-type galaxies in a redshift range 0.3<z<1.3. The target galaxies are selected by color and magnitude, giving a sample of 1092 galaxies. For each galaxy in the sample, we subtract a smooth description of the galaxy light from the z850-band data. The residuals are examined, along with true-color images created from the B435V606i775 data, for morphologies indicative of strong lensing. We present our six most promising lens candidates as well as our full list of candidates.

Based on observations taken with the NASA/ESA Hubble Space Telescope, which is operated by the Association of Universities for Research in Astronomy (AURA), Inc., under NASA contract NAS5-26555.

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