Min-Su Shin et al. 2008 The Astronomical Journal 136 44 doi:10.1088/0004-6256/136/1/44
THE SLOAN DIGITAL SKY SURVEY DISCOVERY OF A STRONGLY LENSED POST-STARBURST GALAXY AT z = 0.766
FREE ISSUEMin-Su Shin1, Michael A. Strauss1, Masamune Oguri2, Naohisa Inada3, Emilio E. Falco4, Tom Broadhurst5 and James E. Gunn1
Show affiliationsWe present the first result of a survey for strong galaxy-galaxy lenses in Sloan Digital Sky Survey (SDSS) images. SDSS J082728.70+223256.4 was selected as a lensing candidate using selection criteria based on the color and positions of objects in the SDSS photometric catalog. Follow-up imaging and spectroscopy showed this object to be a lensing system. The lensing galaxy is elliptical at z = 0.349 in a galaxy cluster. The lensed galaxy has the spectrum of a post-starburst galaxy at z = 0.766. The lensing galaxy has an estimated mass of ~1.2 × 1012 M
, and the corresponding mass-to-light ratio in the B-band is ~26M /L inside 1.1 effective radii of the lensing galaxy. Our study shows how catalogs drawn from multi-band surveys can be used to find strong galaxy-galaxy lenses having multiple lens images. Our strong lensing candidate selection based on photometry-only catalogs will be useful in future multi-band imaging surveys such as SNAP and LSST.
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Issue 1 (2008 July)
Received 2007 September 21, accepted for publication 2008 April 8
Published 2008 May 27
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The Sloan Digital Sky Survey Discovery of a Strongly Lensed Post-Starburst Galaxy at z = 0.766
Min-Su Shin et al. 2008 The Astronomical Journal 136 44
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