AAS 201st Meeting, January, 2003
Session 6. The GOODS and Those HEROs
Poster, Monday, January 6, 2003, 9:20am-6:30pm, Exhibit Hall AB

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[6.06] Strong and Weak Gravitational Lensing in the GOODS fields

Y. Park, S. Casertano (STScI), C. Conselice (Caltech), C. Fassnacht, H. C. Ferguson, L. A. Moustakas (STScI), GOODS Team

We report preliminary results from the GOODS gravitational lensing program. ACS images taken through the F435W (B), F606W (V), F775W (i), and F850LP (z) filters have been searched from strong-gravitational lens candidates. The search procedure is described and a sample of candidates is presented. The GOODS weak lensing program aims to measure the evolution of the mass-to-light ratios of galaxies as a function of redshift, and to measure cosmic shear on small angular scales as a function of source redshift. Galaxy image shapes are measured using the techniques of Bernstein and Jarvis. We outline the analysis procedure and the steps taken to control for systematic effects.

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Bulletin of the American Astronomical Society, 34, #4
© 2002. The American Astronomical Soceity.