Galaxy Sizes in the WFC3 Early Release Science Field

Astronomy and Astrophysics – Astronomy

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Scientific paper

We present a multi-band catalog of galaxy sizes as a function of redshift and wavelength for galaxies observed in the GOODS South field by Wide Field Camera 3 (WFC3) as part of the Early Release Science (ERS) program. New WFC3/IR Channel images were combined with pre-existing images taken by the Advanced Camera for Surveys (ACS) to cover a broad wavelength range, infrared (IR) to optical. Currently the catalog utilizes 7 different bands, 4 ACS (F435W, F606W, F775W, and F850LP) and 3 WFC3/IR (F098M, F125W, and F160W). Future work will include extending our catalog wavelength range to the UV bands taken by WFC3/UVIS.
This paper is based on Early Release Science observations made by the WFC3 Scientific Oversight Committee. We are grateful to the Director of the Space Telescope Science Institute for awarding Director's Discretionary time for this program. Support for program #11360 was provided by NASA through a grant from the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Inc., under NASA contract NAS 5-26555.

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