A panchromatic catalog of early-type galaxies at intermediate redshift in the Hubble Space Telescope wide field camera 3 early release science field

M.J. Rutkowski, S.H. Cohen, R.A. Windhorst, S. Kaviraj, R.M. Crockett, J. Silk, R.W. O'Connell, N.P. Hathi, P.J. McCarthy, R.E. Ryan Jr., A. Koekemoer, H.E. Bond, B.C. Whitmore, H. Yan, R.A. Kimble, B. Balick, D. Calzetti, M.J. Disney, M.A. Dopita, J.A. FrogelD.N.B. Hall, J. A. Holtzman, F. Paresce, A. Saha, J.T. Trauger, A.R. Walker, E.T. Young

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Abstract

In the first of a series of forthcoming publications, we present a panchromatic catalog of 102 visually selected early-type galaxies (ETGs) from observations in the Early Release Science (ERS) program with the Wide Field Camera 3 (WFC3) on the Hubble Space Telescope (HST) of the Great Observatories Origins Deep Survey-South (GOODS-S) field. Our ETGs span a large redshift range, 0.35 ≲z ≲1.5, with each redshift spectroscopically confirmed by previous published surveys of the ERS field. We combine our measured WFC3 ERS and Advanced Camera for Surveys (ACS) GOODS-S photometry to gain continuous sensitivity from the rest-frame far-UV to near-IR emission for each ETG. The superior spatial resolution of the HST over this panchromatic baseline allows us to classify the ETGs by their small-scale internal structures, as well as their local environment. By fitting stellar population spectral templates to the broadband photometry of the ETGs, we determine that the average masses of the ETGs are comparable to the characteristic stellar mass of massive galaxies, 10 <M [M ]
Original languageEnglish
Article number4
Number of pages20
JournalAstrophysical Journal, Supplement Series
Volume199
Issue number1
DOIs
Publication statusPublished - 1 Mar 2012

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