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The Hubble Space Telescope Wide Field Camera 3 Early Release Science data: Panchromatic Faint Object Counts from 0.2-2 microns wavelength | | Rogier A. Windhorst
; Seth H. Cohen
; Nimish P. Hathi
; Patrick J. McCarthy
; Russell E. Ryan, Jr.
; Haojing Yan
; Ivan K. Baldry
; Simon P. Driver
; Jay A. Frogel
; David T. Hill
; Lee S. Kelvin
; Anton M. Koekemoer
; Matt Mechtley
; Robert W. O'Connell
; Aaron S. G. Robotham
; Michael J. Rutkowski
; Mark Seibert
; Richard J. Tuffs
; Bruce Balick
; Howard E. Bond
; Howard Bushouse
; Daniela Calzetti
; Mark Crockett
; Michael J. Disney
; Michael A. Dopita
; Donald N. B. Hall
; Jon A. Holtzman
; Sugata Kaviraj
; Randy A. Kimble
; John W. MacKenty
; Max Mutchler
; Francesco Paresce
; Abihit Saha
; Joseph I. Silk
; John Trauger
; Alistair R. Walker
; Bradley C. Whitmore
; Erick Young
; | | Date: |
16 May 2010 | | Abstract: | We describe the Hubble Space Telescope (HST) Wide Field Camera 3 (WFC3) Early
Release Science (ERS) observations in the Great Observatories Origins Deep
Survey (GOODS) South field. The new WFC3 ERS data provide calibrated, drizzled
mosaics in the mid-UV filters F225W, F275W, and F336W, as well as in the
near-IR filters F098W (Ys), F125W (J), and F160W (H) in 1-2 HST orbits per
filter. Together with the existing HST Advanced Camera for Surveys (ACS)
GOODS-South mosaics in the BVi’z’ filters, these panchromatic 10-band ERS data
cover 40-50 square arcmin from from 0.2-1.7 mum in wavelength at 0arcspt
07-0arcspt 15 FWHM resolution and 0arcspt 090 multidrizzled pixels to depths
of ABcle 26.0-27.0 mag (5-sigma) for point sources, and ABcle 25.5-26.5 mag
for compact galaxies.
In this paper, we describe: a) the scientific rationale, and the data taking
plus reduction procedures of the panchromatic 10-band ERS mosaics; b) the
procedure of generating object catalogs across the 10 different ERS filters,
and the specific star-galaxy separation techniques used; and c) the reliability
and completeness of the object catalogs from the WFC3 ERS mosaics. The
excellent 0arcspt 07-0arcspt 15 FWHM resolution of HST/WFC3 and ACS makes
star-galaxy separation rather straightforward over a factor of 10 in wavelength
to ABcle 25-26 mag from the UV to the near-IR, respectively. | | Source: | arXiv, 1005.2776 | | Services: | Forum | Review | PDF | Favorites | |
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