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HDUV: The Hubble Deep UV Legacy Survey

Abstract : We present the Hubble Deep UV Legacy Survey (HDUV), a 132-orbit imaging program with the WFC3/UVIS camera on board the Hubble Space Telescope (HST). The HDUV extends and builds on the few previous UV imaging surveys in the two GOODS/CANDELS-Deep fields to provide deep images over a total area of ∼100 arcmin2 in the two filters F275W and F336W. Our release also includes all the F275W imaging data taken by the CANDELS survey, which were aligned using a novel approach and combined with the HDUV survey data. By reaching depths of 27.5-28.0 mag (5σ in 0.″4 apertures), these are the deepest high-resolution UV data over such a large area taken to date. Such unique UV imaging enables a wide range of science by the community. A few of the main goals of the HDUV survey are as follows: (1) to provide a complete sample of faint star-forming galaxies at z ∼ 1-3 (2) to constrain the ionizing photon escape fraction from galaxies at z ∼ 2-3 and (3) to track the build-up of bulges and the disappearance of clumpy disk galaxies through reliable internal stellar population properties at sub-kiloparsec resolution out to z ∼ 3. The addition of the HDUV data further enhances the legacy value of the two GOODS/CANDELS-Deep fields, which now include deep 11-band HST imaging, as well as very deep ancillary data from X-ray to radio, enabling unique multi-wavelength studies. Here, we provide an overview of the survey design, describe the data reduction, and highlight a few basic analyses of the images that are available to the community as high-level science products, via the Mikulski Archive for Space Telescopes.

Based on observations made with the NASA/ESA Hubble Space Telescope, obtained from the data archive at the Space Telescope Science Institute (STScI). STScI is operated by the Association of Universities for Research in Astronomy, Inc. under NASA contract NAS 5-26555. The data are available from the Mikulski Archive for Space Telescopes (MAST) at doi:10.17909/T90T2N.

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Submitted on : Monday, August 8, 2022 - 3:36:40 PM
Last modification on : Tuesday, August 9, 2022 - 3:45:02 AM

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P. A. Oesch, M. Montes, N. Reddy, R. J. Bouwens, G. D. Illingworth, et al.. HDUV: The Hubble Deep UV Legacy Survey. The Astrophysical Journal Supplement Series, 2018, 237, ⟨10.3847/1538-4365/aacb30⟩. ⟨insu-03747691⟩

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