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          Institute: MPI für Astronomie     Collection: Publikationen_mpia     Display Documents

ID: 606562.0, MPI für Astronomie / Publikationen_mpia
CANDELS: the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey—the Hubble Space Telescope observations, imaging data products, and mosaics
Authors:Koekemoer, A. M.; Faber, S. M.; Ferguson, H. C.; Grogin, N. A.; Kocevski, D. D.; Koo, D. C.; Lai, K.; Lotz, J. M.; Lucas, R. A.; McGrath, E. J.; Ogaz, S.; Rajan, A.; Riess, A. G.; Rodney, S. A.; Strolger, L.; Casertano, S.; Castellano, M.; Dahlen, T.; Dickinson, M.; Dolch, T.; Fontana, A.; Giavalisco, M.; Grazian, A.; Guo, Y.; Hathi, N. P.; Huang, K.-H.; van der Wel, A.; Yan, H.-J.; Acquaviva, V.; Alexander, D. M.; Almaini, O.; Ashby, M. L. N.; Barden, M.; Bell, E. F.; Bournaud, F.; Brown, T. M.; Caputi, K. I.; Cassata, P.; Challis, P. J.; Chary, R.-R.; Cheung, E.; Cirasuolo, M.; Conselice, C. J.; Roshan Cooray, A.; Croton, D. J.; Daddi, E.; Davé, R.; de Mello, D. F.; de Ravel, L.; Dekel, A.; Donley, J. L.; Dunlop, J. S.; Dutton, A. A.; Elbaz, D.; Fazio, G. G.; Filippenko, A. V.; Finkelstein, S. L.; Frazer, C.; Gardner, J. P.; Garnavich, P. M.; Gawiser, E.; Gruetzbauch, R.; Hartley, W. G.; Häussler, B.; Herrington, J.; Hopkins, P. F.; Huang, J.-S.; Jha, S. W.; Johnson, A.; Kartaltepe, J. S.; Khostovan, A. A.; Kirshner, R. P.; Lani, C.; Lee, K.-S.; Li, W.; Madau, P.; McCarthy, P. J.; McIntosh, D. H.; McLure, R. J.; McPartland, C.; Mobasher, B.; Moreira, H.; Mortlock, A.; Moustakas, L. A.; Mozena, M.; Nandra, K.; Newman, J. A.; Nielsen, J. L.; Niemi, S.; Noeske, K. G.; Papovich, C. J.; Pentericci, L.; Pope, A.; Primack, J. R.; Ravindranath, S.; Reddy, N. A.; Renzini, A.; Rix, H.-W.; Robaina, A. R.; Rosario, D. J.
Date of Publication (YYYY-MM-DD):2011
Journal Abbrev.:The Astrophysical Journal Supplement Series
Issue / Number:2
Audience:Not Specified
Abstract / Description:This paper describes the Hubble Space Telescope imaging data products and data reduction procedures for the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS). This survey is designed to document the evolution of galaxies and black holes at z ≈ 1.5-8, and to study Type Ia supernovae at z > 1.5. Five premier multi-wavelength sky regions are selected, each with extensive multi-wavelength observations. The primary CANDELS data consist of imaging obtained in the Wide Field Camera 3 infrared channel (WFC3/IR) and the WFC3 ultraviolet/optical channel, along with the Advanced Camera for Surveys (ACS). The CANDELS/Deep survey covers ~125 arcmin2 within GOODS-N and GOODS-S, while the remainder consists of the CANDELS/Wide survey, achieving a total of ~800 arcmin2 across GOODS and three additional fields (Extended Groth Strip, COSMOS, and Ultra-Deep Survey). We summarize the observational aspects of the survey as motivated by the scientific goals and present a detailed description of the data reduction procedures and products from the survey. Our data reduction methods utilize the most up-to-date calibration files and image combination procedures. We have paid special attention to correcting a range of instrumental effects, including charge transfer efficiency degradation for ACS, removal of electronic bias-striping present in ACS data after Servicing Mission 4, and persistence effects and other artifacts in WFC3/IR. For each field, we release mosaics for individual epochs and eventual mosaics containing data from all epochs combined, to facilitate photometric variability studies and the deepest possible photometry. A more detailed overview of the science goals and observational design of the survey are presented in a companion paper.
Free Keywords:cosmology: observations; galaxies: high-redshift
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Astronomie
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