CANDELS: The Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey - The Hubble Space Telescope Observations, Imaging Data Products and Mosaics
Anton M. Koekemoer, S. M. Faber, Henry C. Ferguson, Norman A. Grogin,, Dale D. Kocevski, David C. Koo, Kamson Lai, Jennifer M. Lotz, Ray A. Lucas,, Elizabeth J. McGrath, Sara Ogaz, Abhijith Rajan, Adam G. Riess, Steve A., Rodney, Louis Strolger, Stefano Casertano

TL;DR
This paper details the data products, reduction procedures, and mosaics from the CANDELS survey, which uses Hubble Space Telescope imaging to study galaxy and black hole evolution at high redshifts.
Contribution
It provides a comprehensive description of the HST imaging data, reduction techniques, and data products for the first large-scale near-infrared extragalactic survey, enabling future scientific analyses.
Findings
High-quality mosaics for multiple fields released
Advanced correction methods for instrumental effects implemented
Extensive multi-wavelength imaging data available for galaxy evolution studies
Abstract
This paper describes the Hubble Space Telescope imaging data products and data reduction procedures for the Cosmic Assembly Near-IR Deep Extragalactic Legacy Survey (CANDELS). This survey is designed to document the evolution of galaxies and black holes at , and to study Type Ia SNe beyond . Five premier multi-wavelength sky regions are selected, each with extensive multiwavelength observations. The primary CANDELS data consist of imaging obtained in the Wide Field Camera 3 / infrared channel (WFC3/IR) and UVIS channel, along with the Advanced Camera for Surveys (ACS). The CANDELS/Deep survey covers \sim125 square arcminutes within GOODS-N and GOODS-S, while the remainder consists of the CANDELS/Wide survey, achieving a total of \sim800 square arcminutes across GOODS and three additional fields (EGS, COSMOS, and UDS). We summarize the observational aspects of the…
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