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  1. OA@INAF
  2. PRODOTTI RICERCA INAF
  3. 1 CONTRIBUTI IN RIVISTE (Journal articles)
  4. 1.01 Articoli in rivista
Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/28097
Title: The Chandra Deep Field South as a test case for Global Multi Conjugate Adaptive Optics
Authors: PORTALURI, ELISA 
VIOTTO, VALENTINA 
RAGAZZONI, Roberto 
GULLIEUSZIK, MARCO 
BERGOMI, Maria 
GREGGIO, DAVIDE 
BIONDI, FEDERICO 
DIMA, MARCO 
MAGRIN, DEMETRIO 
FARINATO, JACOPO 
Issue Date: 2017
Journal: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 
Number: 466
Issue: 3
First Page: 3569
Abstract: The era of the next generation of giant telescopes requires not only the advent of new technologies but also the development of novel methods, in order to exploit fully the extraordinary potential they are built for. Global Multi Conjugate Adaptive Optics (GMCAO) pursues this approach, with the goal of achieving good performance over a field of view of a few arcmin and an increase in sky coverage. In this article, we show the gain offered by this technique to an astrophysical application, such as the photometric survey strategy applied to the Chandra Deep Field South as a case study. We simulated a close-to-real observation of a 500 × 500 arcsec<SUP>2</SUP> extragalactic deep field with a 40-m class telescope that implements GMCAO. We analysed mock K-band images of 6000 high-redshift (up to z = 2.75) galaxies therein as if they were real to recover the initial input parameters. We attained 94.5 per cent completeness for source detection with SEXTRACTOR. We also measured the morphological parameters of all the sources with the two-dimensional fitting tools GALFIT. The agreement we found between recovered and intrinsic parameters demonstrates GMCAO as a reliable approach to assist extremely large telescope (ELT) observations of extragalactic interest.
URI: http://hdl.handle.net/20.500.12386/28097
URL: https://academic.oup.com/mnras/article/466/3/3569/2957433
ISSN: 0035-8711
DOI: 10.1093/mnras/stw3214
Bibcode ADS: 2017MNRAS.466.3569P
Fulltext: open
Appears in Collections:1.01 Articoli in rivista

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