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Deep blank-field catalogue for medium- and large-sized telescopes



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Jiménez Esteban, F. M. and Cabrera Lavers, A. and Cardiel López, Nicolás and Alacid, J. M. (2012) Deep blank-field catalogue for medium- and large-sized telescopes. Monthly notices of the Royal Astronomical Society, 427 (1). pp. 679-687. ISSN 0035-8711

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Official URL: http://dx.doi.org/10.1111/j.1365-2966.2012.21883.x


The observation of blank fields, defined as regions of the sky that are devoid of stars down to a given threshold magnitude, constitutes one of the most relevant calibration procedures required for the proper reduction of astronomical data obtained following typical observing strategies. In this work, we have used Delaunay triangulation to search for deep blank fields throughout the whole sky, with a minimum size of 10 arcmin in diameter and an increasing threshold magnitude from 15 to 18 in the R band of the USNO-B Catalog of the United States Naval Observatory. The result is a catalogue with the deepest blank fields known so far. A short sample of these regions has been tested with the 10.4-m Gran Telescopio Canarias, and it has been shown to be extremely useful for medium- and large-sized telescopes. Because some of the regions found could also be suitable for new extragalactic studies, we have estimated the galactic extinction in the direction of each deep blank field. This catalogue is accessible through the virtual observatory tool TESELA, and the user can retrieve and visualize using aladin the deep blank fields available near a given position in the sky.

Item Type:Article
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This article has been accepted for publication in Monthly notices of the Royal Astronomical Society © 2012 The Authors Monthly Notices of the Royal Astronomical Society © 2012 RAS Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved. This work was partially funded by the Spanish MICINN under the Consolider-Ingenio 2010 Program grant CSD2006-00070: First Science with the GTC. This work was also supported by the Spanish Programa Nacional de Astronomia y Astrofisica under grants AyA2011-24052 and AYA2009-10368, and by AstroMadrid under project CAM S2009/ESP-1496. This work is based on observations made with the GTC, installed at the ORM. This work has made use of ALADIN developed at the Centre de Donnees Astronomiques de Strasbourg, France. This research has made use of the NASA/IPAC Infrared Science Archive, which is operated by the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration.

Uncontrolled Keywords:USNO-B Catalog
Subjects:Sciences > Physics > Astrophysics
Sciences > Physics > Astronomy
Sciences > Physics > Atmospheric physics
ID Code:27818
Deposited On:19 Dec 2014 10:42
Last Modified:10 Dec 2018 15:05

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