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UltraVISTA: a new ultra-deep near-infrared survey in COSMOS

McCracken, H. J. and Milvang-Jensen, B. and Dunlop, J. and Franx, M. and Fynbo, J. P. U. and Le Fèvre, O. and Holt, J. and Caputi, K. I. and Goranova, Y. and Buitrago, F. and Emerson, J. P. and Freudling, W. and Hudelot, P. and López-Sanjuan, C. and Magnard, F. and Mellier, Y. and Møller, P. and Nilsson, K. K. and Sutherland, W. and Tasca, L. and Zabl, J. (2012) UltraVISTA: a new ultra-deep near-infrared survey in COSMOS. Astronomy and Astrophysics, 544 . Art. No. A156. ISSN 0004-6361. http://resolver.caltech.edu/CaltechAUTHORS:20150721-081450110

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Abstract

In this paper we describe the first data release of the UltraVISTA near-infrared imaging survey of the COSMOS field. We summarise the key goals and design of the survey and provide a detailed description of our data reduction techniques. We provide stacked, sky-subtracted images in YJHK_s and narrow-band filters constructed from data collected during the first year of UltraVISTA observations. Our stacked images reach 5σAB depths in an aperture of 2″ diameter of ~25 in Y and ~24 in JHK_s bands and all have sub-arcsecond seeing. To this 5σ limit, our K_s catalogue contains 216 268 sources. We carry out a series of quality assessment tests on our images and catalogues, comparing our stacks with existing catalogues. The 1σ astrometric rms in both directions for stars selected with 17.0 < K_s(AB) < 19.5 is ~0.08″ in comparison to the publicly-available COSMOS ACS catalogues. Our images are resampled to the same pixel scale and tangent point as the publicly available COSMOS data and so may be easily used to generate multi-colour catalogues using this data. All images and catalogues presented in this paper are publicly available through ESO’s “phase 3” archiving and distribution system and from the UltraVISTA web site.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1051/0004-6361/201219507DOIArticle
http://www.aanda.org/articles/aa/abs/2012/08/aa19507-12/aa19507-12.htmlPublisherArticle
http://arxiv.org/abs/1204.6586arXivDiscussion Paper
ORCID:
AuthorORCID
McCracken, H. J.0000-0002-9489-7765
Additional Information:© 2012 ESO. Article published by EDP Sciences. Received 30 April 2012; Accepted 22 June 2012; Published online 24 August 2012. H. J. McCracken acknowledges the use of TERAPIX computing facilities. This research has made use of the VizieR catalogue access tool provided by the CDS, Strasbourg, France. This research was supported by ANR grant “ANR-07-BLAN-0228”. J.P.U.F. and B.M.J. acknowledge support from the ERC-StG grant EGGS-278202. The Dark Cosmology Centre is funded by the Danish National Research Foundation. OLF, CSJ, LT acknowledge support from the ERC advanced grant ERC-2010-AdG-268107. J.H. acknowledges support from NWO. J.S.D. acknowledges the support of the Royal Society via a Wolfson Research Merit award, and also the support of the European Research Council via the award of an Advanced Grant. The UltraVISTA team would like to thank ESO staff for scheduling and making the UltraVISTA observations, and the Cambridge Astronomy Survey Unit for providing us with pre-preprocessed UltraVISTA images. E. Bertin is thanked for useful discussions concerning the data reductions presented here. Based on data products from observations made with ESO Telescopes at the La Silla Paranal Observatory under ESO programme ID 179.A-2005 and on data products produced by TERAPIX and the Cambridge Astronomy Survey Unit on behalf of the UltraVISTA consortium.
Group:COSMOS
Funders:
Funding AgencyGrant Number
Agence Nationale pour la Recherche (ANR)ANR-07-BLAN-0228
European Research Council (ERC)EGGS-278202
Danish National Research Foundation (DNRF)UNSPECIFIED
European Research Council (ERC)ERC-2010-AdG-268107
Netherlands Organization for Scientific Research (NWO)UNSPECIFIED
Royal SocietyUNSPECIFIED
Subject Keywords:surveys – galaxies: general – galaxies: high-redshift – cosmology: observations – large-scale structure of Universe
Record Number:CaltechAUTHORS:20150721-081450110
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20150721-081450110
Official Citation:H. J. McCracken, B. Milvang-Jensen, J. Dunlop, M. Franx, J. P. U. Fynbo, O. Le Fèvre, J. Holt, K. I. Caputi, Y. Goranova, F. Buitrago, J. P. Emerson, W. Freudling, P. Hudelot, C. López-Sanjuan, F. Magnard, Y. Mellier, P. Møller, K. K. Nilsson, W. Sutherland, L. Tasca and J. Zabl A&A 544 A156 (2012) DOI: http://dx.doi.org/10.1051/0004-6361/201219507
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:58955
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:22 Jul 2015 15:31
Last Modified:22 Jul 2015 15:31

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