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Title:
A Southern-Sky Total Intensity Source Catalogue at 2.3 GHz from S-Band Polarisation All-Sky Survey Data
Authors:
Meyers, B. W.; Hurley-Walker, N.; Hancock, P. J.; Franzen, T. M. O.; Carretti, E.; Staveley-Smith, L.; Gaensler, B. M.; Haverkorn, M.; Poppi, S.
Affiliation:
AA(International Centre for Radio Astronomy Research (ICRAR), Curtin University, Bentley, WA 6102, Australia; ARC Centre of Excellence for All-Sky Astrophysics (CAASTRO); CSIRO Astronomy and Space Science, P.O. Box 76, Epping, New South Wales 1710, Australia 0000-0001-8845-1225), AB(International Centre for Radio Astronomy Research (ICRAR), Curtin University, Bentley, WA 6102, Australia 0000-0002-5119-4808), AC(International Centre for Radio Astronomy Research (ICRAR), Curtin University, Bentley, WA 6102, Australia; ARC Centre of Excellence for All-Sky Astrophysics (CAASTRO) 0000-0002-4203-2946), AD(International Centre for Radio Astronomy Research (ICRAR), Curtin University, Bentley, WA 6102, Australia 0000-0001-6449-9611), AE(CSIRO Astronomy and Space Science, P.O. Box 76, Epping, New South Wales 1710, Australia; INAF/Osservatorio Astronomico di Cagliari, Via della Scienza 5, I-09047 Selargius, Italy 0000-0002-3973-8403), AF(ARC Centre of Excellence for All-Sky Astrophysics (CAASTRO); International Centre for Radio Astronomy Research (ICRAR), The University of Western Australia, Crawley, WA 6009, Australia 0000-0002-8057-0294), AG(ARC Centre of Excellence for All-Sky Astrophysics (CAASTRO); Dunlap Institute for Astronomy and Astrophysics, 50 St. George St, University of Toronto, ON M5S 3H4, Canada 0000-0002-3382-9558), AH(Department of Astrophysics/IMAPP, Radboud University Nijmegen, PO Box 9010, 6500 GL Nijmegen, the Netherlands; Leiden Observatory, Leiden University, PO Box 9513, 2300 RA Leiden, the Netherlands), AI(INAF/Osservatorio Astronomico di Cagliari, Via della Scienza 5, I-09047 Selargius, Italy 0000-0002-4698-2607)
Publication:
Publications of the Astronomical Society of Australia, Volume 34, id.e013 10 pp. (PASA Homepage)
Publication Date:
03/2017
Origin:
CUP
Astronomy Keywords:
catalogs, surveys, radio continuum: general
Abstract Copyright:
2017: Astronomical Society of Australia
DOI:
10.1017/pasa.2017.5
Bibliographic Code:
2017PASA...34...13M

Abstract

The S-band Polarisation All-Sky Survey has observed the entire southern sky using the 64-m Parkes radio telescope at 2.3 GHz with an effective bandwidth of 184 MHz. The surveyed sky area covers all declinations delta <= 0°. To analyse compact sources, the survey data have been re-processed to produce a set of 107 Stokes I maps with 10.75 arcmin resolution and the large scale emission contribution filtered out. In this paper, we use these Stokes I images to create a total intensity southern-sky extragalactic source catalogue at 2.3 GHz. The source catalogue contains 23 389 sources and covers a sky area of 16 600 deg2, excluding the Galactic plane for latitudes |b| < 10°. Approximately, 8% of catalogued sources are resolved. S-band Polarisation All-Sky Survey source positions are typically accurate to within 35 arcsec. At a flux density of 225 mJy, the S-band Polarisation All-Sky Survey source catalogue is more than 95% complete, and 94% of S-band Polarisation All-Sky Survey sources brighter than 500 mJy beam-1 have a counterpart at lower frequencies.

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