2016A&A...592A..10S


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.09CEST17:04:32

2016A&A...592A..10S - Astronomy and Astrophysics, volume 592A, 10-10 (2016/8-1)

The XXL Survey. XI. ATCA 2.1 GHz continuum observations.

SMOLCIC V., DELHAIZE J., HUYNH M., BONDI M., CILIEGI P., NOVAK M., BARAN N., BIRKINSHAW M., BREMER M.N., CHIAPPETTI L., FERRARI C., FOTOPOULOU S., HORELLOU C., McGEE S.L., PACAUD F., PIERRE M., RAYCHAUDHURY S., ROTTGERING H. and VIGNALI C.

Abstract (from CDS):

We present 2.1GHz imaging with the Australia Telescope Compact Array (ATCA) of a 6.5deg2 region within the XXM-Newton XXL South field using a band of 1.1-3.1GHz. We achieve an angular resolution of 4.7''x4.2'' in the final radio continuum map with a median rms noise level of 50 µJy/beam. We identify 1389 radio sources in the field with peak S/N≥5 and present the catalogue of observed parameters. We find that 305 sources are resolved, of which 77 consist of multiple radio components. These number counts are in agreement with those found for the COSMOS-VLA 1.4GHz survey. We derive spectral indices by a comparison with the Sydney University Molongolo Sky Survey (SUMSS) 843MHz data. We find an average spectral index of -0.78 and a scatter of 0.28, in line with expectations. This pilot survey was conducted in preparation for a larger ATCA program to observe the full 25deg2 southern XXL field. When complete, the survey will provide a unique resource of sensitive, wide-field radio continuum imaging with complementary X-ray data in the field. This will facilitate studies of the physical mechanisms of radio-loud and radio-quiet AGNs and galaxy clusters, and the role they play in galaxy evolution. The source catalogue is publicly available online via the XXL Master Catalogue browser and the Centre de Donnees astronomiques de Strasbourg (CDS).

Abstract Copyright: © ESO, 2016

Journal keyword(s): radio continuum: galaxies - X-rays: galaxies - surveys - galaxies: evolution - galaxies: clusters: general

VizieR on-line data: <CDS Catalogue: IX/49>

Nomenclature: xxl_atca.dat: XXL-ATCA JHHMMSS.s+DDMMSS N=1389.

Status at CDS:   All or part of tables of objects will be ingested in SIMBAD with priority 1.

Simbad objects: 3

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Number of rows : 3

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 NAME COSMOS Field reg 10 00 28.60 +02 12 21.0           ~ 2069 0
2 ICRF J193925.0-634245 Sy2 19 39 25.02671 -63 42 45.6255   18.87 18.37 17.64   ~ 954 1
3 QSO B2333-528 Bz? 23 36 12.14451 -52 36 21.9504   18.8       ~ 67 1

    Equat.    Gal    SGal    Ecl

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2020.07.09-17:04:32

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