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The XXL Survey. XVIII. ATCA 2.1 GHz radio source catalogue and source counts for the XXL- South field (CROSBI ID 267345)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Butler, ; Andrew ; Huynh, Minh ; Delhaize, Jacinta ; Smolčić, Vernesa ; Kapińska, Anna ; Milaković, Dinko ; Novak, Mladen ; Baran, Nikola ; O'Brien, et al. The XXL Survey. XVIII. ATCA 2.1 GHz radio source catalogue and source counts for the XXL- South field // Astronomy & astrophysics, 620 (2018), A3, 17. doi: 10.1051/0004-6361/201630129

Podaci o odgovornosti

Butler, ; Andrew ; Huynh, Minh ; Delhaize, Jacinta ; Smolčić, Vernesa ; Kapińska, Anna ; Milaković, Dinko ; Novak, Mladen ; Baran, Nikola ; O'Brien, ; rew ; Chiappetti, Lucio ; Desai, Shantanu ; Fotopoulou, Sotiria ; Horellou, Cathy ; Lidman, Chris ; Pierre, Marguerite

engleski

The XXL Survey. XVIII. ATCA 2.1 GHz radio source catalogue and source counts for the XXL- South field

The 2.1 GHz radio source catalogue of the 25 deg^2 ultimate XMM extragalactic survey south (XXL-S) field, observed with the Australia Telescope Compact Array (ATCA), is presented. The final radio mosaic achieved a resolution of ~4.8’’ and a median rms noise of σ ≈ 41 μJy/beam. To date, this is the largest area radio survey to reach this flux density level. A total of 6350 radio components above 5σ are included in the component catalogue, 26.4% of which are resolved. Of these components, 111 were merged together to create 48 multiple- component radio sources, resulting in a total of 6287 radio sources in the source catalogue, 25.9% of which were resolved. A survival analysis revealed that the median spectral index of the Sydney University Molonglo Sky Survey (SUMSS) 843 MHz sources in the field is α = -0.75, consistent with the values of -0.7 to -0.8 commonly used to characterise radio spectral energy distributions of active galactic nuclei. The 2.1 GHz and 1.4 GHz differential radio source counts are presented and compared to other 1.4 GHz radio surveys. The XXL-S source counts show good agreement with the other surveys.

galaxies: general ; galaxies: evolution ; galaxies: active ; radio continuum: galaxies ; surveys ; catalogs

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Podaci o izdanju

620

2018.

A3

17

objavljeno

0004-6361

1432-0746

10.1051/0004-6361/201630129

Povezanost rada

Fizika

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