SuperCLASS – II. Photometric redshifts and characteristics of spatially resolved μJy radio sources
SuperCLASS – II. Photometric redshifts and characteristics of spatially resolved μJy radio sources
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SuperCLASS – II。
DOI:
10.1093/mnras/staa657
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发表时间:
2020
影响因子:
4.8
通讯作者:
Drew, Patrick
中科院分区:
文献类型:
--
作者:
Manning, Sinclaire M;Casey, Caitlin M;Hung, Chao-Ling;Battye, Richard;Brown, Michael L;Jackson, Neal;Abdalla, Filipe;Chapman, Scott;Demetroullas, Constantinos;Drew, Patrick
We present optical and near-infrared imaging covering a ∼1.53 deg2region in the Super-Cluster Assisted Shear Survey (SuperCLASS) field, which aims to make the first robust weak lensing measurement at radio wavelengths. We derive photometric redshifts for ≈176 000 sources down toand present photometric redshifts for 1.4 GHz expanded Multi-Element Radio Linked Interferometer Network (e-MERLIN) and Karl G. Jansky Very Large Array (VLA) detected radio sources found in the central 0.26 deg2. We compile an initial catalogue of 149 radio sources brighter than S1.4> 75μJy and find their photometric redshifts span 0 <zphot< 4 with radio luminosities between 1021and 1025W Hz−1, with medians ofandW Hz−1, respectively. We find 95 per cent of theμJy radio source sample (141/149) have spectral energy distributions (SEDs) best fit by star-forming templates while 5 per cent (8/149) are better fit by active galactic nuclei (AGN). Spectral indices are calculated for sources with radio observations from the VLA and Giant Metrewave Radio Telescope (GMRT) at 325 MHz, with an average spectral slope of α = 0.59 ± 0.04. Using the full photometric redshift catalogue, we construct a density map at the redshift of the known galaxy clusters,z= 0.20 ± 0.08. Four of the five clusters are prominently detected atin the density map and we confirm the photometric redshifts are consistent with previously measured spectra from a few galaxies at the cluster centres.
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DOI:
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发表时间:
2002
期刊:
影响因子:
--
作者:
M. Nagashima;Y. Yoshii;T. Totani;N. Gouda
通讯作者:
N. Gouda
DOI:
10.3847/0067-0049/224/2/24
发表时间:
2016-04
期刊:
The Astrophysical Journal Supplement Series
影响因子:
--
作者:
C. Laigle;H. McCracken;O. Ilbert;B. Hsieh;I. Davidzon;P. Capak;G. Hasinger;J. Silverman;C. Pi
通讯作者:
C. Laigle;H. McCracken;O. Ilbert;B. Hsieh;I. Davidzon;P. Capak;G. Hasinger;J. Silverman;C. Pi
DOI:
--
发表时间:
2021
期刊:
影响因子:
--
作者:
S. Jouvel;J. Kneib;O. Ilbert;G. Bernstein;S. Arnouts;T. Dahlén;A. Ealet;B. Milliard;H. Aussel;P.;Capak;A. Koekemoer;V. Brun;H. McCracken;M. Salvato;N. Scoville
通讯作者:
N. Scoville
DOI:
10.1086/509102
发表时间:
2006
期刊:
The Astrophysical Journal
影响因子:
--
作者:
A. Barger;A. Barger;L. Cowie;Wei
通讯作者:
Wei
DOI:
10.1086/345980
发表时间:
2002
期刊:
The Astrophysical Journal
影响因子:
--
作者:
S. Chapman;A. Barger;A. Barger;L. Cowie;D. Scott;C. Borys;P. Capak;E. Fomalont;G. F. Lewis;E. Richards;A. Steffen;Gillian Wilson;Min S. Yun
通讯作者:
Min S. Yun