Matches in SemOpenAlex for { <https://semopenalex.org/work/W3102303477> ?p ?o ?g. }
- W3102303477 endingPage "A38" @default.
- W3102303477 startingPage "A38" @default.
- W3102303477 abstract "Context. The Australia Telescope Large Area Survey (ATLAS) aims to image a 7 deg2 region centred on the European Large Area ISO Survey - South 1 (ELAIS-S1) field and the Chandra Deep Field South (CDF-S) at 1.4 GHz with high sensitivity (up to ~10 muJy) to study the evolution of star-forming galaxies (SFGs) and Active Galactic Nuclei (AGN) over a wide range of cosmic time. Aims. We present here ancillary radio observations at a frequency of 2.3 GHz obtained with the Australia Telescope Compact Array (ATCA). The main goal of this is to study the radio spectra of an unprecedented large sample of sources (~2000 observed, ~600 detected in both frequencies). Methods. With this paper, we provide 2.3 GHz source catalogues for both ATLAS fields, with a detection limit of 300 muJy. We compute spectral indices between 1.4 GHz and 2.3 GHz using matched resolution images and investigate various properties of our source sample in dependence of their spectral indices. Results. We find the entire source sample to have a median spectral index of 0.74, in good agreement with both the canonical value of 0.7 for optically thin synchrotron radiation and other spectral index studies conducted by various groups. Regarding the radio spectral index as indicator for source type, we find only marginal correlations so that flat or inverted spectrum sources are usually powered by AGN and hence conclude that at least for the faint population the spectral index is not a strong discriminator. We investigate relation between spectral index and redshift for our source sample and find no such correlation at all. We do find a significant correlation between redshift and radio to near-infrared flux ratio, making this a much stronger tracer of high-z radio sources. We also find no evidence for a dependence of the radio-IR correlation on spectral index." @default.
- W3102303477 created "2020-11-23" @default.
- W3102303477 creator A5006560423 @default.
- W3102303477 creator A5037561002 @default.
- W3102303477 creator A5048760961 @default.
- W3102303477 creator A5053073376 @default.
- W3102303477 creator A5072597432 @default.
- W3102303477 creator A5083422753 @default.
- W3102303477 date "2012-07-23" @default.
- W3102303477 modified "2023-10-06" @default.
- W3102303477 title "The Australia Telescope Large Area Survey: 2.3 GHz observations of ELAIS-S1 and CDF-S" @default.
- W3102303477 cites W1811619856 @default.
- W3102303477 cites W1966667130 @default.
- W3102303477 cites W1970270064 @default.
- W3102303477 cites W1973597852 @default.
- W3102303477 cites W1991610844 @default.
- W3102303477 cites W1997779216 @default.
- W3102303477 cites W2004944546 @default.
- W3102303477 cites W2008172283 @default.
- W3102303477 cites W2017378969 @default.
- W3102303477 cites W2020456893 @default.
- W3102303477 cites W2023619966 @default.
- W3102303477 cites W2026533788 @default.
- W3102303477 cites W2030318484 @default.
- W3102303477 cites W2038328108 @default.
- W3102303477 cites W2046695014 @default.
- W3102303477 cites W2048335231 @default.
- W3102303477 cites W2052937506 @default.
- W3102303477 cites W2066202006 @default.
- W3102303477 cites W2073098741 @default.
- W3102303477 cites W2073285288 @default.
- W3102303477 cites W2075102510 @default.
- W3102303477 cites W2081158559 @default.
- W3102303477 cites W2081906145 @default.
- W3102303477 cites W2083419875 @default.
- W3102303477 cites W2083926507 @default.
- W3102303477 cites W2088903013 @default.
- W3102303477 cites W2089672170 @default.
- W3102303477 cites W2094037087 @default.
- W3102303477 cites W2094362293 @default.
- W3102303477 cites W2102519805 @default.
- W3102303477 cites W2104139738 @default.
- W3102303477 cites W2109104929 @default.
- W3102303477 cites W2110294314 @default.
- W3102303477 cites W2115755916 @default.
- W3102303477 cites W2133070660 @default.
- W3102303477 cites W2135191464 @default.
- W3102303477 cites W2138204314 @default.
- W3102303477 cites W2138487987 @default.
- W3102303477 cites W2139376206 @default.
- W3102303477 cites W2145064916 @default.
- W3102303477 cites W2147875900 @default.
- W3102303477 cites W2148804397 @default.
- W3102303477 cites W2163082830 @default.
- W3102303477 cites W2171144488 @default.
- W3102303477 cites W2952520173 @default.
- W3102303477 cites W3099330425 @default.
- W3102303477 cites W3100778372 @default.
- W3102303477 cites W3101087325 @default.
- W3102303477 cites W3102662121 @default.
- W3102303477 cites W3102970349 @default.
- W3102303477 cites W3103022385 @default.
- W3102303477 cites W3104662021 @default.
- W3102303477 cites W3105673323 @default.
- W3102303477 cites W3121665562 @default.
- W3102303477 cites W3122796201 @default.
- W3102303477 cites W4298262474 @default.
- W3102303477 cites W4302604083 @default.
- W3102303477 doi "https://doi.org/10.1051/0004-6361/201219349" @default.
- W3102303477 hasPublicationYear "2012" @default.
- W3102303477 type Work @default.
- W3102303477 sameAs 3102303477 @default.
- W3102303477 citedByCount "16" @default.
- W3102303477 countsByYear W31023034772012 @default.
- W3102303477 countsByYear W31023034772013 @default.
- W3102303477 countsByYear W31023034772014 @default.
- W3102303477 countsByYear W31023034772015 @default.
- W3102303477 countsByYear W31023034772016 @default.
- W3102303477 countsByYear W31023034772018 @default.
- W3102303477 countsByYear W31023034772020 @default.
- W3102303477 countsByYear W31023034772021 @default.
- W3102303477 countsByYear W31023034772023 @default.
- W3102303477 crossrefType "journal-article" @default.
- W3102303477 hasAuthorship W3102303477A5006560423 @default.
- W3102303477 hasAuthorship W3102303477A5037561002 @default.
- W3102303477 hasAuthorship W3102303477A5048760961 @default.
- W3102303477 hasAuthorship W3102303477A5053073376 @default.
- W3102303477 hasAuthorship W3102303477A5072597432 @default.
- W3102303477 hasAuthorship W3102303477A5083422753 @default.
- W3102303477 hasBestOaLocation W31023034771 @default.
- W3102303477 hasConcept C121332964 @default.
- W3102303477 hasConcept C1276947 @default.
- W3102303477 hasConcept C144024400 @default.
- W3102303477 hasConcept C149923435 @default.
- W3102303477 hasConcept C166957645 @default.
- W3102303477 hasConcept C205649164 @default.
- W3102303477 hasConcept C2778246889 @default.
- W3102303477 hasConcept C2779343474 @default.