J/ApJ/875/80ivo://CDS.VizieR/J/ApJ/875/80doi:10.26093/cds/vizier.18750080CDSGim H.B.Yun M.S.Owen F.N.Momjian E.Miller N.A.Giavalisco M.,Wilson G.Lowenthal J.D.Aretxaga I.Hughes D.H.Morrison G.E.,Kawabe R.2022-09-02T08:46:18Z2020-10-09T13:34:54ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.frradio-sourcessurveysinterferometryradio-continuum-emissionWe present the first results from the deep and wide 5GHz radio observations of the Great Observatories Origins Deep Survey (GOODS)-North ({sigma}=3.5{mu}Jy/beam, synthesized beam size {theta}=1.47"x1.42", and 52 sources over 109arcmin^2^) and GOODS-South ({sigma}=3.0{mu}Jy/beam, {theta}=0.98"x0.45", and 88 sources over 190arcmin^2^) fields using the Karl G. Jansky Very Large Array. We derive radio spectral indices {alpha} between 1.4 and 5GHz using the beam-matched images and show that the overall spectral index distribution is broad even when the measured noise and flux bias are considered. We also find a clustering of faint radio sources around {alpha}=0.8, but only within S_5GHz_<150{mu}Jy. We demonstrate that the correct radio spectral index is important for deriving accurate rest-frame radio power and analyzing the radio-FIR correlation, and adopting a single value of {alpha}=0.8 leads to a significant scatter and a strong bias in the analysis of the radio-FIR correlation, resulting from the broad and asymmetric spectral index distribution. When characterized by specific star formation rates, the starburst population (58%) dominates the 5GHz radio source population, and the quiescent galaxy population (30%) follows a distinct trend in spectral index distribution and the radio-FIR correlation. Lastly, we offer suggestions on sensitivity and angular resolution for future ultra-deep surveys designed to trace the cosmic history of star formation and AGN activity using radio continuum as a probe.2019ApJ...875...80Ghttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/875/80CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/ApJ/554/803 : New VLA Sky Survey (NVSS) Cat of IRAS 2Jy Galaxies (Yun+ 2001)J/ApJ/586/794 : Multiwavelength luminosities of galaxies (Bell, 2003)J/AJ/127/3137 : Hawaii redshifts in the ACS-GOODS region (Cowie+, 2004)J/ApJS/155/271 : Chandra Deep Field-South: Opt. spectroscopy (Szokoly+, 2004)J/ApJS/155/73 : Photometric redshifts of X-ray sources in CDF-S (Zheng+, 2004)J/A+A/437/883 : K20 survey: spectroscopic catalogue (Mignoli+, 2005)J/A+A/457/517 : ATESP 5 GHz radio survey. I. (Prandoni+, 2006)J/A+A/451/457 : X-ray properties of AGN in CDFS (Tozzi+, 2006)J/ApJ/660/167 : Spitzer AGN candidates in CDFN (Donley+, 2007)J/ApJ/663/81 : SED of hard X-ray selected AGN in XMDS (Polletta+, 2007)J/A+A/465/1099 : Redshift catalog of 691 objects in CDFS (Ravikumar+, 2007)J/ApJ/689/687 : GOODS-N spectroscopic survey (Barger+, 2008)J/ApJS/179/71 : VLA survey of the CDF-S I. (Kellermann+, 2008)J/AJ/136/1889 : 20cm observations of deep Swire Field (Owen+, 2008)J/A+A/478/83 : GOODS-South Field VLT/FORS2 redshifts. III. (Vanzella+, 2008)J/MNRAS/397/281 : Radio imaging in Lockman Hole (Ibar+, 2009)J/AJ/138/1022 : Emission-line galaxies from HST PEARS survey (Straughn+, 2009)J/A+A/512/A12 : VLT/VIMOS spectroscopy in GOODS-South field (Balestra+, 2010)J/ApJS/188/178 : VLA 1.4GHz observations of GOODS-North field (Morrison+, 2010)J/ApJS/191/124 : Opt. spectroscopy of ECDF-S X-ray sources (Silverman+, 2010)J/ApJS/187/251 : Ultradeep Ks imaging in the GOODS-N (Wang+, 2010)J/ApJ/727/1 : IRAC/MUSYC SIMPLE survey (Damen+, 2011)J/A+A/533/A119 : GOODS-Herschel North and South catalogs (Elbaz+, 2011)J/A+A/532/A90 : PACS Evolutionary Probe (PEP-DR1) catalogs (Lutz+, 2011)J/A+A/528/A35 : Infrared luminosity in GOODS fields (Magnelli+, 2011)J/MNRAS/425/2116 : Arizona CDFS Environment Survey, ACES (Cooper+, 2012)J/ApJ/759/139 : Herschel+MIPS photom. of GOODS sources (Kirkpatrick+, 2012)J/MNRAS/421/1644 : 843MHz MOST ATLAS catalogue (Randall+, 2012)J/ApJS/203/24 : Structural param. of gal. in CANDELS (van der Wel+, 2012)J/MNRAS/436/3759 : ECDFS sources optical/IR counterparts (Bonzini+, 2013)J/A+A/549/A63 : GMASS photometry (Kurk+, 2013)J/ApJS/205/13 : VLA 1.4GHz survey of ECDF-S (DR2) (Miller+, 2013)J/ApJS/214/24 : 3D-HST+CANDELS catalog (Skelton+, 2014)J/MNRAS/454/952 : Chandra Deep Field-South ATLAS 5.5GHz DR2 (Huynh+, 2015)J/AJ/149/178 : Redshift cat. of gal. in GOODS-South field (Morris+, 2015)J/AJ/150/153 : Team Keck Redshift Survey 2 (TKRS2) (Wirth+, 2015)J/ApJS/225/27 : 3D-HST Survey: grism spectra master cat. (Momcheva+, 2016)J/ApJS/224/15 : Improved 2Ms and 250ks Chandra catalogs (Xue+, 2016)J/MNRAS/471/210 : eMERGE Survey. I. VLA 5.5GHz sources (Guidetti+, 2017)J/ApJS/228/2 : Chandra Deep Field-South survey: 7Ms sources (Luo+, 2017)J/A+A/602/A2 : VLA-COSMOS 3 GHz Large Project. II. (Smolcic+, 2017)J/ApJS/235/34 : Deep JVLA imaging of GOODS-N at 20cm (Owen, 2018)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/875/80https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/875/80http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/875/80https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/875/80https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/875/80http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/875/80GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/ApJ/875/80/table2 (5GHz flux densities and spectral indices of GOODS-N (GN) and GOODS-S (GS) radio sources)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/875/80/table2?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/875/80/table2?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/875/80/table2?GETtext/xml+votable180.050000true52.9984125-27.792463890.0055555555555555566/11252 359353.313034785154005e-24 3.313034785154005e-24https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJ/875/80?format=asciiRadiodefaultJ/ApJ/875/80/table25GHz flux densities and spectral indices of GOODS-N (GN) and GOODS-S (GS) radio sourcesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintIDRadio source identifier (<[GYO2019] GW-NNa> in Simbad)meta.id;meta.maincharRAJ2000[3/12] Hour of right ascension (J2000)pos.eq.ra;meta.maine_RAJ2000[0/0.3] RA uncertaintysstat.error;pos.eq.rafloatDEJ2000Degree of declination (J2000)pos.eq.dec;meta.maine_DEJ2000[0/0.22] DE uncertaintyarcsecstat.error;pos.eq.decfloatSpk[14.5/4030]? 5GHz peak flux densityuJy/beamphot.flux.density;em.radio.3-6GHzfloatnullablee_Spk[2.5/6.4]? Spk uncertaintyuJy/beamstat.errorfloatnullableSint[15/9339] 5GHz integrated flux density (1)uJyphot.flux.density;em.radio.3-6GHzfloate_Sint[2.9/78.7] Sint uncertaintyuJystat.errorfloatl_alphaUpper limit flag on alphameta.code.error;pos.eq.racharalpha[-0.86/1.65]? Radio spectral index (2)spect.indexfloatnullablee_alpha[0.001/0.2]? alpha uncertaintystat.error;pos.eq.rafloatnullable1.4GHzDisplay 1.4GHz data from Miller+, 2013, J/ApJS/205/13 (GS) or Owen+, 2008, J/ApJS/235/34 (GN) within 2.2"meta.ref.urlintnullableSimbadSimbad column added by the CDSmeta.ref.urlchar