J/ApJ/934/26ivo://CDS.VizieR/J/ApJ/934/26doi:10.26093/cds/vizier.19340026CDSPatil P.Whittle M.Nyland K.Lonsdale C.Lacy M.Kimball A.E.,Lonsdale C.Peters W.Clarke T.E.Efstathiou A.Giacintucci S.,Kim M.Lanz L.Mukherjee D.Polisensky E.2024-11-06T20:26:26Z2024-07-30T12:06:40ZCDS support team

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

cds-question@unistra.frquasarsradio-spectroscopyredshiftedinfrared-sourcessurveysWe present radio spectra spanning 0.1-10GHz for the sample of heavily obscured luminous quasars with extremely red mid-infrared-optical colors and compact radio emission. The spectra are constructed from targeted 10GHz observations and archival radio survey data that together yield 6-11 flux-density measurements for each object. Our primary result is that most (62%) of the sample have peaked or curved radio spectra and many (37%) could be classified as Gigahertz-Peaked Spectrum (GPS) sources. This indicates compact emission regions likely arising from recently triggered radio jets. Assuming synchrotron self-absorption (SSA) generates the peaks, we infer compact source sizes (3-100pc) with strong magnetic fields (6-100mG) and young ages (30-104yr). Conversely, free-free absorption (FFA) could also create peaks due to the high column densities associated with the deeply embedded nature of the sample. However, we find no correlations between the existence or frequency of the peaks and any parameters of the MIR emission. The high-frequency spectral indices are steep ({alpha}~-1) and correlate, weakly, with the ratio of MIR photon energy density to magnetic energy density, suggesting that the spectral steepening could arise from inverse Compton scattering off the intense MIR photon field. This study provides a foundation for combining multifrequency and mixed-resolution radio survey data for understanding the impact of young radio jets on the ISM and star-formation rates of their host galaxies. faGithub2022ApJ...934...26Phttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/934/26CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toVIII/2 : Molonglo Reference Catalog of Radio Sources (Large+ 1981)VIII/42 : Texas Survey of radio sources at 365MHz (Douglas+ 1996)VIII/40 : GB6 catalog of radio sources (Gregory+ 1996)VIII/65 : 1.4GHz NRAO VLA Sky Survey (NVSS) (Condon+ 1998)VIII/78 : Sydney University Molonglo Sky Survey (SUMSS) (Mauch+ 2006)VIII/81 : Sydney University Molonglo Sky Survey (SUMSS V2.1) (Mauch+ 2008)VIII/97 : 74MHz VLA Low-frequency Sky Survey Redux (VLSSr) (Lane+, 2014)VIII/92 : The FIRST Survey Catalog, Version 2014Dec17 (Helfand+ 2015)VIII/100 : GaLactic and Extragalactic All-sky MWA survey (Hurley-Walker+, 2016)J/A+AS/124/259 : Westerbork Northern Sky Survey I. (Rengelink+ 1997)J/AJ/132/2409 : Deep ATLAS radio observations of CDFS (Norris+, 2006)J/MNRAS/406/197 : Ultra-steep sp. radio sources in SDSS (Bornancini+, 2010)J/MNRAS/402/2403 : Australia Telescope 20GHz Survey Cat., AT20G (Murphy+, 2010)J/MNRAS/439/545 : Infrared-faint radio sources catalog (Collier+, 2014)J/A+A/570/A55 : Spiderweb galaxy 870um & 1.4GHz images (Dannerbauer+, 2014)J/ApJ/813/45 : ALMA observations in z~0.5-3 quasars (Lonsdale+, 2015)J/ApJ/805/90 : WISE ELIRGs and comparison with QSOs (Tsai+, 2015)J/MNRAS/462/1910 : H-ATLAS NGP LOFAR radio catalogue (Hardcastle+, 2016)J/MNRAS/458/3786 : CSS and GPS radio sources sample (Jeyakumar, 2016)J/ApJ/836/174 : Extragal. peaked-spectrum radio sources (Callingham+, 2017)J/A+A/598/A78 : The GMRT 150MHz all-sky radio survey (Intema+, 2017)J/ApJS/230/7 : Spectral flux densities from 50MHz to 50GHz (Perley+, 2017)J/A+A/628/A56 : Extragalactic MHz Peaked Sources at mas scales (Keim+, 2019)J/A+A/622/A13 : VLA double-double radio galaxy cand. images (Mahatma+, 2019)J/A+A/622/A1 : LOFAR Two-metre Sky Survey DR1 source cat. (Shimwell+, 2019)J/MNRAS/494/923 : WISE properties of AGNs from the AT20G (Chhetri+, 2020)J/ApJ/896/18 : VLA imaging of obscured WISE+NVSS QSOs (Patil+, 2020)J/A+A/648/A104 : LOFAR LBA Sky Survey. I. (de Gasperin+, 2021)J/A+A/659/A1 : LOFAR Two-metre Sky Survey (LoTSS) DR2 (Shimwell+, 2022)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/934/26https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/934/26http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/934/26https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/934/26https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/934/26http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/934/26GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/ApJ/934/26/table3 (Radio spectral shape parameters and two-band spectral indices of our sample)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/934/26/table3?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/934/26/table3?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/934/26/table3?GETtext/xml+votable180.050000true0.149578.121440.0055555555555555566/54 180 361 863 1020 1097 1531 1587 1916 2301 2554 3839 4222 4770 5010 5020 5409 5495 6046 6162 6444 6700 6774 7042 7053 7128 7451 7743 8365 8397 8612 8763 9164 9173 9342 9638 10084 10119 10579 10834 10984-10985 11149 11700 12016 12099 12114 12130 12208 12658 12702 13495 13655 15240 16302 16538 17036 17111 17214 17313 18259 18283 18293 18381 18564 18627 18640 18716 18762 18793 18866 18956 19029 19085 19350 19679 20209 20382 20414 20509 20512 20640 20665 20678 20745 20840 20871 20882 21083 21121 21350 21456 21489 21778 22721 22785 23370 23413 23433 25674 25929 27016-27017 27259 27285 27340 28025 28045 28272 29364 29812 30080 30724 30806 30814 30931 30941 31011 31119 31408 32495 34259 34549 34656 34719 35769 35892 35901 36117 36209 39720 39727 39864 40338 40505 43389 43867 43904 44061 44277 44426 44537 44560 44606 45004 47019 47041 47478 47924 47966 48165 48241 48543 48620 486583.5780776607782883e-26 6.62606957030801e-24https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJ/934/26?format=asciiInfraredRadiodefaultJ/ApJ/934/26/table3Radio spectral shape parameters and two-band spectral indices of our sampleSimbadNameSimbad column added by the CDSmeta.idcharnullableIDSource identifier (JHHMM+DD); the abbreviated name in Patil+ 2020, J/ApJ/896/18meta.id;meta.maincharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintz[0.29/2.9]? Spectroscopic redshiftsrc.redshiftfloatnullableMorphThe 10GHz morphology (1)meta.notecharSpSpectral shape classmeta.notecharu_SpUncertainty flag on Spmeta.code.error;src.spTypecharalpha10-1.4[-2.2/0.51] NVSS 1.4GHz and VLA 10GHz spectral indexspect.indexfloate_alpha10-1.4[0.04/0.3] Uncertainty in alpha10-1.4stat.errorfloatl_alpha1.4-0.15Limit flag on alpha1.4-0.15meta.code.errorcharalpha1.4-0.15[-1.3/1.12]? TGSS 0.15GHz and NVSS 1.4GHz spectral indexspect.indexfloatnullablee_alpha1.4-0.15[0.04/0.3]? Uncertainty in alpha1.4-0.15stat.errorfloatnullablel_nuPeakLimit flag on nuPeakmeta.code.errorcharnuPeak[0.07/4.9]? The turnover frequencyGHzem.freqfloatnullablee_nuPeak[0.01/1.6]? Uncertainty in nuPeak (3)GHzstat.errorfloatnullableq[-0.91/0.34]? Best-fit value for curvature parameter in Equ 2 (3)stat.fit.paramfloatnullablee_q[0/0.2]? Uncertainty in qstat.errorfloatnullableSPeak[7.6/1250]? Peak flux densitymJyphot.flux.density;em.radiofloatnullablee_SPeak[0.3/338]? Uncertainty in SPeakmJystat.errorfloatnullablealphaHigh[-2.8/1]? High-frequency spectral index (4)spect.indexfloatnullablee_alphaHigh[0/0.6]? Uncertainty in alphaHighstat.errorfloatnullablealphaLow[-2.4/2.9]? Low-frequency spectral index (4)spect.indexfloatnullablee_alphaLow[0.01/5]? Uncertainty in alphaLowstat.errorfloatnullableQCQuality code (5)meta.code.qualcharReject?Source rejected from final sample (6)meta.codechar_RAPositions from WISE names in Paper II (Patil+ 2020, J/ApJ/896/18) (right ascension part)degpos.eq.ra;meta.main_DEPositions from WISE names in Paper II (Patil+ 2020, J/ApJ/896/18) (declination part)degpos.eq.dec;meta.mainJ/ApJ/934/26/fig17Radio spectra of our entire samplee_FTGSS[2.4/473]? Uncertainty in FTGSSmJystat.errorfloatnullableFWENSS[5/448]? WENSS 325MHz flux densitymJyphot.flux.density;em.radio.200-400MHzfloatnullablen_FGLEAMFGLEAM included in spectral modelingmeta.notecharFVLITE[25.4/1193]? VLITE 340MHz flux densitymJyphot.flux.density;em.radio.200-400MHzfloatnullablee_FVLITE[3.9/60]? Uncertainty in FVLITEmJystat.errorfloatnullablef_FVLITE[FALSE] Upper limit flag on FVLITEmeta.codecharn_FVLITE[TRUE] FVLITE included in spectral modelingmeta.notecharFMRC[700/1000]? MRC 408MHz flux densitymJyphot.flux.density;em.radio.200-400MHzintnullablerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintIDSource identifier (JHHMM+DD)meta.id;meta.maincharprimaryPdisplay the shape parameters for this source (link to Table 3)meta.ref.urlcharFNVSS[5/507] NVSS 1.4GHz flux densitymJyphot.flux.density;em.radio.750-1500MHzfloate_FNVSS[0.5/30] Uncertainty in FNVSSmJystat.errorfloatf_FNVSS[FALSE] Upper limit flag on FNVSSmeta.codecharn_FNVSS[TRUE] FNVSS included in spectral modelingmeta.notecharFTGSS[2.6/2291]? TGSS-ADR1 150MHz flux densitymJyphot.flux.density;em.radio.100-200MHzfloatnullablee_FWENSS[1.8/23]? Uncertainty in FWENSSmJystat.errorfloatnullablef_FWENSSUpper limit flag on FWENSSmeta.codecharn_FWENSSFWENSS included in spectral modelingmeta.notecharFVLASS[2/177]? VLASS S-band 3GHz flux densitymJyphot.flux.density;em.radio.1500-3000MHzfloatnullablee_FVLASS[0.4/36]? Uncertainty in FVLASSmJystat.errorfloatnullablef_FVLASS[FALSE] Upper limit flag on FVLASSmeta.codecharn_FVLASSFVLASS included in spectral modelingmeta.notecharFAX[0.15/46]? VLA A-array 10GHz flux density (1)mJyphot.flux.density;em.radio.6-12GHzfloatnullablee_FAX[0.01/1.4]? Uncertainty in FAXmJystat.errorfloatnullablef_FAX[FALSE] Upper limit flag on FAXmeta.codecharn_FAXFAX included in spectral modelingmeta.notecharFBX[0.13/61]? VLA B-array 10GHz flux density (1)mJyphot.flux.density;em.radio.6-12GHzfloatnullablee_FBX[0.02/6]? Uncertainty in FBXmJystat.errorfloatnullablef_FBX[FALSE] Upper limit flag on FBXmeta.codecharn_FBX[TRUE] FBX included in spectral modelingmeta.notecharFVCSS[10.7/1193]? VLITE Commensal Sky Survey 340MHz flux densitymJyphot.flux.density;em.radio.200-400MHzfloatnullablee_FVCSS[2.9/32]? Uncertainty in VFCSSmJystat.errorfloatnullablef_FVCSS[FALSE] Upper limit flag on FVCSSmeta.codecharn_FVCSS[FALSE] FVCSS included in spectral modelingmeta.notecharFRACS[6.7/524]? RACS 887.5MHz flux densitymJyphot.flux.density;em.radio.750-1500MHzfloatnullablee_FRACS[0.78/48]? Uncertainty in FRACSmJystat.errorfloatnullablef_FRACS[FALSE] Upper limit flag on FRACSmeta.codecharn_FRACS[TRUE] FRACS included in spectral modelingmeta.notecharFLOTSS[0.9/1264]? LOTSS 144MHz flux densitymJyphot.flux.density;em.radio.100-200MHzfloatnullablee_FLOTSS[0.07/64]? Uncertainty in FLOTSSmJystat.errorfloatnullablef_FLOTSS[FALSE] Upper limit flag on FLOTSSmeta.codecharn_FLOTSSFLOTSS included in spectral modelingmeta.notecharSI-AX[-3.2/1.5]? VLA A-array in-band spectral indexspect.indexfloatnullablee_SI-AX? Uncertainty in SI-AXstat.errorfloatnullablen_SI-AX[FALSE] SI-AX included in spectral modelingmeta.notecharSI-BX[-4/1.5]? VLA B-array in-band spectral indexspect.indexfloatnullablee_SI-BX? Uncertainty in SI-BXstat.errorfloatnullablen_SI-BXSI-BX included in spectral modelingmeta.notecharFGLEAM[13.9/1530]? GLEAM 200MHz flux densitymJyphot.flux.density;em.radio.100-200MHzfloatnullablee_FGLEAM? Uncertainty in FGLEAMmJystat.errorfloatnullablef_FGLEAMUpper limit on FGLEAMmeta.codechare_FMRC[53/87]? Uncertainty in FMRCmJystat.errorfloatnullablef_FMRC[FALSE] Upper limit on FMRCmeta.codecharn_FMRC[TRUE] FMRC included in spectral modelingmeta.notecharFFIRST[3.4/249]? FIRST 1.4GHz flux densitymJyphot.flux.density;em.radio.750-1500MHzfloatnullablee_FFIRST[0.1/13]? Uncertainty in FFIRSTmJystat.errorfloatnullablef_FFIRST[FALSE] Upper limit on FFIRSTmeta.codecharn_FFIRSTFFIRST included in spectral modelingmeta.notecharFVLSSr[194.9/5700]? VLSSr 74MHz flux densitymJyphot.flux.density;em.radio.20-100MHzfloatnullablee_FVLSSr? Uncertainty in FVLSSrmJystat.errorfloatnullablef_FVLSSrUpper limit on FVLSSrmeta.codecharn_FVLSSr[TRUE] FVLSSr included in spectral modelingmeta.notecharFSUMSS[9/313]? SUMSS 843MHz flux densitymJyphot.flux.density;em.radio.750-1500MHzfloatnullablee_FSUMSS[1.5/19]? Uncertainty in FSUMSSmJystat.errorfloatnullablef_FSUMSS[FALSE] Upper limit on FSUMSSmeta.codecharn_FSUMSSFSUMSS included in spectral modelingmeta.notecharFGB6[24/221]? GB6 4.85GHz flux densitymJyphot.flux.density;em.radio.3-6GHzintnullablee_FGB6[4/23]? Uncertainty in FGB6mJystat.errorfloatnullablef_FGB6[FALSE] Upper limit on FGB6meta.codecharn_FGB6[TRUE] FGB6 included in spectral modelingmeta.notecharFWISH[15/725]? WISH 340MHz flux densitymJyphot.flux.density;em.radio.200-400MHzintnullablee_FWISH[3/37]? Uncertainty in FWISHmJystat.errorfloatnullablef_FWISH[FALSE] Upper limit flag on FWISHmeta.codecharn_FWISH[TRUE] FWISH included in spectral modelingmeta.notecharFLOLSS[89/237]? LOLSS 54MHz flux densitymJyphot.flux.density;em.radio.20-100MHzfloatnullablee_FLOLSS[13/17]? Uncertainty in FLOLSSmJystat.errorfloatnullablef_FLOLSS[FALSE] Upper limit on FLOLSSmeta.codecharn_FLOLSS[TRUE] FLOLSS included in spectral modelingmeta.notecharf_FTGSSUpper limit flag on FTGSSmeta.codecharn_FTGSS[TRUE] FTGSS included in spectral modelingmeta.notechar