{"id":1706868,"slug":"4c-42-30","name":"4C 42.30","domain":"deep-sky","class":"agn","otype":"rG","otype_label":"RadioG","ra":144.56890416666667,"dec":42.643025,"coo_err_mas":1000.0,"coo_bibcode":"2015ApJ...801...26H","plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":203838.62,"redshift":1.291,"dist_pc":null,"vmag":null,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":17,"simbad_oid":596067,"gaia_dr3":null,"jpl_spkid":null,"ned_name":"4C +42.30","exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-08-19T21:26:16.808384+00:00","views":7,"first_seen":"2026-08-14T16:50:11.538209+00:00","updated_at":"2026-08-14T16:50:11.538209+00:00","identifiers":["4C 42.30","6C 093506+425208","7C 093506.59+425211.00","87GB 093506.6+425203","B3 0935+428A","BWE 0935+4252","FIRST J093816.5+423834","GB6 B0935+4252","GRA B0935+42","LEDA 2820749","MY 093506.4+423851.7","NVSS J093816+423835","TGSSADR J093816.5+423835","TXS 0935+428A","WB 0935+4252","WN B0935.1+4252"],"measurements":[{"parameter":"radial_velocity","value":1.291,"value_text":null,"unit":"km/s","err_plus":0.002,"err_minus":0.002,"band":null,"method":"z","source":"simbad","reference":"1994AJ....108..828T","ref_year":1994},{"parameter":"redshift","value":1.29100001,"value_text":null,"unit":null,"err_plus":0.00200000009,"err_minus":0.00200000009,"band":null,"method":null,"source":"ned","reference":"1994AJ....108..828T","ref_year":1994},{"parameter":"sed_flux","value":0.00269,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W4","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.000296,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W3","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":4.41e-05,"value_text":null,"unit":"Jy","err_plus":9.3e-06,"err_minus":9.3e-06,"band":"WISE:W2","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":4.81e-05,"value_text":null,"unit":"Jy","err_plus":4.6e-06,"err_minus":4.6e-06,"band":"WISE:W1","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.00208,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W4","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":0.000211,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W3","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":3.84e-05,"value_text":null,"unit":"Jy","err_plus":1.3e-05,"err_minus":1.3e-05,"band":"WISE:W2","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":3.54e-05,"value_text":null,"unit":"Jy","err_plus":6.8e-06,"err_minus":6.8e-06,"band":"WISE:W1","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":0.00269,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W4","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":0.000296,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W3","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":4.41e-05,"value_text":null,"unit":"Jy","err_plus":9.3e-06,"err_minus":9.3e-06,"band":"WISE:W2","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":4.81e-05,"value_text":null,"unit":"Jy","err_plus":4.6e-06,"err_minus":4.6e-06,"band":"WISE:W1","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":4.11e-05,"value_text":null,"unit":"Jy","err_plus":3.7e-06,"err_minus":3.7e-06,"band":"WISE:W2","method":"II/365/catwise","source":"vizier","reference":"II/365/catwise","ref_year":null},{"parameter":"sed_flux","value":4.34e-05,"value_text":null,"unit":"Jy","err_plus":2.1e-06,"err_minus":2.1e-06,"band":"WISE:W1","method":"II/365/catwise","source":"vizier","reference":"II/365/catwise","ref_year":null},{"parameter":"sed_flux","value":1.63,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":":=365MHz","method":"VIII/17/north20","source":"vizier","reference":"VIII/17/north20","ref_year":null},{"parameter":"sed_flux","value":0.539,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":":=1.4GHz","method":"VIII/17/north20","source":"vizier","reference":"VIII/17/north20","ref_year":null},{"parameter":"sed_flux","value":0.133,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":":=4850","method":"VIII/17/north20","source":"vizier","reference":"VIII/17/north20","ref_year":null},{"parameter":"sed_flux","value":3.15,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":":=151MHz","method":"VIII/21/6c2","source":"vizier","reference":"VIII/21/6c2","ref_year":null},{"parameter":"sed_flux","value":1.49,"value_text":null,"unit":"Jy","err_plus":0.04,"err_minus":0.04,"band":":=365MHz","method":"VIII/42/simpler","source":"vizier","reference":"VIII/42/simpler","ref_year":null},{"parameter":"sed_flux","value":1.66,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":":=330MHz","method":"VIII/62/wenss","source":"vizier","reference":"VIII/62/wenss","ref_year":null},{"parameter":"sed_flux","value":0.0327,"value_text":null,"unit":"Jy","err_plus":0.0065,"err_minus":0.0065,"band":"@{nu}","method":"VIII/85A/waste","source":"vizier","reference":"VIII/85A/waste","ref_year":null},{"parameter":"sed_flux","value":3.92,"value_text":null,"unit":"Jy","err_plus":0.07,"err_minus":0.07,"band":":=74MHz","method":"VIII/97/catalog","source":"vizier","reference":"VIII/97/catalog","ref_year":null},{"parameter":"sed_flux","value":0.00269,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W4","method":"J/ApJS/267/37/table5","source":"vizier","reference":"J/ApJS/267/37/table5","ref_year":null},{"parameter":"sed_flux","value":0.000296,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W3","method":"J/ApJS/267/37/table5","source":"vizier","reference":"J/ApJS/267/37/table5","ref_year":null},{"parameter":"sed_flux","value":4.41e-05,"value_text":null,"unit":"Jy","err_plus":9.3e-06,"err_minus":9.3e-06,"band":"WISE:W2","method":"J/ApJS/267/37/table5","source":"vizier","reference":"J/ApJS/267/37/table5","ref_year":null},{"parameter":"sed_flux","value":4.81e-05,"value_text":null,"unit":"Jy","err_plus":4.6e-06,"err_minus":4.6e-06,"band":"WISE:W1","method":"J/ApJS/267/37/table5","source":"vizier","reference":"J/ApJS/267/37/table5","ref_year":null},{"parameter":"sed_flux","value":0.0583,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":":=4.9GHz","method":"J/A+A/369/380/table3","source":"vizier","reference":"J/A+A/369/380/table3","ref_year":null},{"parameter":"sed_flux","value":0.0327,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":":=8.5GHz","method":"J/A+A/369/380/table3","source":"vizier","reference":"J/A+A/369/380/table3","ref_year":null},{"parameter":"sed_flux","value":0.0424,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":":=10.6","method":"J/A+AS/133/129/table1","source":"vizier","reference":"J/A+AS/133/129/table1","ref_year":null},{"parameter":"sed_flux","value":1.35,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":":=408MHz","method":"J/AJ/98/419/b3id","source":"vizier","reference":"J/AJ/98/419/b3id","ref_year":null},{"parameter":"sed_flux","value":0.439,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":":=1.4GHz","method":"J/MNRAS/408/2261/tablea1","source":"vizier","reference":"J/MNRAS/408/2261/tablea1","ref_year":null},{"parameter":"sed_flux","value":0.136,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":":=4850","method":"J/MNRAS/408/2261/tablea1","source":"vizier","reference":"J/MNRAS/408/2261/tablea1","ref_year":null},{"parameter":"sed_flux","value":2.84,"value_text":null,"unit":"Jy","err_plus":0.01,"err_minus":0.01,"band":":=147MHz","method":"J/MNRAS/474/5008/spidxcat","source":"vizier","reference":"J/MNRAS/474/5008/spidxcat","ref_year":null},{"parameter":"sed_flux","value":0.45,"value_text":null,"unit":"Jy","err_plus":0.002,"err_minus":0.002,"band":":=1.4GHz","method":"J/MNRAS/474/5008/spidxcat","source":"vizier","reference":"J/MNRAS/474/5008/spidxcat","ref_year":null},{"parameter":"sed_flux","value":0.641,"value_text":null,"unit":"Jy","err_plus":0.038,"err_minus":0.038,"band":":=943","method":"J/other/PASA/43.89/srdr2","source":"vizier","reference":"J/other/PASA/43.89/srdr2","ref_year":null}],"orbit":null,"exoplanet":null,"sources":[{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=4C 42.30","fetched_at":"2026-08-19T21:26:07.798920+00:00"},{"source":"ned","url":"https://ned.ipac.caltech.edu/byname?objname=4C +42.30","fetched_at":"2026-08-19T21:26:09.228369+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=144.568904%20+42.643025&-c.rs=5","fetched_at":"2026-08-19T21:26:16.807358+00:00"}]}