{"id":3672998,"slug":"4fgl-j2223-4-5814","name":"4FGL J2223.4+5814","domain":"deep-sky","class":"quasar","otype":"Bz?","otype_label":"Blazar Candidate","ra":335.8733,"dec":58.2385,"coo_err_mas":486360.0,"coo_bibcode":"2020ApJS..247...33A","plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"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":11,"simbad_oid":16020720,"gaia_dr3":null,"jpl_spkid":null,"ned_name":"WISEA J222328.72+581422.2","exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-09-18T06:38:38.917921+00:00","views":19,"first_seen":"2026-08-14T16:54:16.002433+00:00","updated_at":"2026-08-14T16:54:16.002433+00:00","identifiers":["4FGL J2223.4+5814"],"measurements":[{"parameter":"sed_flux","value":0.000745,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:H","method":"I/297/out","source":"vizier","reference":"I/297/out","ref_year":null},{"parameter":"sed_flux","value":0.00051,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:J","method":"I/297/out","source":"vizier","reference":"I/297/out","ref_year":null},{"parameter":"sed_flux","value":5.25e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"I/337/gaia","source":"vizier","reference":"I/337/gaia","ref_year":null},{"parameter":"sed_flux","value":0.000136,"value_text":null,"unit":"Jy","err_plus":2e-06,"err_minus":2e-06,"band":"GAIA/GAIA2:Grp","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":4.74e-05,"value_text":null,"unit":"Jy","err_plus":3e-07,"err_minus":3e-07,"band":"GAIA/GAIA2:G","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":1.63e-05,"value_text":null,"unit":"Jy","err_plus":1.8e-06,"err_minus":1.8e-06,"band":"GAIA/GAIA2:Gbp","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":0.000127,"value_text":null,"unit":"Jy","err_plus":2e-06,"err_minus":2e-06,"band":"GAIA/GAIA3:Grp","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":4.81e-05,"value_text":null,"unit":"Jy","err_plus":2e-07,"err_minus":2e-07,"band":"GAIA/GAIA3:G","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":1.2e-05,"value_text":null,"unit":"Jy","err_plus":1.7e-06,"err_minus":1.7e-06,"band":"GAIA/GAIA3:Gbp","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":0.0006,"value_text":null,"unit":"Jy","err_plus":9.3e-05,"err_minus":9.3e-05,"band":"2MASS:Ks","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.000745,"value_text":null,"unit":"Jy","err_plus":9.4e-05,"err_minus":9.4e-05,"band":"2MASS:H","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.000509,"value_text":null,"unit":"Jy","err_plus":6.1e-05,"err_minus":6.1e-05,"band":"2MASS:J","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.000223,"value_text":null,"unit":"Jy","err_plus":1e-06,"err_minus":1e-06,"band":"SDSS:z","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.000109,"value_text":null,"unit":"Jy","err_plus":1e-06,"err_minus":1e-06,"band":"SDSS:i","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":1.39e-05,"value_text":null,"unit":"Jy","err_plus":1.4e-06,"err_minus":1.4e-06,"band":"Gaia:G","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":2.38e-05,"value_text":null,"unit":"Jy","err_plus":1.1e-06,"err_minus":1.1e-06,"band":"SDSS:r","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":6.15e-06,"value_text":null,"unit":"Jy","err_plus":4.5e-07,"err_minus":4.5e-07,"band":"SDSS:g","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.000127,"value_text":null,"unit":"Jy","err_plus":2e-06,"err_minus":2e-06,"band":"GAIA/GAIA3:Grp","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":4.92e-05,"value_text":null,"unit":"Jy","err_plus":2e-07,"err_minus":2e-07,"band":"GAIA/GAIA3:G","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":1.2e-05,"value_text":null,"unit":"Jy","err_plus":1.7e-06,"err_minus":1.7e-06,"band":"GAIA/GAIA3:Gbp","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":0.00101,"value_text":null,"unit":"Jy","err_plus":0.00018,"err_minus":0.00018,"band":"Johnson:K","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":0.00123,"value_text":null,"unit":"Jy","err_plus":0.00024,"err_minus":0.00024,"band":"Johnson:H","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":0.000681,"value_text":null,"unit":"Jy","err_plus":6.3e-05,"err_minus":6.3e-05,"band":"Johnson:J","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":3.76e-05,"value_text":null,"unit":"Jy","err_plus":8.4e-06,"err_minus":8.4e-06,"band":"UKIDSS:K","method":"II/316/gps6","source":"vizier","reference":"II/316/gps6","ref_year":null},{"parameter":"sed_flux","value":2.36e-05,"value_text":null,"unit":"Jy","err_plus":3.4e-06,"err_minus":3.4e-06,"band":"UKIDSS:H","method":"II/316/gps6","source":"vizier","reference":"II/316/gps6","ref_year":null},{"parameter":"sed_flux","value":3.52e-05,"value_text":null,"unit":"Jy","err_plus":4e-06,"err_minus":4e-06,"band":"UKIDSS:J","method":"II/316/gps6","source":"vizier","reference":"II/316/gps6","ref_year":null},{"parameter":"sed_flux","value":0.00011,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"INT/WFC:i","method":"II/321/iphas2","source":"vizier","reference":"II/321/iphas2","ref_year":null},{"parameter":"sed_flux","value":4.66e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"INT/WFC:Ha","method":"II/321/iphas2","source":"vizier","reference":"II/321/iphas2","ref_year":null},{"parameter":"sed_flux","value":1.91e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"INT/WFC:r","method":"II/321/iphas2","source":"vizier","reference":"II/321/iphas2","ref_year":null},{"parameter":"sed_flux","value":0.000328,"value_text":null,"unit":"Jy","err_plus":4e-06,"err_minus":4e-06,"band":"PAN-STARRS/PS1:y","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":0.000223,"value_text":null,"unit":"Jy","err_plus":1e-06,"err_minus":1e-06,"band":"PAN-STARRS/PS1:z","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":0.000109,"value_text":null,"unit":"Jy","err_plus":1e-06,"err_minus":1e-06,"band":"PAN-STARRS/PS1:i","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":2.37e-05,"value_text":null,"unit":"Jy","err_plus":1.1e-06,"err_minus":1.1e-06,"band":"PAN-STARRS/PS1:r","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":6.14e-06,"value_text":null,"unit":"Jy","err_plus":4.5e-07,"err_minus":4.5e-07,"band":"PAN-STARRS/PS1:g","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":0.000328,"value_text":null,"unit":"Jy","err_plus":5e-06,"err_minus":5e-06,"band":"PAN-STARRS/PS1:y","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":0.000223,"value_text":null,"unit":"Jy","err_plus":2e-06,"err_minus":2e-06,"band":"PAN-STARRS/PS1:z","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":0.000109,"value_text":null,"unit":"Jy","err_plus":1e-06,"err_minus":1e-06,"band":"PAN-STARRS/PS1:i","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":2.37e-05,"value_text":null,"unit":"Jy","err_plus":9e-07,"err_minus":9e-07,"band":"PAN-STARRS/PS1:r","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":6.14e-06,"value_text":null,"unit":"Jy","err_plus":5.6e-07,"err_minus":5.6e-07,"band":"PAN-STARRS/PS1:g","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":0.0006,"value_text":null,"unit":"Jy","err_plus":9.3e-05,"err_minus":9.3e-05,"band":"2MASS:Ks","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.000738,"value_text":null,"unit":"Jy","err_plus":9.3e-05,"err_minus":9.3e-05,"band":"Johnson:H","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.00052,"value_text":null,"unit":"Jy","err_plus":6.2e-05,"err_minus":6.2e-05,"band":"Johnson:J","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":4.34e-05,"value_text":null,"unit":"Jy","err_plus":2e-07,"err_minus":2e-07,"band":"Gaia:G","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":1.68e-05,"value_text":null,"unit":"Jy","err_plus":1.9e-06,"err_minus":1.9e-06,"band":"Johnson:V","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.0006,"value_text":null,"unit":"Jy","err_plus":9.3e-05,"err_minus":9.3e-05,"band":"2MASS:Ks","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.000738,"value_text":null,"unit":"Jy","err_plus":9.3e-05,"err_minus":9.3e-05,"band":"Johnson:H","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.00052,"value_text":null,"unit":"Jy","err_plus":6.2e-05,"err_minus":6.2e-05,"band":"Johnson:J","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":4.34e-05,"value_text":null,"unit":"Jy","err_plus":2e-07,"err_minus":2e-07,"band":"Gaia:G","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":1.68e-05,"value_text":null,"unit":"Jy","err_plus":1.9e-06,"err_minus":1.9e-06,"band":"Johnson:V","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":6.95e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"VI/137/gum_mw","source":"vizier","reference":"VI/137/gum_mw","ref_year":null},{"parameter":"sed_flux","value":0.000745,"value_text":null,"unit":"Jy","err_plus":9.4e-05,"err_minus":9.4e-05,"band":"2MASS:H","method":"J/ApJ/867/105/refcat2","source":"vizier","reference":"J/ApJ/867/105/refcat2","ref_year":null},{"parameter":"sed_flux","value":0.00051,"value_text":null,"unit":"Jy","err_plus":6e-05,"err_minus":6e-05,"band":"2MASS:J","method":"J/ApJ/867/105/refcat2","source":"vizier","reference":"J/ApJ/867/105/refcat2","ref_year":null},{"parameter":"sed_flux","value":0.000157,"value_text":null,"unit":"Jy","err_plus":3e-06,"err_minus":3e-06,"band":"Gaia:G","method":"J/ApJ/867/105/refcat2","source":"vizier","reference":"J/ApJ/867/105/refcat2","ref_year":null}],"orbit":null,"exoplanet":null,"sources":[{"source":"ned","url":"https://ned.ipac.caltech.edu/byname?objname=WISEA J222328.72+581422.2","fetched_at":"2026-09-18T06:38:25.987479+00:00"},{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=4FGL J2223.4+5814","fetched_at":"2026-09-18T06:38:24.686407+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=335.873300%20+58.238500&-c.rs=5","fetched_at":"2026-09-18T06:38:38.916643+00:00"}]}