{"id":1586914,"slug":"4c-55-40","name":"4C 55.40","domain":"deep-sky","class":"source","otype":"Rad","otype_label":"Radio","ra":331.39,"dec":56.1563,"coo_err_mas":660.0,"coo_bibcode":"1986AJ.....92..787F","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":16,"simbad_oid":120487,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-09-20T19:11:00.811762+00:00","views":17,"first_seen":"2026-08-14T16:49:53.050273+00:00","updated_at":"2026-08-14T16:49:53.050273+00:00","identifiers":["24P 23","4C 55.40","87GB 220345.0+555456","8C 2203+559","BG 2203+55","BWE 2203+5554","F3R 3182","GB6 B2203+5554","GPSR 101.289+0.419","GT 2203+559","KR 38","KR 38A","MY 220345.4+555438.4","MY 220345.4+560916.1","MY 220345.8+555502.6","MY 220345.8+560940.4","NVSS J220533+560923","OHIO Y 505","RRF 960","TGSSADR J220533.8+560923","TXS 2203+559","WB 2203+5554","[WBH2005] G101.289+0.419","WN B2203.7+5554","WN B2203.7+5554B"],"measurements":[{"parameter":"sed_flux","value":0.000259,"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":0.000404,"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":4.75e-05,"value_text":null,"unit":"Jy","err_plus":5.61e-05,"err_minus":5.61e-05,"band":"POSS-II:F","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":4.47e-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":9.51e-05,"value_text":null,"unit":"Jy","err_plus":2.3e-06,"err_minus":2.3e-06,"band":"GAIA/GAIA2:Grp","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":3.98e-05,"value_text":null,"unit":"Jy","err_plus":1e-07,"err_minus":1e-07,"band":"GAIA/GAIA2:G","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":1.39e-05,"value_text":null,"unit":"Jy","err_plus":1.5e-06,"err_minus":1.5e-06,"band":"GAIA/GAIA2:Gbp","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":9.27e-05,"value_text":null,"unit":"Jy","err_plus":2.1e-06,"err_minus":2.1e-06,"band":"GAIA/GAIA3:Grp","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":4.02e-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":1.48e-05,"value_text":null,"unit":"Jy","err_plus":1.6e-06,"err_minus":1.6e-06,"band":"GAIA/GAIA3:Gbp","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":0.000404,"value_text":null,"unit":"Jy","err_plus":5.9e-05,"err_minus":5.9e-05,"band":"2MASS:J","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.000141,"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":8.13e-05,"value_text":null,"unit":"Jy","err_plus":9e-07,"err_minus":9e-07,"band":"SDSS:i","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":1.19e-05,"value_text":null,"unit":"Jy","err_plus":1.2e-06,"err_minus":1.2e-06,"band":"Gaia:G","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":3.36e-05,"value_text":null,"unit":"Jy","err_plus":3e-07,"err_minus":3e-07,"band":"SDSS:r","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":7.7e-06,"value_text":null,"unit":"Jy","err_plus":4e-07,"err_minus":4e-07,"band":"SDSS:g","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":9.27e-05,"value_text":null,"unit":"Jy","err_plus":2.1e-06,"err_minus":2.1e-06,"band":"GAIA/GAIA3:Grp","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":4.07e-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":1.48e-05,"value_text":null,"unit":"Jy","err_plus":1.6e-06,"err_minus":1.6e-06,"band":"GAIA/GAIA3:Gbp","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":0.000267,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:K","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":0.000256,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:H","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":0.000559,"value_text":null,"unit":"Jy","err_plus":7.8e-05,"err_minus":7.8e-05,"band":"Johnson:J","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":0.000321,"value_text":null,"unit":"Jy","err_plus":9e-06,"err_minus":9e-06,"band":"UKIDSS:K","method":"II/316/gps6","source":"vizier","reference":"II/316/gps6","ref_year":null},{"parameter":"sed_flux","value":0.000389,"value_text":null,"unit":"Jy","err_plus":5e-06,"err_minus":5e-06,"band":"UKIDSS:H","method":"II/316/gps6","source":"vizier","reference":"II/316/gps6","ref_year":null},{"parameter":"sed_flux","value":0.00034,"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":7.72e-05,"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":2.91e-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":2.74e-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":0.000205,"value_text":null,"unit":"Jy","err_plus":2e-06,"err_minus":2e-06,"band":"PAN-STARRS/PS1:y","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":0.000141,"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":8.1e-05,"value_text":null,"unit":"Jy","err_plus":9e-07,"err_minus":9e-07,"band":"PAN-STARRS/PS1:i","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":3.34e-05,"value_text":null,"unit":"Jy","err_plus":3e-07,"err_minus":3e-07,"band":"PAN-STARRS/PS1:r","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":7.68e-06,"value_text":null,"unit":"Jy","err_plus":4e-07,"err_minus":4e-07,"band":"PAN-STARRS/PS1:g","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":5.55e-05,"value_text":null,"unit":"Jy","err_plus":3.1e-06,"err_minus":3.1e-06,"band":"WISE:W2","method":"II/365/catwise","source":"vizier","reference":"II/365/catwise","ref_year":null},{"parameter":"sed_flux","value":0.000141,"value_text":null,"unit":"Jy","err_plus":3e-06,"err_minus":3e-06,"band":"WISE:W1","method":"II/365/catwise","source":"vizier","reference":"II/365/catwise","ref_year":null},{"parameter":"sed_flux","value":0.000205,"value_text":null,"unit":"Jy","err_plus":2e-06,"err_minus":2e-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":0.000141,"value_text":null,"unit":"Jy","err_plus":1e-06,"err_minus":1e-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":8.1e-05,"value_text":null,"unit":"Jy","err_plus":9e-07,"err_minus":9e-07,"band":"PAN-STARRS/PS1:i","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":3.34e-05,"value_text":null,"unit":"Jy","err_plus":3e-07,"err_minus":3e-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":7.68e-06,"value_text":null,"unit":"Jy","err_plus":4.5e-07,"err_minus":4.5e-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":0.000276,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:Ks","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.000256,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:H","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.000412,"value_text":null,"unit":"Jy","err_plus":6.1e-05,"err_minus":6.1e-05,"band":"Johnson:J","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":3.64e-05,"value_text":null,"unit":"Jy","err_plus":1e-07,"err_minus":1e-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":1.8e-06,"err_minus":1.8e-06,"band":"Johnson:V","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.000276,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:Ks","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.000256,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:H","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.000412,"value_text":null,"unit":"Jy","err_plus":6.1e-05,"err_minus":6.1e-05,"band":"Johnson:J","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":3.64e-05,"value_text":null,"unit":"Jy","err_plus":1e-07,"err_minus":1e-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":1.8e-06,"err_minus":1.8e-06,"band":"Johnson:V","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.000133,"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":1.2,"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":0.077,"value_text":null,"unit":"Jy","err_plus":0.0154,"err_minus":0.0154,"band":"@{nu}","method":"VIII/85A/waste","source":"vizier","reference":"VIII/85A/waste","ref_year":null},{"parameter":"sed_flux","value":0.077,"value_text":null,"unit":"Jy","err_plus":0.015,"err_minus":0.015,"band":"@{nu}","method":"VIII/104/spectra","source":"vizier","reference":"VIII/104/spectra","ref_year":null},{"parameter":"sed_flux","value":0.000259,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:H","method":"J/ApJ/867/105/refcat2","source":"vizier","reference":"J/ApJ/867/105/refcat2","ref_year":null},{"parameter":"sed_flux","value":0.000404,"value_text":null,"unit":"Jy","err_plus":5.9e-05,"err_minus":5.9e-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":0.00011,"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},{"parameter":"sed_flux","value":0.4,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":":=1420MHz","method":"J/AJ/92/787/table1","source":"vizier","reference":"J/AJ/92/787/table1","ref_year":null},{"parameter":"sed_flux","value":0.077,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":":=4.89GHz","method":"J/AJ/92/787/table1","source":"vizier","reference":"J/AJ/92/787/table1","ref_year":null},{"parameter":"sed_flux","value":0.038,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":":=14.940GHz","method":"J/AJ/92/787/table1","source":"vizier","reference":"J/AJ/92/787/table1","ref_year":null},{"parameter":"sed_flux","value":2.14,"value_text":null,"unit":"Jy","err_plus":0.02,"err_minus":0.02,"band":":=147MHz","method":"J/MNRAS/474/5008/spidxcat","source":"vizier","reference":"J/MNRAS/474/5008/spidxcat","ref_year":null},{"parameter":"sed_flux","value":0.31,"value_text":null,"unit":"Jy","err_plus":0.001,"err_minus":0.001,"band":":=1.4GHz","method":"J/MNRAS/474/5008/spidxcat","source":"vizier","reference":"J/MNRAS/474/5008/spidxcat","ref_year":null}],"orbit":null,"exoplanet":null,"sources":[{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=4C 55.40","fetched_at":"2026-09-20T19:10:49.208903+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=331.390000%20+56.156300&-c.rs=5","fetched_at":"2026-09-20T19:11:00.809660+00:00"}]}