{"id":1747948,"slug":"4c-09-21","name":"4C 09.21","domain":"deep-sky","class":"source","otype":"Rad","otype_label":"Radio","ra":83.71174166666667,"dec":10.075180555555555,"coo_err_mas":2000.0,"coo_bibcode":"1996AJ....111.1945D","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":797563,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-10-01T00:47:29.369219+00:00","views":16,"first_seen":"2026-08-14T16:50:15.847052+00:00","updated_at":"2026-08-14T16:50:15.847052+00:00","identifiers":["4C 09.21","87GB 053206.7+100240","BWE 0532+1002","Cul 0532+100","GB6 B0532+1002","GLEAM J053450+100425","MITG J053449+1004","MRC 0532+100","NAIC 0531+100","NAICGB 0532+100","NVSS J053450+100430","PKS J0534+1004","TGSSADR J053450.8+100430","TXS 0532+100","UT 0532+100","WB 0532+1002"],"measurements":[{"parameter":"sed_flux","value":0.00378,"value_text":null,"unit":"Jy","err_plus":0.0011,"err_minus":0.0011,"band":"WISE:W4","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.000366,"value_text":null,"unit":"Jy","err_plus":0.000141,"err_minus":0.000141,"band":"WISE:W3","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":8.64e-05,"value_text":null,"unit":"Jy","err_plus":1.12e-05,"err_minus":1.12e-05,"band":"WISE:W2","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":8.59e-05,"value_text":null,"unit":"Jy","err_plus":6.3e-06,"err_minus":6.3e-06,"band":"WISE:W1","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.00598,"value_text":null,"unit":"Jy","err_plus":0.00096,"err_minus":0.00096,"band":"WISE:W4","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":0.0012,"value_text":null,"unit":"Jy","err_plus":0.00012,"err_minus":0.00012,"band":"WISE:W3","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":7.84e-05,"value_text":null,"unit":"Jy","err_plus":1.48e-05,"err_minus":1.48e-05,"band":"WISE:W2","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":6.69e-05,"value_text":null,"unit":"Jy","err_plus":7.6e-06,"err_minus":7.6e-06,"band":"WISE:W1","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":0.00377,"value_text":null,"unit":"Jy","err_plus":0.0011,"err_minus":0.0011,"band":"WISE:W4","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":0.000366,"value_text":null,"unit":"Jy","err_plus":0.000141,"err_minus":0.000141,"band":"WISE:W3","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":8.64e-05,"value_text":null,"unit":"Jy","err_plus":1.12e-05,"err_minus":1.12e-05,"band":"WISE:W2","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":8.59e-05,"value_text":null,"unit":"Jy","err_plus":6.3e-06,"err_minus":6.3e-06,"band":"WISE:W1","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":2.58e-05,"value_text":null,"unit":"Jy","err_plus":2.6e-06,"err_minus":2.6e-06,"band":"WISE:W1","method":"II/363/unwise","source":"vizier","reference":"II/363/unwise","ref_year":null},{"parameter":"sed_flux","value":8.46e-05,"value_text":null,"unit":"Jy","err_plus":4.4e-06,"err_minus":4.4e-06,"band":"WISE:W2","method":"II/365/catwise","source":"vizier","reference":"II/365/catwise","ref_year":null},{"parameter":"sed_flux","value":9.86e-05,"value_text":null,"unit":"Jy","err_plus":2.9e-06,"err_minus":2.9e-06,"band":"WISE:W1","method":"II/365/catwise","source":"vizier","reference":"II/365/catwise","ref_year":null},{"parameter":"sed_flux","value":8.49e-05,"value_text":null,"unit":"Jy","err_plus":1.1e-05,"err_minus":1.1e-05,"band":"WISE:W2","method":"II/368/sstsl2","source":"vizier","reference":"II/368/sstsl2","ref_year":null},{"parameter":"sed_flux","value":6.85e-05,"value_text":null,"unit":"Jy","err_plus":1.7e-06,"err_minus":1.7e-06,"band":"Spitzer/IRAC:4.5","method":"II/368/sstsl2","source":"vizier","reference":"II/368/sstsl2","ref_year":null},{"parameter":"sed_flux","value":8.05e-05,"value_text":null,"unit":"Jy","err_plus":1.4e-06,"err_minus":1.4e-06,"band":"Spitzer/IRAC:3.6","method":"II/368/sstsl2","source":"vizier","reference":"II/368/sstsl2","ref_year":null},{"parameter":"sed_flux","value":8.47e-05,"value_text":null,"unit":"Jy","err_plus":6.2e-06,"err_minus":6.2e-06,"band":"WISE:W1","method":"II/368/sstsl2","source":"vizier","reference":"II/368/sstsl2","ref_year":null},{"parameter":"sed_flux","value":2.66,"value_text":null,"unit":"Jy","err_plus":0.06,"err_minus":0.06,"band":":=365MHz","method":"VIII/42/txs","source":"vizier","reference":"VIII/42/txs","ref_year":null},{"parameter":"sed_flux","value":4.41,"value_text":null,"unit":"Jy","err_plus":0.13,"err_minus":0.13,"band":":=74MHz","method":"VIII/97/catalog","source":"vizier","reference":"VIII/97/catalog","ref_year":null},{"parameter":"sed_flux","value":5.8,"value_text":null,"unit":"Jy","err_plus":0.12,"err_minus":0.12,"band":":=80MHz","method":"VIII/105/catalog","source":"vizier","reference":"VIII/105/catalog","ref_year":null},{"parameter":"sed_flux","value":5.59,"value_text":null,"unit":"Jy","err_plus":0.09,"err_minus":0.09,"band":":=88MHz","method":"VIII/105/catalog","source":"vizier","reference":"VIII/105/catalog","ref_year":null},{"parameter":"sed_flux","value":5.44,"value_text":null,"unit":"Jy","err_plus":0.08,"err_minus":0.08,"band":":=095MHz","method":"VIII/105/catalog","source":"vizier","reference":"VIII/105/catalog","ref_year":null},{"parameter":"sed_flux","value":5.12,"value_text":null,"unit":"Jy","err_plus":0.08,"err_minus":0.08,"band":":=103MHz","method":"VIII/105/catalog","source":"vizier","reference":"VIII/105/catalog","ref_year":null},{"parameter":"sed_flux","value":4.92,"value_text":null,"unit":"Jy","err_plus":0.06,"err_minus":0.06,"band":":=111MHz","method":"VIII/105/catalog","source":"vizier","reference":"VIII/105/catalog","ref_year":null},{"parameter":"sed_flux","value":4.81,"value_text":null,"unit":"Jy","err_plus":0.05,"err_minus":0.05,"band":":=118MHz","method":"VIII/105/catalog","source":"vizier","reference":"VIII/105/catalog","ref_year":null},{"parameter":"sed_flux","value":4.7,"value_text":null,"unit":"Jy","err_plus":0.04,"err_minus":0.04,"band":":=126MHz","method":"VIII/105/catalog","source":"vizier","reference":"VIII/105/catalog","ref_year":null},{"parameter":"sed_flux","value":4.53,"value_text":null,"unit":"Jy","err_plus":0.04,"err_minus":0.04,"band":":=134MHz","method":"VIII/105/catalog","source":"vizier","reference":"VIII/105/catalog","ref_year":null},{"parameter":"sed_flux","value":4.33,"value_text":null,"unit":"Jy","err_plus":0.04,"err_minus":0.04,"band":":=147MHz","method":"VIII/105/catalog","source":"vizier","reference":"VIII/105/catalog","ref_year":null},{"parameter":"sed_flux","value":4.14,"value_text":null,"unit":"Jy","err_plus":0.03,"err_minus":0.03,"band":":=154MHz","method":"VIII/105/catalog","source":"vizier","reference":"VIII/105/catalog","ref_year":null},{"parameter":"sed_flux","value":3.94,"value_text":null,"unit":"Jy","err_plus":0.03,"err_minus":0.03,"band":":=162MHz","method":"VIII/105/catalog","source":"vizier","reference":"VIII/105/catalog","ref_year":null},{"parameter":"sed_flux","value":3.91,"value_text":null,"unit":"Jy","err_plus":0.03,"err_minus":0.03,"band":":=170MHz","method":"VIII/105/catalog","source":"vizier","reference":"VIII/105/catalog","ref_year":null},{"parameter":"sed_flux","value":3.94,"value_text":null,"unit":"Jy","err_plus":0.05,"err_minus":0.05,"band":":=177MHz","method":"VIII/105/catalog","source":"vizier","reference":"VIII/105/catalog","ref_year":null},{"parameter":"sed_flux","value":3.72,"value_text":null,"unit":"Jy","err_plus":0.04,"err_minus":0.04,"band":":=184.96MHz","method":"VIII/105/catalog","source":"vizier","reference":"VIII/105/catalog","ref_year":null},{"parameter":"sed_flux","value":3.65,"value_text":null,"unit":"Jy","err_plus":0.03,"err_minus":0.03,"band":":=193MHz","method":"VIII/105/catalog","source":"vizier","reference":"VIII/105/catalog","ref_year":null},{"parameter":"sed_flux","value":3.47,"value_text":null,"unit":"Jy","err_plus":0.03,"err_minus":0.03,"band":":=200MHz","method":"VIII/105/catalog","source":"vizier","reference":"VIII/105/catalog","ref_year":null},{"parameter":"sed_flux","value":3.46,"value_text":null,"unit":"Jy","err_plus":0.03,"err_minus":0.03,"band":":=208MHz","method":"VIII/105/catalog","source":"vizier","reference":"VIII/105/catalog","ref_year":null},{"parameter":"sed_flux","value":3.36,"value_text":null,"unit":"Jy","err_plus":0.03,"err_minus":0.03,"band":":=216MHz","method":"VIII/105/catalog","source":"vizier","reference":"VIII/105/catalog","ref_year":null},{"parameter":"sed_flux","value":3.22,"value_text":null,"unit":"Jy","err_plus":0.03,"err_minus":0.03,"band":":=223MHz","method":"VIII/105/catalog","source":"vizier","reference":"VIII/105/catalog","ref_year":null},{"parameter":"sed_flux","value":3.22,"value_text":null,"unit":"Jy","err_plus":0.03,"err_minus":0.03,"band":":=231MHz","method":"VIII/105/catalog","source":"vizier","reference":"VIII/105/catalog","ref_year":null},{"parameter":"sed_flux","value":0.00442,"value_text":null,"unit":"Jy","err_plus":0.00032,"err_minus":0.00032,"band":":=88MHz","method":"VIII/107/gleamoff","source":"vizier","reference":"VIII/107/gleamoff","ref_year":null},{"parameter":"sed_flux","value":5.82,"value_text":null,"unit":"Jy","err_plus":0.02,"err_minus":0.02,"band":":=80MHz","method":"VIII/113/catalog2","source":"vizier","reference":"VIII/113/catalog2","ref_year":null},{"parameter":"sed_flux","value":5.62,"value_text":null,"unit":"Jy","err_plus":0.02,"err_minus":0.02,"band":":=88MHz","method":"VIII/113/catalog2","source":"vizier","reference":"VIII/113/catalog2","ref_year":null},{"parameter":"sed_flux","value":5.5,"value_text":null,"unit":"Jy","err_plus":0.02,"err_minus":0.02,"band":":=095MHz","method":"VIII/113/catalog2","source":"vizier","reference":"VIII/113/catalog2","ref_year":null},{"parameter":"sed_flux","value":5.57,"value_text":null,"unit":"Jy","err_plus":0.01,"err_minus":0.01,"band":":=103MHz","method":"VIII/113/catalog2","source":"vizier","reference":"VIII/113/catalog2","ref_year":null},{"parameter":"sed_flux","value":5.02,"value_text":null,"unit":"Jy","err_plus":0.01,"err_minus":0.01,"band":":=111MHz","method":"VIII/113/catalog2","source":"vizier","reference":"VIII/113/catalog2","ref_year":null},{"parameter":"sed_flux","value":4.97,"value_text":null,"unit":"Jy","err_plus":0.01,"err_minus":0.01,"band":":=118MHz","method":"VIII/113/catalog2","source":"vizier","reference":"VIII/113/catalog2","ref_year":null},{"parameter":"sed_flux","value":4.76,"value_text":null,"unit":"Jy","err_plus":0.01,"err_minus":0.01,"band":":=126MHz","method":"VIII/113/catalog2","source":"vizier","reference":"VIII/113/catalog2","ref_year":null},{"parameter":"sed_flux","value":4.96,"value_text":null,"unit":"Jy","err_plus":0.01,"err_minus":0.01,"band":":=134MHz","method":"VIII/113/catalog2","source":"vizier","reference":"VIII/113/catalog2","ref_year":null},{"parameter":"sed_flux","value":4.45,"value_text":null,"unit":"Jy","err_plus":0.01,"err_minus":0.01,"band":":=147MHz","method":"VIII/113/catalog2","source":"vizier","reference":"VIII/113/catalog2","ref_year":null},{"parameter":"sed_flux","value":4.26,"value_text":null,"unit":"Jy","err_plus":0.01,"err_minus":0.01,"band":":=154MHz","method":"VIII/113/catalog2","source":"vizier","reference":"VIII/113/catalog2","ref_year":null},{"parameter":"sed_flux","value":4.17,"value_text":null,"unit":"Jy","err_plus":0.01,"err_minus":0.01,"band":":=162MHz","method":"VIII/113/catalog2","source":"vizier","reference":"VIII/113/catalog2","ref_year":null},{"parameter":"sed_flux","value":4.25,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":":=170MHz","method":"VIII/113/catalog2","source":"vizier","reference":"VIII/113/catalog2","ref_year":null},{"parameter":"sed_flux","value":4.05,"value_text":null,"unit":"Jy","err_plus":0.01,"err_minus":0.01,"band":":=177MHz","method":"VIII/113/catalog2","source":"vizier","reference":"VIII/113/catalog2","ref_year":null},{"parameter":"sed_flux","value":3.99,"value_text":null,"unit":"Jy","err_plus":0.01,"err_minus":0.01,"band":":=184.96MHz","method":"VIII/113/catalog2","source":"vizier","reference":"VIII/113/catalog2","ref_year":null},{"parameter":"sed_flux","value":3.8,"value_text":null,"unit":"Jy","err_plus":0.01,"err_minus":0.01,"band":":=193MHz","method":"VIII/113/catalog2","source":"vizier","reference":"VIII/113/catalog2","ref_year":null},{"parameter":"sed_flux","value":3.69,"value_text":null,"unit":"Jy","err_plus":0.02,"err_minus":0.02,"band":":=200MHz","method":"VIII/113/catalog2","source":"vizier","reference":"VIII/113/catalog2","ref_year":null},{"parameter":"sed_flux","value":3.59,"value_text":null,"unit":"Jy","err_plus":0.01,"err_minus":0.01,"band":":=208MHz","method":"VIII/113/catalog2","source":"vizier","reference":"VIII/113/catalog2","ref_year":null},{"parameter":"sed_flux","value":3.48,"value_text":null,"unit":"Jy","err_plus":0.01,"err_minus":0.01,"band":":=216MHz","method":"VIII/113/catalog2","source":"vizier","reference":"VIII/113/catalog2","ref_year":null},{"parameter":"sed_flux","value":3.38,"value_text":null,"unit":"Jy","err_plus":0.01,"err_minus":0.01,"band":":=223MHz","method":"VIII/113/catalog2","source":"vizier","reference":"VIII/113/catalog2","ref_year":null},{"parameter":"sed_flux","value":3.52,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":":=231MHz","method":"VIII/113/catalog2","source":"vizier","reference":"VIII/113/catalog2","ref_year":null},{"parameter":"sed_flux","value":0.0392,"value_text":null,"unit":"Jy","err_plus":0.0001,"err_minus":0.0001,"band":":=7.5GHz","method":"J/ApJ/790/49/table2","source":"vizier","reference":"J/ApJ/790/49/table2","ref_year":null},{"parameter":"sed_flux","value":1.06,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":":=1.4GHz","method":"J/ApJ/880/141/table1","source":"vizier","reference":"J/ApJ/880/141/table1","ref_year":null},{"parameter":"sed_flux","value":0.317,"value_text":null,"unit":"Jy","err_plus":0.023,"err_minus":0.023,"band":":=4760","method":"J/ApJS/51/67/table4","source":"vizier","reference":"J/ApJS/51/67/table4","ref_year":null},{"parameter":"sed_flux","value":0.00378,"value_text":null,"unit":"Jy","err_plus":0.0011,"err_minus":0.0011,"band":"WISE:W4","method":"J/ApJS/267/37/table5","source":"vizier","reference":"J/ApJS/267/37/table5","ref_year":null},{"parameter":"sed_flux","value":0.000366,"value_text":null,"unit":"Jy","err_plus":0.000141,"err_minus":0.000141,"band":"WISE:W3","method":"J/ApJS/267/37/table5","source":"vizier","reference":"J/ApJS/267/37/table5","ref_year":null},{"parameter":"sed_flux","value":8.64e-05,"value_text":null,"unit":"Jy","err_plus":1.12e-05,"err_minus":1.12e-05,"band":"WISE:W2","method":"J/ApJS/267/37/table5","source":"vizier","reference":"J/ApJS/267/37/table5","ref_year":null},{"parameter":"sed_flux","value":8.59e-05,"value_text":null,"unit":"Jy","err_plus":6.3e-06,"err_minus":6.3e-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":1.06,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":":=1.4GHz","method":"J/AJ/161/14/table10","source":"vizier","reference":"J/AJ/161/14/table10","ref_year":null},{"parameter":"sed_flux","value":0.341,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":":=4850","method":"J/AJ/161/14/table10","source":"vizier","reference":"J/AJ/161/14/table10","ref_year":null},{"parameter":"sed_flux","value":6.05,"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":1.07,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":":=1.4GHz","method":"J/MNRAS/474/5008/spidxcat","source":"vizier","reference":"J/MNRAS/474/5008/spidxcat","ref_year":null},{"parameter":"sed_flux","value":5.8,"value_text":null,"unit":"Jy","err_plus":0.12,"err_minus":0.12,"band":":=80MHz","method":"J/MNRAS/547/G446/catalog","source":"vizier","reference":"J/MNRAS/547/G446/catalog","ref_year":null},{"parameter":"sed_flux","value":5.59,"value_text":null,"unit":"Jy","err_plus":0.09,"err_minus":0.09,"band":":=88MHz","method":"J/MNRAS/547/G446/catalog","source":"vizier","reference":"J/MNRAS/547/G446/catalog","ref_year":null},{"parameter":"sed_flux","value":5.44,"value_text":null,"unit":"Jy","err_plus":0.08,"err_minus":0.08,"band":":=095MHz","method":"J/MNRAS/547/G446/catalog","source":"vizier","reference":"J/MNRAS/547/G446/catalog","ref_year":null},{"parameter":"sed_flux","value":5.12,"value_text":null,"unit":"Jy","err_plus":0.08,"err_minus":0.08,"band":":=103MHz","method":"J/MNRAS/547/G446/catalog","source":"vizier","reference":"J/MNRAS/547/G446/catalog","ref_year":null},{"parameter":"sed_flux","value":4.92,"value_text":null,"unit":"Jy","err_plus":0.06,"err_minus":0.06,"band":":=111MHz","method":"J/MNRAS/547/G446/catalog","source":"vizier","reference":"J/MNRAS/547/G446/catalog","ref_year":null},{"parameter":"sed_flux","value":4.81,"value_text":null,"unit":"Jy","err_plus":0.05,"err_minus":0.05,"band":":=118MHz","method":"J/MNRAS/547/G446/catalog","source":"vizier","reference":"J/MNRAS/547/G446/catalog","ref_year":null},{"parameter":"sed_flux","value":4.7,"value_text":null,"unit":"Jy","err_plus":0.04,"err_minus":0.04,"band":":=126MHz","method":"J/MNRAS/547/G446/catalog","source":"vizier","reference":"J/MNRAS/547/G446/catalog","ref_year":null},{"parameter":"sed_flux","value":4.53,"value_text":null,"unit":"Jy","err_plus":0.04,"err_minus":0.04,"band":":=134MHz","method":"J/MNRAS/547/G446/catalog","source":"vizier","reference":"J/MNRAS/547/G446/catalog","ref_year":null},{"parameter":"sed_flux","value":4.33,"value_text":null,"unit":"Jy","err_plus":0.04,"err_minus":0.04,"band":":=147MHz","method":"J/MNRAS/547/G446/catalog","source":"vizier","reference":"J/MNRAS/547/G446/catalog","ref_year":null},{"parameter":"sed_flux","value":4.14,"value_text":null,"unit":"Jy","err_plus":0.03,"err_minus":0.03,"band":":=154MHz","method":"J/MNRAS/547/G446/catalog","source":"vizier","reference":"J/MNRAS/547/G446/catalog","ref_year":null},{"parameter":"sed_flux","value":3.94,"value_text":null,"unit":"Jy","err_plus":0.03,"err_minus":0.03,"band":":=162MHz","method":"J/MNRAS/547/G446/catalog","source":"vizier","reference":"J/MNRAS/547/G446/catalog","ref_year":null},{"parameter":"sed_flux","value":3.91,"value_text":null,"unit":"Jy","err_plus":0.03,"err_minus":0.03,"band":":=170MHz","method":"J/MNRAS/547/G446/catalog","source":"vizier","reference":"J/MNRAS/547/G446/catalog","ref_year":null},{"parameter":"sed_flux","value":3.94,"value_text":null,"unit":"Jy","err_plus":0.05,"err_minus":0.05,"band":":=177MHz","method":"J/MNRAS/547/G446/catalog","source":"vizier","reference":"J/MNRAS/547/G446/catalog","ref_year":null},{"parameter":"sed_flux","value":3.72,"value_text":null,"unit":"Jy","err_plus":0.04,"err_minus":0.04,"band":":=184.96MHz","method":"J/MNRAS/547/G446/catalog","source":"vizier","reference":"J/MNRAS/547/G446/catalog","ref_year":null},{"parameter":"sed_flux","value":3.65,"value_text":null,"unit":"Jy","err_plus":0.03,"err_minus":0.03,"band":":=193MHz","method":"J/MNRAS/547/G446/catalog","source":"vizier","reference":"J/MNRAS/547/G446/catalog","ref_year":null},{"parameter":"sed_flux","value":3.47,"value_text":null,"unit":"Jy","err_plus":0.03,"err_minus":0.03,"band":":=200MHz","method":"J/MNRAS/547/G446/catalog","source":"vizier","reference":"J/MNRAS/547/G446/catalog","ref_year":null},{"parameter":"sed_flux","value":3.46,"value_text":null,"unit":"Jy","err_plus":0.03,"err_minus":0.03,"band":":=208MHz","method":"J/MNRAS/547/G446/catalog","source":"vizier","reference":"J/MNRAS/547/G446/catalog","ref_year":null},{"parameter":"sed_flux","value":3.36,"value_text":null,"unit":"Jy","err_plus":0.03,"err_minus":0.03,"band":":=216MHz","method":"J/MNRAS/547/G446/catalog","source":"vizier","reference":"J/MNRAS/547/G446/catalog","ref_year":null},{"parameter":"sed_flux","value":3.22,"value_text":null,"unit":"Jy","err_plus":0.03,"err_minus":0.03,"band":":=223MHz","method":"J/MNRAS/547/G446/catalog","source":"vizier","reference":"J/MNRAS/547/G446/catalog","ref_year":null},{"parameter":"sed_flux","value":3.22,"value_text":null,"unit":"Jy","err_plus":0.03,"err_minus":0.03,"band":":=231MHz","method":"J/MNRAS/547/G446/catalog","source":"vizier","reference":"J/MNRAS/547/G446/catalog","ref_year":null},{"parameter":"sed_flux","value":1.06,"value_text":null,"unit":"Jy","err_plus":0.04,"err_minus":0.04,"band":":=1.4GHz","method":"J/MNRAS/547/G446/catalog","source":"vizier","reference":"J/MNRAS/547/G446/catalog","ref_year":null},{"parameter":"sed_flux","value":2.72,"value_text":null,"unit":"Jy","err_plus":0.02,"err_minus":0.02,"band":":=300MHz","method":"J/other/PASA/42.158/gleam300","source":"vizier","reference":"J/other/PASA/42.158/gleam300","ref_year":null},{"parameter":"sed_flux","value":1.08,"value_text":null,"unit":"Jy","err_plus":0.06,"err_minus":0.06,"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 09.21","fetched_at":"2026-10-01T00:47:19.549518+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=83.711742%20+10.075181&-c.rs=5","fetched_at":"2026-10-01T00:47:29.365004+00:00"}]}