{"id":2012852,"slug":"sdss-j112040-80-284121-2","name":"SDSS J112040.80+284121.2","domain":"deep-sky","class":"quasar","otype":"QSO","otype_label":"QSO","ra":170.170029,"dec":28.689246,"coo_err_mas":null,"coo_bibcode":"2017A&A...597A..79P","plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":267142.25,"redshift":3.167,"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":5,"simbad_oid":1801925,"gaia_dr3":null,"jpl_spkid":null,"ned_name":"SDSS J112040.80+284121.2","exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-09-14T12:29:34.282389+00:00","views":4,"first_seen":"2026-08-14T16:50:43.491428+00:00","updated_at":"2026-08-14T16:50:43.491428+00:00","identifiers":["FIRST J112040.8+284121","SDSS J112040.80+284121.2"],"measurements":[{"parameter":"magnitude","value":21.6465,"value_text":null,"unit":"mag","err_plus":0.3092,"err_minus":0.3092,"band":"z","method":"A","source":"simbad","reference":"2020ApJS..250....8L","ref_year":2020},{"parameter":"magnitude","value":21.1928,"value_text":null,"unit":"mag","err_plus":0.057,"err_minus":0.057,"band":"r","method":"A","source":"simbad","reference":"2020ApJS..250....8L","ref_year":2020},{"parameter":"magnitude","value":21.4914,"value_text":null,"unit":"mag","err_plus":0.043,"err_minus":0.043,"band":"g","method":"A","source":"simbad","reference":"2020ApJS..250....8L","ref_year":2020},{"parameter":"magnitude","value":21.382,"value_text":null,"unit":"mag","err_plus":0.0874,"err_minus":0.0874,"band":"i","method":"A","source":"simbad","reference":"2020ApJS..250....8L","ref_year":2020},{"parameter":"magnitude","value":24.481,"value_text":null,"unit":"mag","err_plus":0.845,"err_minus":0.845,"band":"u","method":"A","source":"simbad","reference":"2017A&A...597A..79P","ref_year":2017},{"parameter":"radial_velocity","value":3.16263,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"2022ApJS..258...18C","ref_year":2022},{"parameter":"radial_velocity","value":3.167,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"2020ApJS..250....8L","ref_year":2020},{"parameter":"radial_velocity","value":3.167,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"2018A&A...613A..51P","ref_year":2018},{"parameter":"radial_velocity","value":3.167169,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"2017A&A...597A..79P","ref_year":2017},{"parameter":"redshift","value":3.1672351,"value_text":null,"unit":null,"err_plus":0.00036439006,"err_minus":0.00036439006,"band":null,"method":null,"source":"ned","reference":"2016SDSSD.C...0000:","ref_year":2016},{"parameter":"sed_flux","value":1.48e-05,"value_text":null,"unit":"Jy","err_plus":2.1e-06,"err_minus":2.1e-06,"band":"WISE:W1","method":"II/363/unwise","source":"vizier","reference":"II/363/unwise","ref_year":null},{"parameter":"sed_flux","value":2.39e-05,"value_text":null,"unit":"Jy","err_plus":4.1e-06,"err_minus":4.1e-06,"band":"WISE:W2","method":"II/365/catwise","source":"vizier","reference":"II/365/catwise","ref_year":null},{"parameter":"sed_flux","value":1.54e-05,"value_text":null,"unit":"Jy","err_plus":2e-06,"err_minus":2e-06,"band":"WISE:W1","method":"II/365/catwise","source":"vizier","reference":"II/365/catwise","ref_year":null},{"parameter":"sed_flux","value":3.17e-05,"value_text":null,"unit":"Jy","err_plus":5.3e-06,"err_minus":5.3e-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":1.16e-05,"value_text":null,"unit":"Jy","err_plus":1.5e-06,"err_minus":1.5e-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":9.08e-06,"value_text":null,"unit":"Jy","err_plus":1.1e-06,"err_minus":1.1e-06,"band":"PAN-STARRS/PS1:r","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":8.6e-06,"value_text":null,"unit":"Jy","err_plus":2.7e-07,"err_minus":2.7e-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":8.62e-06,"value_text":null,"unit":"Jy","err_plus":2.4e-06,"err_minus":2.4e-06,"band":"SDSS:z","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":9.73e-06,"value_text":null,"unit":"Jy","err_plus":8.5e-07,"err_minus":8.5e-07,"band":"SDSS:i","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":1.19e-05,"value_text":null,"unit":"Jy","err_plus":6e-07,"err_minus":6e-07,"band":"SDSS:r","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":9.06e-06,"value_text":null,"unit":"Jy","err_plus":3.5e-07,"err_minus":3.5e-07,"band":"SDSS:g","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":3.96e-07,"value_text":null,"unit":"Jy","err_plus":3.35e-07,"err_minus":3.35e-07,"band":"SDSS:u","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":-6.55e-07,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"GALEX:NUV","method":"VII/279/dr12q","source":"vizier","reference":"VII/279/dr12q","ref_year":null},{"parameter":"sed_flux","value":1.02e-07,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"GALEX:FUV","method":"VII/279/dr12q","source":"vizier","reference":"VII/279/dr12q","ref_year":null},{"parameter":"sed_flux","value":0.00166,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":":=20cm","method":"VII/289/dr16q","source":"vizier","reference":"VII/289/dr16q","ref_year":null},{"parameter":"sed_flux","value":2.38e-05,"value_text":null,"unit":"Jy","err_plus":1.05e-05,"err_minus":1.05e-05,"band":"WISE:W2","method":"VII/289/dr16q","source":"vizier","reference":"VII/289/dr16q","ref_year":null},{"parameter":"sed_flux","value":7.19e-08,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W1","method":"VII/289/dr16q","source":"vizier","reference":"VII/289/dr16q","ref_year":null},{"parameter":"sed_flux","value":-6.55e-07,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"GALEX:NUV","method":"VII/289/dr16q","source":"vizier","reference":"VII/289/dr16q","ref_year":null},{"parameter":"sed_flux","value":1.02e-07,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"GALEX:FUV","method":"VII/289/dr16q","source":"vizier","reference":"VII/289/dr16q","ref_year":null},{"parameter":"sed_flux","value":0.00138,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":":=1.4GHz","method":"VIII/92/first14","source":"vizier","reference":"VIII/92/first14","ref_year":null},{"parameter":"sed_flux","value":9.75e-06,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:i","method":"VIII/92/first14","source":"vizier","reference":"VIII/92/first14","ref_year":null},{"parameter":"sed_flux","value":0.00166,"value_text":null,"unit":"Jy","err_plus":0.00015,"err_minus":0.00015,"band":":=1.4GHz","method":"J/ApJ/737/45/table2","source":"vizier","reference":"J/ApJ/737/45/table2","ref_year":null},{"parameter":"sed_flux","value":0.00229,"value_text":null,"unit":"Jy","err_plus":0.00021,"err_minus":0.00021,"band":":=4GHz","method":"J/ApJS/255/30/comp","source":"vizier","reference":"J/ApJS/255/30/comp","ref_year":null},{"parameter":"sed_flux","value":0.00014,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":":=1.5GHz","method":"J/A+A/683/A112/lqac6","source":"vizier","reference":"J/A+A/683/A112/lqac6","ref_year":null},{"parameter":"sed_flux","value":8.65e-06,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:z","method":"J/MNRAS/450/3893/dame_qso","source":"vizier","reference":"J/MNRAS/450/3893/dame_qso","ref_year":null},{"parameter":"sed_flux","value":9.72e-06,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:i","method":"J/MNRAS/450/3893/dame_qso","source":"vizier","reference":"J/MNRAS/450/3893/dame_qso","ref_year":null},{"parameter":"sed_flux","value":1.2e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:r","method":"J/MNRAS/450/3893/dame_qso","source":"vizier","reference":"J/MNRAS/450/3893/dame_qso","ref_year":null},{"parameter":"sed_flux","value":9.01e-06,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:g","method":"J/MNRAS/450/3893/dame_qso","source":"vizier","reference":"J/MNRAS/450/3893/dame_qso","ref_year":null},{"parameter":"sed_flux","value":4e-07,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:u","method":"J/MNRAS/450/3893/dame_qso","source":"vizier","reference":"J/MNRAS/450/3893/dame_qso","ref_year":null},{"parameter":"sed_flux","value":5.92e-07,"value_text":null,"unit":"Jy","err_plus":5.07e-07,"err_minus":5.07e-07,"band":"SDSS:u","method":"J/MNRAS/493/2745/dr14quv","source":"vizier","reference":"J/MNRAS/493/2745/dr14quv","ref_year":null},{"parameter":"sed_flux","value":1.7e-06,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"GALEX:NUV","method":"J/MNRAS/493/2745/dr14quv","source":"vizier","reference":"J/MNRAS/493/2745/dr14quv","ref_year":null},{"parameter":"sed_flux","value":3.72e-06,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"GALEX:FUV","method":"J/MNRAS/493/2745/dr14quv","source":"vizier","reference":"J/MNRAS/493/2745/dr14quv","ref_year":null},{"parameter":"sed_flux","value":0.00215,"value_text":null,"unit":"Jy","err_plus":0.00048,"err_minus":0.00048,"band":":=1655.5MHz","method":"J/other/PASA/42.38/sourcesh","source":"vizier","reference":"J/other/PASA/42.38/sourcesh","ref_year":null},{"parameter":"sed_flux","value":0.00138,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":":=1.4GHz","method":"J/other/Univ/11.392/param","source":"vizier","reference":"J/other/Univ/11.392/param","ref_year":null},{"parameter":"sed_flux","value":8.62e-06,"value_text":null,"unit":"Jy","err_plus":2.4e-06,"err_minus":2.4e-06,"band":"SDSS:z","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":1.16e-05,"value_text":null,"unit":"Jy","err_plus":1.2e-06,"err_minus":1.2e-06,"band":"SDSS:i","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":9.12e-06,"value_text":null,"unit":"Jy","err_plus":1.01e-06,"err_minus":1.01e-06,"band":"SDSS:r","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":8.62e-06,"value_text":null,"unit":"Jy","err_plus":3.3e-07,"err_minus":3.3e-07,"band":"SDSS:g","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":4.01e-07,"value_text":null,"unit":"Jy","err_plus":3.39e-07,"err_minus":3.39e-07,"band":"SDSS:u","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":3.17e-05,"value_text":null,"unit":"Jy","err_plus":5.3e-06,"err_minus":5.3e-06,"band":"PAN-STARRS/PS1:y","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":1.16e-05,"value_text":null,"unit":"Jy","err_plus":1.2e-06,"err_minus":1.2e-06,"band":"PAN-STARRS/PS1:i","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":9.08e-06,"value_text":null,"unit":"Jy","err_plus":1.01e-06,"err_minus":1.01e-06,"band":"PAN-STARRS/PS1:r","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":8.6e-06,"value_text":null,"unit":"Jy","err_plus":3.3e-07,"err_minus":3.3e-07,"band":"PAN-STARRS/PS1:g","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null}],"orbit":null,"exoplanet":null,"sources":[{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=SDSS J112040.80+284121.2","fetched_at":"2026-09-14T12:29:25.998344+00:00"},{"source":"ned","url":"https://ned.ipac.caltech.edu/byname?objname=SDSS J112040.80+284121.2","fetched_at":"2026-09-14T12:29:27.458245+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=170.170029%20+28.689246&-c.rs=5","fetched_at":"2026-09-14T12:29:34.280567+00:00"}]}