{"id":3391467,"slug":"sdss-j080457-69-542151-8","name":"SDSS J080457.69+542151.8","domain":"deep-sky","class":"quasar","otype":"QSO","otype_label":"QSO","ra":121.240412,"dec":54.364399,"coo_err_mas":null,"coo_bibcode":"2017A&A...597A..79P","plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":248800.4,"redshift":2.28,"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":13187556,"gaia_dr3":null,"jpl_spkid":null,"ned_name":"SDSS J080457.69+542151.7","exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-09-16T05:30:13.525828+00:00","views":3,"first_seen":"2026-08-14T16:53:45.209879+00:00","updated_at":"2026-08-14T16:53:45.209879+00:00","identifiers":["SDSS J080457.69+542151.8"],"measurements":[{"parameter":"magnitude","value":21.0981,"value_text":null,"unit":"mag","err_plus":0.0478,"err_minus":0.0478,"band":"r","method":"A","source":"simbad","reference":"2020ApJS..250....8L","ref_year":2020},{"parameter":"magnitude","value":20.7859,"value_text":null,"unit":"mag","err_plus":0.1659,"err_minus":0.1659,"band":"z","method":"A","source":"simbad","reference":"2020ApJS..250....8L","ref_year":2020},{"parameter":"magnitude","value":21.0591,"value_text":null,"unit":"mag","err_plus":0.0588,"err_minus":0.0588,"band":"i","method":"A","source":"simbad","reference":"2020ApJS..250....8L","ref_year":2020},{"parameter":"magnitude","value":21.7374,"value_text":null,"unit":"mag","err_plus":0.1241,"err_minus":0.1241,"band":"u","method":"A","source":"simbad","reference":"2020ApJS..250....8L","ref_year":2020},{"parameter":"magnitude","value":21.0474,"value_text":null,"unit":"mag","err_plus":0.0366,"err_minus":0.0366,"band":"g","method":"A","source":"simbad","reference":"2020ApJS..250....8L","ref_year":2020},{"parameter":"radial_velocity","value":2.28,"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":2.28,"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":2.291868,"value_text":null,"unit":"km/s","err_plus":0.0003,"err_minus":0.0003,"band":null,"method":"z","source":"simbad","reference":"2017A&A...597A..79P","ref_year":2017},{"parameter":"radial_velocity","value":2.28,"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":2.291746,"value_text":null,"unit":null,"err_plus":0.00022897562,"err_minus":0.00022897562,"band":null,"method":null,"source":"ned","reference":"2016SDSSD.C...0000:","ref_year":2016},{"parameter":"sed_flux","value":6.93e-06,"value_text":null,"unit":"Jy","err_plus":1.26e-06,"err_minus":1.26e-06,"band":"PAN-STARRS/PS1:r","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":9.23e-06,"value_text":null,"unit":"Jy","err_plus":6.9e-07,"err_minus":6.9e-07,"band":"PAN-STARRS/PS1:g","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":1.84e-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":1.92e-05,"value_text":null,"unit":"Jy","err_plus":3.5e-06,"err_minus":3.5e-06,"band":"WISE:W2","method":"II/365/catwise","source":"vizier","reference":"II/365/catwise","ref_year":null},{"parameter":"sed_flux","value":2.21e-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":2.31e-05,"value_text":null,"unit":"Jy","err_plus":3e-06,"err_minus":3e-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":9.18e-06,"value_text":null,"unit":"Jy","err_plus":4.1e-07,"err_minus":4.1e-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":6.93e-06,"value_text":null,"unit":"Jy","err_plus":1.26e-06,"err_minus":1.26e-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":9.23e-06,"value_text":null,"unit":"Jy","err_plus":8.1e-07,"err_minus":8.1e-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":1.34e-05,"value_text":null,"unit":"Jy","err_plus":8e-07,"err_minus":8e-07,"band":"SDSS:i","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":1.31e-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":7.33e-06,"value_text":null,"unit":"Jy","err_plus":8.9e-07,"err_minus":8.9e-07,"band":"SDSS:u","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":1.79e-05,"value_text":null,"unit":"Jy","err_plus":2.8e-06,"err_minus":2.8e-06,"band":"SDSS:z","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":1.4e-05,"value_text":null,"unit":"Jy","err_plus":4e-07,"err_minus":4e-07,"band":"SDSS:g","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":3.88e-07,"value_text":null,"unit":"Jy","err_plus":4.5648e-05,"err_minus":4.5648e-05,"band":"GALEX:NUV","method":"VII/269/dr9q","source":"vizier","reference":"VII/269/dr9q","ref_year":null},{"parameter":"sed_flux","value":-1.21e-06,"value_text":null,"unit":"Jy","err_plus":4.21e-06,"err_minus":4.21e-06,"band":"GALEX:FUV","method":"VII/269/dr9q","source":"vizier","reference":"VII/269/dr9q","ref_year":null},{"parameter":"sed_flux","value":3.88e-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":-1.21e-06,"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":8.31e-06,"value_text":null,"unit":"Jy","err_plus":8.9e-06,"err_minus":8.9e-06,"band":"WISE:W2","method":"VII/289/dr16q","source":"vizier","reference":"VII/289/dr16q","ref_year":null},{"parameter":"sed_flux","value":2.26e-06,"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":3.88e-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":-1.21e-06,"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":1.78e-05,"value_text":null,"unit":"Jy","err_plus":2.7e-06,"err_minus":2.7e-06,"band":"SDSS:z","method":"J/ApJ/773/14/table3","source":"vizier","reference":"J/ApJ/773/14/table3","ref_year":null},{"parameter":"sed_flux","value":1.37e-05,"value_text":null,"unit":"Jy","err_plus":7e-07,"err_minus":7e-07,"band":"SDSS:i","method":"J/ApJ/773/14/table3","source":"vizier","reference":"J/ApJ/773/14/table3","ref_year":null},{"parameter":"sed_flux","value":1.33e-05,"value_text":null,"unit":"Jy","err_plus":6e-07,"err_minus":6e-07,"band":"SDSS:r","method":"J/ApJ/773/14/table3","source":"vizier","reference":"J/ApJ/773/14/table3","ref_year":null},{"parameter":"sed_flux","value":1.38e-05,"value_text":null,"unit":"Jy","err_plus":5e-07,"err_minus":5e-07,"band":"SDSS:g","method":"J/ApJ/773/14/table3","source":"vizier","reference":"J/ApJ/773/14/table3","ref_year":null},{"parameter":"sed_flux","value":7.35e-06,"value_text":null,"unit":"Jy","err_plus":8.4e-07,"err_minus":8.4e-07,"band":"SDSS:u","method":"J/ApJ/773/14/table3","source":"vizier","reference":"J/ApJ/773/14/table3","ref_year":null},{"parameter":"sed_flux","value":1.77e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:z'","method":"J/MNRAS/396/223/qsos","source":"vizier","reference":"J/MNRAS/396/223/qsos","ref_year":null},{"parameter":"sed_flux","value":1.36e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:i'","method":"J/MNRAS/396/223/qsos","source":"vizier","reference":"J/MNRAS/396/223/qsos","ref_year":null},{"parameter":"sed_flux","value":1.34e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:r'","method":"J/MNRAS/396/223/qsos","source":"vizier","reference":"J/MNRAS/396/223/qsos","ref_year":null},{"parameter":"sed_flux","value":1.39e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:g'","method":"J/MNRAS/396/223/qsos","source":"vizier","reference":"J/MNRAS/396/223/qsos","ref_year":null},{"parameter":"sed_flux","value":7.2e-06,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:u'","method":"J/MNRAS/396/223/qsos","source":"vizier","reference":"J/MNRAS/396/223/qsos","ref_year":null},{"parameter":"sed_flux","value":1.87e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:z","method":"J/MNRAS/419/80/catalog","source":"vizier","reference":"J/MNRAS/419/80/catalog","ref_year":null},{"parameter":"sed_flux","value":1.47e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:i","method":"J/MNRAS/419/80/catalog","source":"vizier","reference":"J/MNRAS/419/80/catalog","ref_year":null},{"parameter":"sed_flux","value":1.48e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:r","method":"J/MNRAS/419/80/catalog","source":"vizier","reference":"J/MNRAS/419/80/catalog","ref_year":null},{"parameter":"sed_flux","value":1.59e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:g","method":"J/MNRAS/419/80/catalog","source":"vizier","reference":"J/MNRAS/419/80/catalog","ref_year":null},{"parameter":"sed_flux","value":8.67e-06,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:u","method":"J/MNRAS/419/80/catalog","source":"vizier","reference":"J/MNRAS/419/80/catalog","ref_year":null},{"parameter":"sed_flux","value":1.8e-05,"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":1.38e-05,"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":1.34e-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":1.4e-05,"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":7.23e-06,"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":7.42e-06,"value_text":null,"unit":"Jy","err_plus":8.5e-07,"err_minus":8.5e-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":2.97e-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":6.36e-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":8.56e-06,"value_text":null,"unit":"Jy","err_plus":4.89e-06,"err_minus":4.89e-06,"band":"POSS-II:J","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":2.28e-05,"value_text":null,"unit":"Jy","err_plus":1.16e-05,"err_minus":1.16e-05,"band":"Johnson:B","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":2.31e-05,"value_text":null,"unit":"Jy","err_plus":4.1e-06,"err_minus":4.1e-06,"band":"SDSS:z","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":9.21e-06,"value_text":null,"unit":"Jy","err_plus":4.2e-07,"err_minus":4.2e-07,"band":"SDSS:i","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":6.96e-06,"value_text":null,"unit":"Jy","err_plus":1.26e-06,"err_minus":1.26e-06,"band":"SDSS:r","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":9.25e-06,"value_text":null,"unit":"Jy","err_plus":7e-07,"err_minus":7e-07,"band":"SDSS:g","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":7.3e-06,"value_text":null,"unit":"Jy","err_plus":8.9e-07,"err_minus":8.9e-07,"band":"SDSS:u","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":2.31e-05,"value_text":null,"unit":"Jy","err_plus":4.1e-06,"err_minus":4.1e-06,"band":"PAN-STARRS/PS1:z","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":9.18e-06,"value_text":null,"unit":"Jy","err_plus":4.2e-07,"err_minus":4.2e-07,"band":"PAN-STARRS/PS1:i","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 J080457.69+542151.8","fetched_at":"2026-09-16T05:30:05.364697+00:00"},{"source":"ned","url":"https://ned.ipac.caltech.edu/byname?objname=SDSS J080457.69+542151.7","fetched_at":"2026-09-16T05:30:06.955665+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=121.240412%20+54.364399&-c.rs=5","fetched_at":"2026-09-16T05:30:13.523177+00:00"}]}