{"id":3619520,"slug":"sdss-j081808-36-495239-3","name":"SDSS J081808.36+495239.3","domain":"deep-sky","class":"quasar","otype":"QSO","otype_label":"QSO","ra":124.534836,"dec":49.877607,"coo_err_mas":null,"coo_bibcode":"2018A&A...613A..51P","plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":131618.38,"redshift":0.601644,"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":6,"simbad_oid":15141546,"gaia_dr3":null,"jpl_spkid":null,"ned_name":"SDSS J081807.94+495247.3","exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-10-24T07:12:24.037191+00:00","views":10,"first_seen":"2026-08-14T16:54:06.947599+00:00","updated_at":"2026-08-14T16:54:06.947599+00:00","identifiers":["SDSS J081808.36+495239.3"],"measurements":[{"parameter":"magnitude","value":21.8925,"value_text":null,"unit":"mag","err_plus":0.1721,"err_minus":0.1721,"band":"u","method":"A","source":"simbad","reference":"2020ApJS..250....8L","ref_year":2020},{"parameter":"magnitude","value":21.3848,"value_text":null,"unit":"mag","err_plus":0.0564,"err_minus":0.0564,"band":"g","method":"A","source":"simbad","reference":"2020ApJS..250....8L","ref_year":2020},{"parameter":"magnitude","value":21.135,"value_text":null,"unit":"mag","err_plus":0.0566,"err_minus":0.0566,"band":"r","method":"A","source":"simbad","reference":"2020ApJS..250....8L","ref_year":2020},{"parameter":"magnitude","value":20.4232,"value_text":null,"unit":"mag","err_plus":0.0437,"err_minus":0.0437,"band":"i","method":"A","source":"simbad","reference":"2020ApJS..250....8L","ref_year":2020},{"parameter":"magnitude","value":20.134,"value_text":null,"unit":"mag","err_plus":0.1436,"err_minus":0.1436,"band":"z","method":"A","source":"simbad","reference":"2020ApJS..250....8L","ref_year":2020},{"parameter":"radial_velocity","value":0.601565,"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":0.6017,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"2019ApJS..244...36C","ref_year":2019},{"parameter":"radial_velocity","value":0.601644,"value_text":null,"unit":"km/s","err_plus":0.00021,"err_minus":0.00021,"band":null,"method":"z","source":"simbad","reference":"2018A&A...613A..51P","ref_year":2018},{"parameter":"sed_flux","value":2.09e-05,"value_text":null,"unit":"Jy","err_plus":5e-07,"err_minus":5e-07,"band":"SDSS:i","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":1.23e-05,"value_text":null,"unit":"Jy","err_plus":4e-07,"err_minus":4e-07,"band":"SDSS:r","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":8.31e-06,"value_text":null,"unit":"Jy","err_plus":6.6e-07,"err_minus":6.6e-07,"band":"SDSS:g","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":6.57e-06,"value_text":null,"unit":"Jy","err_plus":1.13e-06,"err_minus":1.13e-06,"band":"SDSS:u","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.00199,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W4","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":0.00023,"value_text":null,"unit":"Jy","err_plus":0.000106,"err_minus":0.000106,"band":"WISE:W3","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":0.000121,"value_text":null,"unit":"Jy","err_plus":1.3e-05,"err_minus":1.3e-05,"band":"WISE:W2","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":0.000126,"value_text":null,"unit":"Jy","err_plus":8e-06,"err_minus":8e-06,"band":"WISE:W1","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":2.27e-06,"value_text":null,"unit":"Jy","err_plus":3.9e-07,"err_minus":3.9e-07,"band":"GALEX:NUV","method":"II/312/mis","source":"vizier","reference":"II/312/mis","ref_year":null},{"parameter":"sed_flux","value":0.00207,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W4","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":0.000503,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W3","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":0.000106,"value_text":null,"unit":"Jy","err_plus":1e-05,"err_minus":1e-05,"band":"WISE:W2","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":0.000119,"value_text":null,"unit":"Jy","err_plus":6e-06,"err_minus":6e-06,"band":"WISE:W1","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":3.3e-05,"value_text":null,"unit":"Jy","err_plus":1e-06,"err_minus":1e-06,"band":"PAN-STARRS/PS1:y","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":2.7e-05,"value_text":null,"unit":"Jy","err_plus":1.2e-06,"err_minus":1.2e-06,"band":"PAN-STARRS/PS1:z","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":2.08e-05,"value_text":null,"unit":"Jy","err_plus":5e-07,"err_minus":5e-07,"band":"PAN-STARRS/PS1:i","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":1.23e-05,"value_text":null,"unit":"Jy","err_plus":4e-07,"err_minus":4e-07,"band":"PAN-STARRS/PS1:r","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":8.29e-06,"value_text":null,"unit":"Jy","err_plus":6.6e-07,"err_minus":6.6e-07,"band":"PAN-STARRS/PS1:g","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":9.84e-05,"value_text":null,"unit":"Jy","err_plus":4e-06,"err_minus":4e-06,"band":"WISE:W2","method":"II/365/catwise","source":"vizier","reference":"II/365/catwise","ref_year":null},{"parameter":"sed_flux","value":0.000113,"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":3.3e-05,"value_text":null,"unit":"Jy","err_plus":1e-06,"err_minus":1e-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":2.7e-05,"value_text":null,"unit":"Jy","err_plus":1.3e-06,"err_minus":1.3e-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":2.08e-05,"value_text":null,"unit":"Jy","err_plus":4e-07,"err_minus":4e-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":1.23e-05,"value_text":null,"unit":"Jy","err_plus":4e-07,"err_minus":4e-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":8.29e-06,"value_text":null,"unit":"Jy","err_plus":6.4e-07,"err_minus":6.4e-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":3.55e-05,"value_text":null,"unit":"Jy","err_plus":4.7e-06,"err_minus":4.7e-06,"band":"SDSS:z","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":2.72e-05,"value_text":null,"unit":"Jy","err_plus":1.1e-06,"err_minus":1.1e-06,"band":"SDSS:i","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":1.43e-05,"value_text":null,"unit":"Jy","err_plus":7e-07,"err_minus":7e-07,"band":"SDSS:r","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":1.07e-05,"value_text":null,"unit":"Jy","err_plus":6e-07,"err_minus":6e-07,"band":"SDSS:g","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":6.49e-06,"value_text":null,"unit":"Jy","err_plus":1.11e-06,"err_minus":1.11e-06,"band":"SDSS:u","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":0.00207,"value_text":null,"unit":"Jy","err_plus":0.0001,"err_minus":0.0001,"band":"WISE:W4","method":"VII/286/dr14q","source":"vizier","reference":"VII/286/dr14q","ref_year":null},{"parameter":"sed_flux","value":0.000503,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W3","method":"VII/286/dr14q","source":"vizier","reference":"VII/286/dr14q","ref_year":null},{"parameter":"sed_flux","value":0.000106,"value_text":null,"unit":"Jy","err_plus":1e-05,"err_minus":1e-05,"band":"WISE:W2","method":"VII/286/dr14q","source":"vizier","reference":"VII/286/dr14q","ref_year":null},{"parameter":"sed_flux","value":0.000119,"value_text":null,"unit":"Jy","err_plus":6e-06,"err_minus":6e-06,"band":"WISE:W1","method":"VII/286/dr14q","source":"vizier","reference":"VII/286/dr14q","ref_year":null},{"parameter":"sed_flux","value":0.000116,"value_text":null,"unit":"Jy","err_plus":9e-06,"err_minus":9e-06,"band":"WISE:W2","method":"VII/289/dr16q","source":"vizier","reference":"VII/289/dr16q","ref_year":null},{"parameter":"sed_flux","value":0.000124,"value_text":null,"unit":"Jy","err_plus":4e-06,"err_minus":4e-06,"band":"WISE:W1","method":"VII/289/dr16q","source":"vizier","reference":"VII/289/dr16q","ref_year":null},{"parameter":"sed_flux","value":2.87e-06,"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":1.34e-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":3.19e-05,"value_text":null,"unit":"Jy","err_plus":4.3e-06,"err_minus":4.3e-06,"band":"SDSS:z","method":"J/ApJS/219/39/cand","source":"vizier","reference":"J/ApJS/219/39/cand","ref_year":null},{"parameter":"sed_flux","value":2.46e-05,"value_text":null,"unit":"Jy","err_plus":1e-06,"err_minus":1e-06,"band":"SDSS:i","method":"J/ApJS/219/39/cand","source":"vizier","reference":"J/ApJS/219/39/cand","ref_year":null},{"parameter":"sed_flux","value":1.28e-05,"value_text":null,"unit":"Jy","err_plus":7e-07,"err_minus":7e-07,"band":"SDSS:r","method":"J/ApJS/219/39/cand","source":"vizier","reference":"J/ApJS/219/39/cand","ref_year":null},{"parameter":"sed_flux","value":1.02e-05,"value_text":null,"unit":"Jy","err_plus":5e-07,"err_minus":5e-07,"band":"SDSS:g","method":"J/ApJS/219/39/cand","source":"vizier","reference":"J/ApJS/219/39/cand","ref_year":null},{"parameter":"sed_flux","value":6.32e-06,"value_text":null,"unit":"Jy","err_plus":1.02e-06,"err_minus":1.02e-06,"band":"SDSS:u","method":"J/ApJS/219/39/cand","source":"vizier","reference":"J/ApJS/219/39/cand","ref_year":null},{"parameter":"sed_flux","value":2.27e-06,"value_text":null,"unit":"Jy","err_plus":3.9e-07,"err_minus":3.9e-07,"band":"GALEX:NUV","method":"J/ApJS/219/39/cand","source":"vizier","reference":"J/ApJS/219/39/cand","ref_year":null},{"parameter":"sed_flux","value":3.56e-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":2.73e-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":1.44e-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":1.08e-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":6.6e-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":1.11e-06,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:u","method":"J/MNRAS/493/2745/dr14quv","source":"vizier","reference":"J/MNRAS/493/2745/dr14quv","ref_year":null},{"parameter":"sed_flux","value":6.06e-07,"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":9.59e-07,"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":2.45e-05,"value_text":null,"unit":"Jy","err_plus":1.27e-05,"err_minus":1.27e-05,"band":"POSS-II:F","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":6.09e-06,"value_text":null,"unit":"Jy","err_plus":3.09e-06,"err_minus":3.09e-06,"band":"POSS-II:J","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":0.00207,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W4","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.000503,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W3","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.000106,"value_text":null,"unit":"Jy","err_plus":1e-05,"err_minus":1e-05,"band":"WISE:W2","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.000119,"value_text":null,"unit":"Jy","err_plus":6e-06,"err_minus":6e-06,"band":"WISE:W1","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":2.7e-05,"value_text":null,"unit":"Jy","err_plus":1.2e-06,"err_minus":1.2e-06,"band":"SDSS:z","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null}],"orbit":null,"exoplanet":null,"sources":[{"source":"ned","url":"https://ned.ipac.caltech.edu/byname?objname=SDSS J081807.94+495247.3","fetched_at":"2026-10-24T07:12:11.912174+00:00"},{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=SDSS J081808.36+495239.3","fetched_at":"2026-10-24T07:12:10.651856+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=124.534836%20+49.877607&-c.rs=5","fetched_at":"2026-10-24T07:12:24.033287+00:00"}]}