{"id":3079894,"slug":"sdss-j081805-56-284949-2","name":"SDSS J081805.56+284949.2","domain":"deep-sky","class":"quasar","otype":"QSO","otype_label":"QSO","ra":124.523175,"dec":28.83035,"coo_err_mas":null,"coo_bibcode":"2014A&A...563A..54P","plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":258668.56,"redshift":2.6851,"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":10418122,"gaia_dr3":null,"jpl_spkid":null,"ned_name":"SDSS J081805.56+284949.2","exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-08-24T11:26:42.395768+00:00","views":4,"first_seen":"2026-08-14T16:53:02.585078+00:00","updated_at":"2026-08-14T16:53:02.585078+00:00","identifiers":["SDSS J081805.56+284949.2"],"measurements":[{"parameter":"magnitude","value":20.6213,"value_text":null,"unit":"mag","err_plus":0.1999,"err_minus":0.1999,"band":"z","method":"A","source":"simbad","reference":"2020ApJS..250....8L","ref_year":2020},{"parameter":"magnitude","value":21.7285,"value_text":null,"unit":"mag","err_plus":0.1255,"err_minus":0.1255,"band":"u","method":"A","source":"simbad","reference":"2020ApJS..250....8L","ref_year":2020},{"parameter":"magnitude","value":21.2232,"value_text":null,"unit":"mag","err_plus":0.0431,"err_minus":0.0431,"band":"g","method":"A","source":"simbad","reference":"2020ApJS..250....8L","ref_year":2020},{"parameter":"magnitude","value":21.0793,"value_text":null,"unit":"mag","err_plus":0.0521,"err_minus":0.0521,"band":"r","method":"A","source":"simbad","reference":"2020ApJS..250....8L","ref_year":2020},{"parameter":"magnitude","value":20.9908,"value_text":null,"unit":"mag","err_plus":0.081,"err_minus":0.081,"band":"i","method":"A","source":"simbad","reference":"2020ApJS..250....8L","ref_year":2020},{"parameter":"radial_velocity","value":2.685,"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":2.685,"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":2.685675,"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":"radial_velocity","value":2.6851,"value_text":null,"unit":"km/s","err_plus":0.0006,"err_minus":0.0006,"band":null,"method":"z","source":"simbad","reference":"2014A&A...563A..54P","ref_year":2014},{"parameter":"redshift","value":2.6867998,"value_text":null,"unit":null,"err_plus":0.00074977597,"err_minus":0.00074977597,"band":null,"method":null,"source":"ned","reference":"2016SDSSD.C...0000:","ref_year":2016},{"parameter":"sed_flux","value":1.02e-05,"value_text":null,"unit":"Jy","err_plus":5e-07,"err_minus":5e-07,"band":"PAN-STARRS/PS1:r","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":8.04e-06,"value_text":null,"unit":"Jy","err_plus":5.1e-07,"err_minus":5.1e-07,"band":"PAN-STARRS/PS1:g","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":1.86e-05,"value_text":null,"unit":"Jy","err_plus":2.4e-06,"err_minus":2.4e-06,"band":"WISE:W1","method":"II/363/unwise","source":"vizier","reference":"II/363/unwise","ref_year":null},{"parameter":"sed_flux","value":1.93e-05,"value_text":null,"unit":"Jy","err_plus":4.3e-06,"err_minus":4.3e-06,"band":"WISE:W2","method":"II/365/catwise","source":"vizier","reference":"II/365/catwise","ref_year":null},{"parameter":"sed_flux","value":2.52e-05,"value_text":null,"unit":"Jy","err_plus":2.4e-06,"err_minus":2.4e-06,"band":"WISE:W1","method":"II/365/catwise","source":"vizier","reference":"II/365/catwise","ref_year":null},{"parameter":"sed_flux","value":1.38e-05,"value_text":null,"unit":"Jy","err_plus":2.2e-06,"err_minus":2.2e-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":1.08e-05,"value_text":null,"unit":"Jy","err_plus":5e-07,"err_minus":5e-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":1.02e-05,"value_text":null,"unit":"Jy","err_plus":5e-07,"err_minus":5e-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":8.04e-06,"value_text":null,"unit":"Jy","err_plus":6.3e-07,"err_minus":6.3e-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":1.21e-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":1.3e-05,"value_text":null,"unit":"Jy","err_plus":1.2e-06,"err_minus":1.2e-06,"band":"SDSS:i","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":1.08e-05,"value_text":null,"unit":"Jy","err_plus":9e-07,"err_minus":9e-07,"band":"SDSS:r","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":9.1e-06,"value_text":null,"unit":"Jy","err_plus":6.2e-07,"err_minus":6.2e-07,"band":"SDSS:g","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":3.25e-06,"value_text":null,"unit":"Jy","err_plus":1.32e-06,"err_minus":1.32e-06,"band":"SDSS:u","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":1.14e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W2","method":"V/161/zcatdr1","source":"vizier","reference":"V/161/zcatdr1","ref_year":null},{"parameter":"sed_flux","value":1.54e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W1","method":"V/161/zcatdr1","source":"vizier","reference":"V/161/zcatdr1","ref_year":null},{"parameter":"sed_flux","value":1.21e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"CTIO/DECam:z","method":"V/161/zcatdr1","source":"vizier","reference":"V/161/zcatdr1","ref_year":null},{"parameter":"sed_flux","value":1.14e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"CTIO/DECam:r","method":"V/161/zcatdr1","source":"vizier","reference":"V/161/zcatdr1","ref_year":null},{"parameter":"sed_flux","value":8.54e-06,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"CTIO/DECam:g","method":"V/161/zcatdr1","source":"vizier","reference":"V/161/zcatdr1","ref_year":null},{"parameter":"sed_flux","value":1.2e-07,"value_text":null,"unit":"Jy","err_plus":0.002784368,"err_minus":0.002784368,"band":"GALEX:NUV","method":"VII/269/dr9q","source":"vizier","reference":"VII/269/dr9q","ref_year":null},{"parameter":"sed_flux","value":-5.66e-08,"value_text":null,"unit":"Jy","err_plus":0.0027119876,"err_minus":0.0027119876,"band":"GALEX:FUV","method":"VII/269/dr9q","source":"vizier","reference":"VII/269/dr9q","ref_year":null},{"parameter":"sed_flux","value":1.2e-07,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"GALEX:NUV","method":"VII/270/dr10q","source":"vizier","reference":"VII/270/dr10q","ref_year":null},{"parameter":"sed_flux","value":-5.66e-08,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"GALEX:FUV","method":"VII/270/dr10q","source":"vizier","reference":"VII/270/dr10q","ref_year":null},{"parameter":"sed_flux","value":1.2e-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":-5.66e-08,"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":2.16e-06,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W2","method":"VII/289/dr16q","source":"vizier","reference":"VII/289/dr16q","ref_year":null},{"parameter":"sed_flux","value":1.47e-05,"value_text":null,"unit":"Jy","err_plus":5.1e-06,"err_minus":5.1e-06,"band":"WISE:W1","method":"VII/289/dr16q","source":"vizier","reference":"VII/289/dr16q","ref_year":null},{"parameter":"sed_flux","value":1.2e-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":-5.66e-08,"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":2.1e-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":1.47e-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":1.35e-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":1.19e-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":7.56e-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":2.18e-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":1.54e-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":1.45e-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":1.31e-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":8.61e-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":2.01e-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":1.43e-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":1.33e-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":1.17e-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":7.3e-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":7.48e-06,"value_text":null,"unit":"Jy","err_plus":8.7e-07,"err_minus":8.7e-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":6.12e-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":8.99e-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":6.62e-06,"value_text":null,"unit":"Jy","err_plus":3.64e-06,"err_minus":3.64e-06,"band":"POSS-II:J","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":2.3e-05,"value_text":null,"unit":"Jy","err_plus":7.5e-06,"err_minus":7.5e-06,"band":"Johnson:B","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":1.38e-05,"value_text":null,"unit":"Jy","err_plus":2.2e-06,"err_minus":2.2e-06,"band":"SDSS:z","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":1.08e-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":1.03e-05,"value_text":null,"unit":"Jy","err_plus":5e-07,"err_minus":5e-07,"band":"SDSS:r","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":8.06e-06,"value_text":null,"unit":"Jy","err_plus":5.1e-07,"err_minus":5.1e-07,"band":"SDSS:g","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":7.31e-06,"value_text":null,"unit":"Jy","err_plus":9e-07,"err_minus":9e-07,"band":"SDSS:u","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":1.38e-05,"value_text":null,"unit":"Jy","err_plus":2.2e-06,"err_minus":2.2e-06,"band":"PAN-STARRS/PS1:z","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":1.08e-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}],"orbit":null,"exoplanet":null,"sources":[{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=SDSS J081805.56+284949.2","fetched_at":"2026-08-24T11:25:37.324147+00:00"},{"source":"ned","url":"https://ned.ipac.caltech.edu/byname?objname=SDSS J081805.56+284949.2","fetched_at":"2026-08-24T11:25:39.050823+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=124.523175%20+28.830350&-c.rs=5","fetched_at":"2026-08-24T11:26:42.394059+00:00"}]}