{"id":2513411,"slug":"galex-j081918-8-445259","name":"GALEX J081918.8+445259","domain":"deep-sky","class":"star","otype":"WD*","otype_label":"WhiteDwarf","ra":124.82804118926998,"dec":44.88323134666,"coo_err_mas":0.3873,"coo_bibcode":"2020yCat.1350....0G","plx_mas":3.423,"pmra":1.135,"pmdec":1.53,"rv_kms":38.970486,"redshift":0.00013,"dist_pc":null,"vmag":null,"bmag":null,"gmag":19.791655,"jmag":null,"kmag":null,"sp_type":"DA","morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":6,"simbad_oid":4529690,"gaia_dr3":928523550884377984,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-08-27T23:17:16.627416+00:00","views":4,"first_seen":"2026-08-14T16:51:42.262713+00:00","updated_at":"2026-08-14T16:51:42.262713+00:00","identifiers":["Gaia DR2 928523550884377984","Gaia DR3 928523550884377984","GALEX J081918.8+445259","SDSS J081918.72+445259.5","SDSS J081918.72+445259.6","WD 0815+450"],"measurements":[{"parameter":"distance","value":228.53,"value_text":null,"unit":"pc","err_plus":48.55,"err_minus":-48.55,"band":null,"method":"ST-L","source":"simbad","reference":"2017MNRAS.469.2102A","ref_year":2017},{"parameter":"effective_temperature","value":9465.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2017MNRAS.469.2102A","ref_year":2017},{"parameter":"effective_temperature","value":9382.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2013ApJS..204....5K","ref_year":2013},{"parameter":"effective_temperature","value":9526.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2006ApJS..167...40E","ref_year":2006},{"parameter":"magnitude","value":19.791655,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"G","method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"magnitude","value":19.791655,"value_text":null,"unit":"mag","err_plus":0.004762,"err_minus":0.004762,"band":"G","method":"V","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"magnitude","value":19.878,"value_text":null,"unit":"mag","err_plus":0.027,"err_minus":0.027,"band":"i","method":"A","source":"simbad","reference":"2015ApJS..219...12A","ref_year":2015},{"parameter":"magnitude","value":20.033,"value_text":null,"unit":"mag","err_plus":0.093,"err_minus":0.093,"band":"z","method":"A","source":"simbad","reference":"2015ApJS..219...12A","ref_year":2015},{"parameter":"magnitude","value":20.345,"value_text":null,"unit":"mag","err_plus":0.043,"err_minus":0.043,"band":"u","method":"A","source":"simbad","reference":"2015ApJS..219...12A","ref_year":2015},{"parameter":"magnitude","value":19.882,"value_text":null,"unit":"mag","err_plus":0.015,"err_minus":0.015,"band":"g","method":"A","source":"simbad","reference":"2015ApJS..219...12A","ref_year":2015},{"parameter":"magnitude","value":19.855,"value_text":null,"unit":"mag","err_plus":0.018,"err_minus":0.018,"band":"r","method":"A","source":"simbad","reference":"2015ApJS..219...12A","ref_year":2015},{"parameter":"parallax","value":3.422985435392246,"value_text":null,"unit":"mas","err_plus":0.45727476,"err_minus":0.45727476,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"parallax","value":3.423,"value_text":null,"unit":"mas","err_plus":0.4573,"err_minus":0.4573,"band":null,"method":null,"source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"parallax","value":2.8349,"value_text":null,"unit":"mas","err_plus":0.6103,"err_minus":0.6103,"band":null,"method":null,"source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"pm_dec","value":1.5300469190367538,"value_text":null,"unit":"mas/yr","err_plus":0.37444815,"err_minus":0.37444815,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"pm_dec","value":1.53,"value_text":null,"unit":"mas/yr","err_plus":0.374,"err_minus":0.374,"band":null,"method":"ICRS","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"pm_dec","value":2.528,"value_text":null,"unit":"mas/yr","err_plus":0.749,"err_minus":0.749,"band":null,"method":"ICRS","source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"pm_dec","value":-5.0,"value_text":null,"unit":"mas/yr","err_plus":4.0,"err_minus":4.0,"band":null,"method":"ICRS","source":"simbad","reference":"2008ApJS..175..297A","ref_year":2008},{"parameter":"pm_ra","value":1.1345509187301484,"value_text":null,"unit":"mas/yr","err_plus":0.41369972,"err_minus":0.41369972,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"pm_ra","value":1.135,"value_text":null,"unit":"mas/yr","err_plus":0.414,"err_minus":0.414,"band":null,"method":"ICRS","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"pm_ra","value":1.235,"value_text":null,"unit":"mas/yr","err_plus":0.852,"err_minus":0.852,"band":null,"method":"ICRS","source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"pm_ra","value":1.0,"value_text":null,"unit":"mas/yr","err_plus":4.0,"err_minus":4.0,"band":null,"method":"ICRS","source":"simbad","reference":"2008ApJS..175..297A","ref_year":2008},{"parameter":"radial_velocity","value":71.89,"value_text":null,"unit":"km/s","err_plus":26.64,"err_minus":26.64,"band":null,"method":"v","source":"simbad","reference":"2017MNRAS.469.2102A","ref_year":2017},{"parameter":"radial_velocity","value":-0.00049,"value_text":null,"unit":"km/s","err_plus":0.00029,"err_minus":0.00029,"band":null,"method":"z","source":"simbad","reference":"2015ApJS..219...12A","ref_year":2015},{"parameter":"radial_velocity","value":0.00013,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"2008ApJS..175..297A","ref_year":2008},{"parameter":"ruwe","value":0.98112947,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"sed_flux","value":2.68e-05,"value_text":null,"unit":"Jy","err_plus":1.1e-06,"err_minus":1.1e-06,"band":"SDSS:u","method":"J/MNRAS/508/3877/sdssspec","source":"vizier","reference":"J/MNRAS/508/3877/sdssspec","ref_year":null},{"parameter":"sed_flux","value":4.07e-05,"value_text":null,"unit":"Jy","err_plus":1e-06,"err_minus":1e-06,"band":"SDSS:i","method":"J/MNRAS/508/3877/maincat","source":"vizier","reference":"J/MNRAS/508/3877/maincat","ref_year":null},{"parameter":"sed_flux","value":4.17e-05,"value_text":null,"unit":"Jy","err_plus":7e-07,"err_minus":7e-07,"band":"SDSS:r","method":"J/MNRAS/508/3877/maincat","source":"vizier","reference":"J/MNRAS/508/3877/maincat","ref_year":null},{"parameter":"sed_flux","value":4.06e-05,"value_text":null,"unit":"Jy","err_plus":6e-07,"err_minus":6e-07,"band":"SDSS:g","method":"J/MNRAS/508/3877/maincat","source":"vizier","reference":"J/MNRAS/508/3877/maincat","ref_year":null},{"parameter":"sed_flux","value":2.68e-05,"value_text":null,"unit":"Jy","err_plus":1.1e-06,"err_minus":1.1e-06,"band":"SDSS:u","method":"J/MNRAS/508/3877/maincat","source":"vizier","reference":"J/MNRAS/508/3877/maincat","ref_year":null},{"parameter":"sed_flux","value":3.52e-05,"value_text":null,"unit":"Jy","err_plus":3e-06,"err_minus":3e-06,"band":"SDSS:z","method":"J/MNRAS/508/3877/sdssspec","source":"vizier","reference":"J/MNRAS/508/3877/sdssspec","ref_year":null},{"parameter":"sed_flux","value":4.07e-05,"value_text":null,"unit":"Jy","err_plus":1e-06,"err_minus":1e-06,"band":"SDSS:i","method":"J/MNRAS/508/3877/sdssspec","source":"vizier","reference":"J/MNRAS/508/3877/sdssspec","ref_year":null},{"parameter":"sed_flux","value":4.17e-05,"value_text":null,"unit":"Jy","err_plus":7e-07,"err_minus":7e-07,"band":"SDSS:r","method":"J/MNRAS/508/3877/sdssspec","source":"vizier","reference":"J/MNRAS/508/3877/sdssspec","ref_year":null},{"parameter":"sed_flux","value":4.06e-05,"value_text":null,"unit":"Jy","err_plus":6e-07,"err_minus":6e-07,"band":"SDSS:g","method":"J/MNRAS/508/3877/sdssspec","source":"vizier","reference":"J/MNRAS/508/3877/sdssspec","ref_year":null},{"parameter":"sed_flux","value":5.82e-05,"value_text":null,"unit":"Jy","err_plus":2.54e-05,"err_minus":2.54e-05,"band":"POSS-II:F","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":3.41e-05,"value_text":null,"unit":"Jy","err_plus":1.39e-05,"err_minus":1.39e-05,"band":"POSS-II:J","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":2.84e-05,"value_text":null,"unit":"Jy","err_plus":4.2e-06,"err_minus":4.2e-06,"band":"Johnson:B","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":3.77e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"I/337/gaia","source":"vizier","reference":"I/337/gaia","ref_year":null},{"parameter":"sed_flux","value":3.77e-05,"value_text":null,"unit":"Jy","err_plus":3e-07,"err_minus":3e-07,"band":"Gaia:G","method":"I/339/hsoy","source":"vizier","reference":"I/339/hsoy","ref_year":null},{"parameter":"sed_flux","value":3.43e-05,"value_text":null,"unit":"Jy","err_plus":2.8e-06,"err_minus":2.8e-06,"band":"GAIA/GAIA2:Grp","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":3.85e-05,"value_text":null,"unit":"Jy","err_plus":2e-07,"err_minus":2e-07,"band":"GAIA/GAIA2:G","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":3.77e-05,"value_text":null,"unit":"Jy","err_plus":2.1e-06,"err_minus":2.1e-06,"band":"GAIA/GAIA2:Gbp","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":3.96e-05,"value_text":null,"unit":"Jy","err_plus":2.7e-06,"err_minus":2.7e-06,"band":"GAIA/GAIA3:Grp","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":3.91e-05,"value_text":null,"unit":"Jy","err_plus":2e-07,"err_minus":2e-07,"band":"GAIA/GAIA3:G","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":3.94e-05,"value_text":null,"unit":"Jy","err_plus":1.8e-06,"err_minus":1.8e-06,"band":"GAIA/GAIA3:Gbp","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":3.5e-05,"value_text":null,"unit":"Jy","err_plus":8e-07,"err_minus":8e-07,"band":"SDSS:z","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":3.95e-05,"value_text":null,"unit":"Jy","err_plus":3e-07,"err_minus":3e-07,"band":"SDSS:i","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":3.22e-05,"value_text":null,"unit":"Jy","err_plus":1.7e-06,"err_minus":1.7e-06,"band":"Gaia:G","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":4.3e-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":4.13e-05,"value_text":null,"unit":"Jy","err_plus":6e-07,"err_minus":6e-07,"band":"SDSS:g","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":2.69e-05,"value_text":null,"unit":"Jy","err_plus":1.1e-06,"err_minus":1.1e-06,"band":"SDSS:u","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":1.29e-05,"value_text":null,"unit":"Jy","err_plus":2.3e-06,"err_minus":2.3e-06,"band":"GALEX:NUV","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":3.96e-05,"value_text":null,"unit":"Jy","err_plus":2.7e-06,"err_minus":2.7e-06,"band":"GAIA/GAIA3:Grp","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":3.91e-05,"value_text":null,"unit":"Jy","err_plus":2e-07,"err_minus":2e-07,"band":"GAIA/GAIA3:G","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":3.94e-05,"value_text":null,"unit":"Jy","err_plus":1.8e-06,"err_minus":1.8e-06,"band":"GAIA/GAIA3:Gbp","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":1.35e-05,"value_text":null,"unit":"Jy","err_plus":2.5e-06,"err_minus":2.5e-06,"band":"GALEX:NUV","method":"II/312/ais","source":"vizier","reference":"II/312/ais","ref_year":null},{"parameter":"sed_flux","value":1.29e-05,"value_text":null,"unit":"Jy","err_plus":2.3e-06,"err_minus":2.3e-06,"band":"GALEX:NUV","method":"II/335/galex_ais","source":"vizier","reference":"II/335/galex_ais","ref_year":null},{"parameter":"sed_flux","value":3.43e-05,"value_text":null,"unit":"Jy","err_plus":3.7e-06,"err_minus":3.7e-06,"band":"PAN-STARRS/PS1:y","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":3.5e-05,"value_text":null,"unit":"Jy","err_plus":8e-07,"err_minus":8e-07,"band":"PAN-STARRS/PS1:z","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":3.94e-05,"value_text":null,"unit":"Jy","err_plus":3e-07,"err_minus":3e-07,"band":"PAN-STARRS/PS1:i","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":4.28e-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":4.12e-05,"value_text":null,"unit":"Jy","err_plus":6e-07,"err_minus":6e-07,"band":"PAN-STARRS/PS1:g","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":3.43e-05,"value_text":null,"unit":"Jy","err_plus":3.7e-06,"err_minus":3.7e-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":3.5e-05,"value_text":null,"unit":"Jy","err_plus":7e-07,"err_minus":7e-07,"band":"PAN-STARRS/PS1:z","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":3.94e-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":4.28e-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":4.12e-05,"value_text":null,"unit":"Jy","err_plus":6e-07,"err_minus":6e-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":3.5e-05,"value_text":null,"unit":"Jy","err_plus":3e-06,"err_minus":3e-06,"band":"SDSS:z","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":4.06e-05,"value_text":null,"unit":"Jy","err_plus":1e-06,"err_minus":1e-06,"band":"SDSS:i","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":3.52e-05,"value_text":null,"unit":"Jy","err_plus":2e-07,"err_minus":2e-07,"band":"Gaia:G","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":4.15e-05,"value_text":null,"unit":"Jy","err_plus":7e-07,"err_minus":7e-07,"band":"SDSS:r","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":4.14e-05,"value_text":null,"unit":"Jy","err_plus":1.8e-06,"err_minus":1.8e-06,"band":"Johnson:V","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":4.05e-05,"value_text":null,"unit":"Jy","err_plus":6e-07,"err_minus":6e-07,"band":"SDSS:g","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":2.64e-05,"value_text":null,"unit":"Jy","err_plus":1e-06,"err_minus":1e-06,"band":"SDSS:u","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":3.5e-05,"value_text":null,"unit":"Jy","err_plus":3e-06,"err_minus":3e-06,"band":"SDSS:z","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":4.06e-05,"value_text":null,"unit":"Jy","err_plus":1e-06,"err_minus":1e-06,"band":"SDSS:i","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":3.52e-05,"value_text":null,"unit":"Jy","err_plus":2e-07,"err_minus":2e-07,"band":"Gaia:G","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":4.15e-05,"value_text":null,"unit":"Jy","err_plus":7e-07,"err_minus":7e-07,"band":"SDSS:r","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":4.14e-05,"value_text":null,"unit":"Jy","err_plus":1.8e-06,"err_minus":1.8e-06,"band":"Johnson:V","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":4.05e-05,"value_text":null,"unit":"Jy","err_plus":6e-07,"err_minus":6e-07,"band":"SDSS:g","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":2.64e-05,"value_text":null,"unit":"Jy","err_plus":1e-06,"err_minus":1e-06,"band":"SDSS:u","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":3.44e-05,"value_text":null,"unit":"Jy","err_plus":3.1e-06,"err_minus":3.1e-06,"band":"SDSS:z","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":3.99e-05,"value_text":null,"unit":"Jy","err_plus":1e-06,"err_minus":1e-06,"band":"SDSS:i","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":4.28e-05,"value_text":null,"unit":"Jy","err_plus":8e-07,"err_minus":8e-07,"band":"SDSS:r","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":4.1e-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":2.62e-05,"value_text":null,"unit":"Jy","err_plus":1.1e-06,"err_minus":1.1e-06,"band":"SDSS:u","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":4.03e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:g","method":"B/wd/catalog","source":"vizier","reference":"B/wd/catalog","ref_year":null},{"parameter":"sed_flux","value":3.52e-05,"value_text":null,"unit":"Jy","err_plus":2.9e-06,"err_minus":2.9e-06,"band":"SDSS:z'","method":"J/ApJS/167/40/catalog","source":"vizier","reference":"J/ApJS/167/40/catalog","ref_year":null},{"parameter":"sed_flux","value":4.08e-05,"value_text":null,"unit":"Jy","err_plus":1.1e-06,"err_minus":1.1e-06,"band":"SDSS:i'","method":"J/ApJS/167/40/catalog","source":"vizier","reference":"J/ApJS/167/40/catalog","ref_year":null},{"parameter":"sed_flux","value":4.22e-05,"value_text":null,"unit":"Jy","err_plus":7e-07,"err_minus":7e-07,"band":"SDSS:r'","method":"J/ApJS/167/40/catalog","source":"vizier","reference":"J/ApJS/167/40/catalog","ref_year":null},{"parameter":"sed_flux","value":4.03e-05,"value_text":null,"unit":"Jy","err_plus":8e-07,"err_minus":8e-07,"band":"SDSS:g'","method":"J/ApJS/167/40/catalog","source":"vizier","reference":"J/ApJS/167/40/catalog","ref_year":null},{"parameter":"sed_flux","value":2.78e-05,"value_text":null,"unit":"Jy","err_plus":1.3e-06,"err_minus":1.3e-06,"band":"SDSS:u'","method":"J/ApJS/167/40/catalog","source":"vizier","reference":"J/ApJS/167/40/catalog","ref_year":null},{"parameter":"sed_flux","value":3.53e-05,"value_text":null,"unit":"Jy","err_plus":2.9e-06,"err_minus":2.9e-06,"band":"SDSS:z","method":"J/ApJS/204/5/table2","source":"vizier","reference":"J/ApJS/204/5/table2","ref_year":null},{"parameter":"sed_flux","value":4.07e-05,"value_text":null,"unit":"Jy","err_plus":1.1e-06,"err_minus":1.1e-06,"band":"SDSS:i","method":"J/ApJS/204/5/table2","source":"vizier","reference":"J/ApJS/204/5/table2","ref_year":null},{"parameter":"sed_flux","value":4.19e-05,"value_text":null,"unit":"Jy","err_plus":8e-07,"err_minus":8e-07,"band":"SDSS:r","method":"J/ApJS/204/5/table2","source":"vizier","reference":"J/ApJS/204/5/table2","ref_year":null},{"parameter":"sed_flux","value":3.99e-05,"value_text":null,"unit":"Jy","err_plus":7e-07,"err_minus":7e-07,"band":"SDSS:g","method":"J/ApJS/204/5/table2","source":"vizier","reference":"J/ApJS/204/5/table2","ref_year":null},{"parameter":"sed_flux","value":2.74e-05,"value_text":null,"unit":"Jy","err_plus":1.3e-06,"err_minus":1.3e-06,"band":"SDSS:u","method":"J/ApJS/204/5/table2","source":"vizier","reference":"J/ApJS/204/5/table2","ref_year":null},{"parameter":"sed_flux","value":3.54e-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":4.07e-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":4.19e-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":4.01e-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":2.75e-05,"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":3.89e-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":4.64e-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":4.99e-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":5.1e-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":3.81e-05,"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":3.81e-05,"value_text":null,"unit":"Jy","err_plus":3.3e-06,"err_minus":3.3e-06,"band":"SDSS:z","method":"J/MNRAS/482/4570/gaia2wd","source":"vizier","reference":"J/MNRAS/482/4570/gaia2wd","ref_year":null},{"parameter":"sed_flux","value":4.18e-05,"value_text":null,"unit":"Jy","err_plus":1e-06,"err_minus":1e-06,"band":"SDSS:i","method":"J/MNRAS/482/4570/gaia2wd","source":"vizier","reference":"J/MNRAS/482/4570/gaia2wd","ref_year":null},{"parameter":"sed_flux","value":3.95e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/MNRAS/482/4570/gaia2wd","source":"vizier","reference":"J/MNRAS/482/4570/gaia2wd","ref_year":null},{"parameter":"sed_flux","value":4.22e-05,"value_text":null,"unit":"Jy","err_plus":7e-07,"err_minus":7e-07,"band":"SDSS:r","method":"J/MNRAS/482/4570/gaia2wd","source":"vizier","reference":"J/MNRAS/482/4570/gaia2wd","ref_year":null},{"parameter":"sed_flux","value":4.03e-05,"value_text":null,"unit":"Jy","err_plus":6e-07,"err_minus":6e-07,"band":"SDSS:g","method":"J/MNRAS/482/4570/gaia2wd","source":"vizier","reference":"J/MNRAS/482/4570/gaia2wd","ref_year":null},{"parameter":"sed_flux","value":2.82e-05,"value_text":null,"unit":"Jy","err_plus":1.1e-06,"err_minus":1.1e-06,"band":"SDSS:u","method":"J/MNRAS/482/4570/gaia2wd","source":"vizier","reference":"J/MNRAS/482/4570/gaia2wd","ref_year":null},{"parameter":"sed_flux","value":3.81e-05,"value_text":null,"unit":"Jy","err_plus":3.3e-06,"err_minus":3.3e-06,"band":"SDSS:z","method":"J/MNRAS/482/4570/gaiasdss","source":"vizier","reference":"J/MNRAS/482/4570/gaiasdss","ref_year":null},{"parameter":"sed_flux","value":4.18e-05,"value_text":null,"unit":"Jy","err_plus":1e-06,"err_minus":1e-06,"band":"SDSS:i","method":"J/MNRAS/482/4570/gaiasdss","source":"vizier","reference":"J/MNRAS/482/4570/gaiasdss","ref_year":null},{"parameter":"sed_flux","value":4.22e-05,"value_text":null,"unit":"Jy","err_plus":7e-07,"err_minus":7e-07,"band":"SDSS:r","method":"J/MNRAS/482/4570/gaiasdss","source":"vizier","reference":"J/MNRAS/482/4570/gaiasdss","ref_year":null},{"parameter":"sed_flux","value":4.03e-05,"value_text":null,"unit":"Jy","err_plus":6e-07,"err_minus":6e-07,"band":"SDSS:g","method":"J/MNRAS/482/4570/gaiasdss","source":"vizier","reference":"J/MNRAS/482/4570/gaiasdss","ref_year":null},{"parameter":"sed_flux","value":2.82e-05,"value_text":null,"unit":"Jy","err_plus":1.1e-06,"err_minus":1.1e-06,"band":"SDSS:u","method":"J/MNRAS/482/4570/gaiasdss","source":"vizier","reference":"J/MNRAS/482/4570/gaiasdss","ref_year":null},{"parameter":"sed_flux","value":3.52e-05,"value_text":null,"unit":"Jy","err_plus":3e-06,"err_minus":3e-06,"band":"SDSS:z","method":"J/MNRAS/508/3877/maincat","source":"vizier","reference":"J/MNRAS/508/3877/maincat","ref_year":null},{"parameter":"spectral_type","value":null,"value_text":"DA","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2021MNRAS.508.3877G","ref_year":2021},{"parameter":"spectral_type","value":null,"value_text":"D","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2021MNRAS.508.3877G","ref_year":2021},{"parameter":"spectral_type","value":null,"value_text":"DA","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2019MNRAS.482.4570G","ref_year":2019},{"parameter":"spectral_type","value":null,"value_text":"DA","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2013ApJS..204....5K","ref_year":2013},{"parameter":"spectral_type","value":null,"value_text":"DA","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2006ApJS..167...40E","ref_year":2006},{"parameter":"surface_gravity","value":8.507,"value_text":null,"unit":"log(cm/s2)","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2017MNRAS.469.2102A","ref_year":2017},{"parameter":"surface_gravity","value":8.55,"value_text":null,"unit":"log(cm/s2)","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2013ApJS..204....5K","ref_year":2013},{"parameter":"surface_gravity","value":8.64,"value_text":null,"unit":"log(cm/s2)","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2006ApJS..167...40E","ref_year":2006}],"orbit":null,"exoplanet":null,"sources":[{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=GALEX J081918.8+445259","fetched_at":"2026-08-27T23:17:04.417294+00:00"},{"source":"gaia-dr3","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-S?Gaia%20DR3%20928523550884377984","fetched_at":"2026-08-27T23:17:09.947824+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=124.828041%20+44.883231&-c.rs=5","fetched_at":"2026-08-27T23:17:16.625742+00:00"}]}