{"id":6616,"slug":"hd-81817-b","name":"HD 81817 b","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":144.2715659,"dec":81.3263096,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":269.126,"vmag":4.26489,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":0,"simbad_oid":null,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"HD 81817 b","host_object_id":1644706,"depth":1,"deep_at":"2026-09-08T04:31:32.835869+00:00","views":6,"first_seen":"2026-08-14T16:25:51.971135+00:00","updated_at":"2026-09-13T03:31:17.289698+00:00","identifiers":[],"measurements":[{"parameter":"eccentricity","value":0.097,"value_text":null,"unit":null,"err_plus":0.09,"err_minus":0.057,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Feng et al. 2022","ref_year":2022},{"parameter":"eccentricity","value":0.17,"value_text":null,"unit":null,"err_plus":0.07,"err_minus":0.07,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Bang et al. 2020","ref_year":2020},{"parameter":"mass","value":7668.5638041,"value_text":null,"unit":"M_earth","err_plus":3097.87348303,"err_minus":219.61942924,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Feng et al. 2022","ref_year":2022},{"parameter":"mass","value":8613.193,"value_text":null,"unit":"M_earth","err_plus":667.443,"err_minus":667.443,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Bang et al. 2020","ref_year":2020},{"parameter":"orbital_period","value":1021.20159,"value_text":null,"unit":"d","err_plus":13.8837,"err_minus":9.8913,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Feng et al. 2022","ref_year":2022},{"parameter":"orbital_period","value":1047.1,"value_text":null,"unit":"d","err_plus":8.5,"err_minus":8.5,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Bang et al. 2020","ref_year":2020},{"parameter":"sed_flux","value":21.6,"value_text":null,"unit":"Jy","err_plus":0.3,"err_minus":0.3,"band":"Johnson:B","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":91.0,"value_text":null,"unit":"Jy","err_plus":0.6,"err_minus":0.6,"band":"Gaia:G","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":71.6,"value_text":null,"unit":"Jy","err_plus":1.5,"err_minus":1.5,"band":"Johnson:V","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":70.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"I/238A/picat","source":"vizier","reference":"I/238A/picat","ref_year":null},{"parameter":"sed_flux","value":70.6,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"I/239/hip_main","source":"vizier","reference":"I/239/hip_main","ref_year":null},{"parameter":"sed_flux","value":63.4,"value_text":null,"unit":"Jy","err_plus":0.2,"err_minus":0.2,"band":"HIP:VT","method":"I/239/hip_main","source":"vizier","reference":"I/239/hip_main","ref_year":null},{"parameter":"sed_flux","value":12.8,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"HIP:BT","method":"I/239/hip_main","source":"vizier","reference":"I/239/hip_main","ref_year":null},{"parameter":"sed_flux","value":63.6,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"HIP:Hp","method":"I/239/hip_main","source":"vizier","reference":"I/239/hip_main","ref_year":null},{"parameter":"sed_flux","value":72.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"I/239/tyc_main","source":"vizier","reference":"I/239/tyc_main","ref_year":null},{"parameter":"sed_flux","value":63.4,"value_text":null,"unit":"Jy","err_plus":0.2,"err_minus":0.2,"band":"HIP:VT","method":"I/239/tyc_main","source":"vizier","reference":"I/239/tyc_main","ref_year":null},{"parameter":"sed_flux","value":12.8,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"HIP:BT","method":"I/239/tyc_main","source":"vizier","reference":"I/239/tyc_main","ref_year":null},{"parameter":"sed_flux","value":1.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"IRAS:100","method":"I/270/cpirss01","source":"vizier","reference":"I/270/cpirss01","ref_year":null},{"parameter":"sed_flux","value":0.73,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"IRAS:60","method":"I/270/cpirss01","source":"vizier","reference":"I/270/cpirss01","ref_year":null},{"parameter":"sed_flux","value":4.35,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"IRAS:25","method":"I/270/cpirss01","source":"vizier","reference":"I/270/cpirss01","ref_year":null},{"parameter":"sed_flux","value":18.4,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"IRAS:12","method":"I/270/cpirss01","source":"vizier","reference":"I/270/cpirss01","ref_year":null},{"parameter":"sed_flux","value":63.6,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"HIP:VT","method":"I/275/ac2002","source":"vizier","reference":"I/275/ac2002","ref_year":null},{"parameter":"sed_flux","value":12.9,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"HIP:BT","method":"I/275/ac2002","source":"vizier","reference":"I/275/ac2002","ref_year":null},{"parameter":"sed_flux","value":330.0,"value_text":null,"unit":"Jy","err_plus":71.0,"err_minus":71.0,"band":"2MASS:Ks","method":"I/280B/ascc","source":"vizier","reference":"I/280B/ascc","ref_year":null},{"parameter":"sed_flux","value":463.0,"value_text":null,"unit":"Jy","err_plus":80.0,"err_minus":80.0,"band":"2MASS:H","method":"I/280B/ascc","source":"vizier","reference":"I/280B/ascc","ref_year":null},{"parameter":"sed_flux","value":330.0,"value_text":null,"unit":"Jy","err_plus":76.0,"err_minus":76.0,"band":"2MASS:J","method":"I/280B/ascc","source":"vizier","reference":"I/280B/ascc","ref_year":null},{"parameter":"sed_flux","value":463.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:H","method":"I/294A/ucac2bss","source":"vizier","reference":"I/294A/ucac2bss","ref_year":null},{"parameter":"sed_flux","value":330.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:J","method":"I/294A/ucac2bss","source":"vizier","reference":"I/294A/ucac2bss","ref_year":null},{"parameter":"sed_flux","value":70.6,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"I/294A/ucac2bss","source":"vizier","reference":"I/294A/ucac2bss","ref_year":null},{"parameter":"sed_flux","value":63.4,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"HIP:VT","method":"I/294A/ucac2bss","source":"vizier","reference":"I/294A/ucac2bss","ref_year":null},{"parameter":"sed_flux","value":12.8,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"HIP:BT","method":"I/294A/ucac2bss","source":"vizier","reference":"I/294A/ucac2bss","ref_year":null},{"parameter":"sed_flux","value":63.7,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"HIP:Hp","method":"I/294A/ucac2bss","source":"vizier","reference":"I/294A/ucac2bss","ref_year":null},{"parameter":"sed_flux","value":463.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:H","method":"I/297/out","source":"vizier","reference":"I/297/out","ref_year":null},{"parameter":"sed_flux","value":330.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:J","method":"I/297/out","source":"vizier","reference":"I/297/out","ref_year":null},{"parameter":"sed_flux","value":21.4,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:B","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":63.6,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"HIP:Hp","method":"I/311/hip2","source":"vizier","reference":"I/311/hip2","ref_year":null},{"parameter":"sed_flux","value":329.0,"value_text":null,"unit":"Jy","err_plus":71.0,"err_minus":71.0,"band":"2MASS:Ks","method":"I/317/sample","source":"vizier","reference":"I/317/sample","ref_year":null},{"parameter":"sed_flux","value":463.0,"value_text":null,"unit":"Jy","err_plus":80.0,"err_minus":80.0,"band":"2MASS:H","method":"I/317/sample","source":"vizier","reference":"I/317/sample","ref_year":null},{"parameter":"sed_flux","value":330.0,"value_text":null,"unit":"Jy","err_plus":76.0,"err_minus":76.0,"band":"2MASS:J","method":"I/317/sample","source":"vizier","reference":"I/317/sample","ref_year":null},{"parameter":"sed_flux","value":329.0,"value_text":null,"unit":"Jy","err_plus":70.0,"err_minus":70.0,"band":"2MASS:Ks","method":"I/322A/out","source":"vizier","reference":"I/322A/out","ref_year":null},{"parameter":"sed_flux","value":463.0,"value_text":null,"unit":"Jy","err_plus":81.0,"err_minus":81.0,"band":"2MASS:H","method":"I/322A/out","source":"vizier","reference":"I/322A/out","ref_year":null},{"parameter":"sed_flux","value":330.0,"value_text":null,"unit":"Jy","err_plus":77.0,"err_minus":77.0,"band":"2MASS:J","method":"I/322A/out","source":"vizier","reference":"I/322A/out","ref_year":null},{"parameter":"sed_flux","value":6.21,"value_text":null,"unit":"Jy","err_plus":1.15,"err_minus":1.15,"band":"Johnson:B","method":"I/342/f3","source":"vizier","reference":"I/342/f3","ref_year":null},{"parameter":"sed_flux","value":165.0,"value_text":null,"unit":"Jy","err_plus":1.0,"err_minus":1.0,"band":"GAIA/GAIA2:Grp","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":109.0,"value_text":null,"unit":"Jy","err_plus":1.0,"err_minus":1.0,"band":"GAIA/GAIA2:G","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":51.3,"value_text":null,"unit":"Jy","err_plus":0.2,"err_minus":0.2,"band":"GAIA/GAIA2:Gbp","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":168.0,"value_text":null,"unit":"Jy","err_plus":1.0,"err_minus":1.0,"band":"GAIA/GAIA3:Grp","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":98.8,"value_text":null,"unit":"Jy","err_plus":0.3,"err_minus":0.3,"band":"GAIA/GAIA3:G","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":52.7,"value_text":null,"unit":"Jy","err_plus":0.3,"err_minus":0.3,"band":"GAIA/GAIA3:Gbp","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":63.6,"value_text":null,"unit":"Jy","err_plus":0.5,"err_minus":0.5,"band":"HIP:VT","method":"I/350/tyc2tdsc","source":"vizier","reference":"I/350/tyc2tdsc","ref_year":null},{"parameter":"sed_flux","value":13.0,"value_text":null,"unit":"Jy","err_plus":0.2,"err_minus":0.2,"band":"HIP:BT","method":"I/350/tyc2tdsc","source":"vizier","reference":"I/350/tyc2tdsc","ref_year":null},{"parameter":"sed_flux","value":3.63,"value_text":null,"unit":"Jy","err_plus":0.06,"err_minus":0.06,"band":"WISE:W4","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":11.4,"value_text":null,"unit":"Jy","err_plus":0.3,"err_minus":0.3,"band":"WISE:W3","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":372.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W2","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":1450.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W1","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":329.0,"value_text":null,"unit":"Jy","err_plus":71.0,"err_minus":71.0,"band":"2MASS:Ks","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":463.0,"value_text":null,"unit":"Jy","err_plus":80.0,"err_minus":80.0,"band":"2MASS:H","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":330.0,"value_text":null,"unit":"Jy","err_plus":76.0,"err_minus":76.0,"band":"2MASS:J","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":43.8,"value_text":null,"unit":"Jy","err_plus":0.2,"err_minus":0.2,"band":"Gaia:G","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.0147,"value_text":null,"unit":"Jy","err_plus":0.0001,"err_minus":0.0001,"band":"GALEX:NUV","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.00064,"value_text":null,"unit":"Jy","err_plus":1.7e-05,"err_minus":1.7e-05,"band":"GALEX:FUV","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":168.0,"value_text":null,"unit":"Jy","err_plus":1.0,"err_minus":1.0,"band":"GAIA/GAIA3:Grp","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":98.8,"value_text":null,"unit":"Jy","err_plus":0.3,"err_minus":0.3,"band":"GAIA/GAIA3:G","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":52.7,"value_text":null,"unit":"Jy","err_plus":0.3,"err_minus":0.3,"band":"GAIA/GAIA3:Gbp","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":183.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Cousins:I","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":216.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:i","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":118.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Cousins:R","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":107.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:r","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":70.5,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Cousins:V","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":37.1,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:g","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":21.9,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Cousins:B","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":69.4,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"II/5A/data","source":"vizier","reference":"II/5A/data","ref_year":null},{"parameter":"sed_flux","value":243.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:I","method":"II/7A/catalog","source":"vizier","reference":"II/7A/catalog","ref_year":null},{"parameter":"sed_flux","value":156.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:R","method":"II/7A/catalog","source":"vizier","reference":"II/7A/catalog","ref_year":null},{"parameter":"sed_flux","value":69.4,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"II/7A/catalog","source":"vizier","reference":"II/7A/catalog","ref_year":null},{"parameter":"sed_flux","value":20.8,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:B","method":"II/7A/catalog","source":"vizier","reference":"II/7A/catalog","ref_year":null},{"parameter":"sed_flux","value":1.81,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:U","method":"II/7A/catalog","source":"vizier","reference":"II/7A/catalog","ref_year":null},{"parameter":"sed_flux","value":71.3,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"II/21A/catalog","source":"vizier","reference":"II/21A/catalog","ref_year":null},{"parameter":"sed_flux","value":69.4,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"II/122B/merged","source":"vizier","reference":"II/122B/merged","ref_year":null},{"parameter":"sed_flux","value":70.3,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"II/167/catalog","source":"vizier","reference":"II/167/catalog","ref_year":null},{"parameter":"sed_flux","value":319.0,"value_text":null,"unit":"Jy","err_plus":69.0,"err_minus":69.0,"band":"Johnson:K","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":458.0,"value_text":null,"unit":"Jy","err_plus":79.0,"err_minus":79.0,"band":"Johnson:H","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":337.0,"value_text":null,"unit":"Jy","err_plus":78.0,"err_minus":78.0,"band":"Johnson:J","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":5.36,"value_text":null,"unit":"Jy","err_plus":0.03,"err_minus":0.03,"band":"AKARI:L18W","method":"II/297/irc","source":"vizier","reference":"II/297/irc","ref_year":null},{"parameter":"sed_flux","value":24.2,"value_text":null,"unit":"Jy","err_plus":0.1,"err_minus":0.1,"band":"AKARI:S9W","method":"II/297/irc","source":"vizier","reference":"II/297/irc","ref_year":null},{"parameter":"sed_flux","value":3.62,"value_text":null,"unit":"Jy","err_plus":0.03,"err_minus":0.03,"band":"WISE:W4","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":12.7,"value_text":null,"unit":"Jy","err_plus":0.1,"err_minus":0.1,"band":"WISE:W3","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":28.8,"value_text":null,"unit":"Jy","err_plus":0.8,"err_minus":0.8,"band":"WISE:W2","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":12.8,"value_text":null,"unit":"Jy","err_plus":0.2,"err_minus":0.2,"band":"WISE:W1","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":329.0,"value_text":null,"unit":"Jy","err_plus":71.0,"err_minus":71.0,"band":"2MASS:Ks","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":463.0,"value_text":null,"unit":"Jy","err_plus":80.0,"err_minus":80.0,"band":"2MASS:H","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":330.0,"value_text":null,"unit":"Jy","err_plus":76.0,"err_minus":76.0,"band":"2MASS:J","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":0.015,"value_text":null,"unit":"Jy","err_plus":0.0001,"err_minus":0.0001,"band":"GALEX:NUV","method":"II/312/ais","source":"vizier","reference":"II/312/ais","ref_year":null},{"parameter":"sed_flux","value":3.63,"value_text":null,"unit":"Jy","err_plus":0.06,"err_minus":0.06,"band":"WISE:W4","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":11.4,"value_text":null,"unit":"Jy","err_plus":0.3,"err_minus":0.3,"band":"WISE:W3","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":372.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W2","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":1450.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W1","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":329.0,"value_text":null,"unit":"Jy","err_plus":71.0,"err_minus":71.0,"band":"2MASS:Ks","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":463.0,"value_text":null,"unit":"Jy","err_plus":80.0,"err_minus":80.0,"band":"2MASS:H","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":330.0,"value_text":null,"unit":"Jy","err_plus":76.0,"err_minus":76.0,"band":"2MASS:J","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":0.0147,"value_text":null,"unit":"Jy","err_plus":0.0001,"err_minus":0.0001,"band":"GALEX:NUV","method":"II/335/galex_ais","source":"vizier","reference":"II/335/galex_ais","ref_year":null},{"parameter":"sed_flux","value":0.00064,"value_text":null,"unit":"Jy","err_plus":1.7e-05,"err_minus":1.7e-05,"band":"GALEX:FUV","method":"II/335/galex_ais","source":"vizier","reference":"II/335/galex_ais","ref_year":null},{"parameter":"sed_flux","value":0.372,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"IRAS:100","method":"II/338/catalog","source":"vizier","reference":"II/338/catalog","ref_year":null},{"parameter":"sed_flux","value":0.638,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"IRAS:60","method":"II/338/catalog","source":"vizier","reference":"II/338/catalog","ref_year":null},{"parameter":"sed_flux","value":4.36,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"IRAS:25","method":"II/338/catalog","source":"vizier","reference":"II/338/catalog","ref_year":null},{"parameter":"sed_flux","value":3.65,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W4","method":"II/338/catalog","source":"vizier","reference":"II/338/catalog","ref_year":null},{"parameter":"sed_flux","value":5.36,"value_text":null,"unit":"Jy","err_plus":0.03,"err_minus":0.03,"band":"AKARI:L18W","method":"II/338/catalog","source":"vizier","reference":"II/338/catalog","ref_year":null},{"parameter":"sed_flux","value":17.6,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"IRAS:12","method":"II/338/catalog","source":"vizier","reference":"II/338/catalog","ref_year":null},{"parameter":"sed_flux","value":13.8,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W3","method":"II/338/catalog","source":"vizier","reference":"II/338/catalog","ref_year":null},{"parameter":"sed_flux","value":24.2,"value_text":null,"unit":"Jy","err_plus":0.1,"err_minus":0.1,"band":"AKARI:S9W","method":"II/338/catalog","source":"vizier","reference":"II/338/catalog","ref_year":null},{"parameter":"sed_flux","value":29.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W2","method":"II/338/catalog","source":"vizier","reference":"II/338/catalog","ref_year":null},{"parameter":"sed_flux","value":12.7,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W1","method":"II/338/catalog","source":"vizier","reference":"II/338/catalog","ref_year":null},{"parameter":"sed_flux","value":329.0,"value_text":null,"unit":"Jy","err_plus":71.0,"err_minus":71.0,"band":"2MASS:Ks","method":"II/338/catalog","source":"vizier","reference":"II/338/catalog","ref_year":null},{"parameter":"sed_flux","value":463.0,"value_text":null,"unit":"Jy","err_plus":80.0,"err_minus":80.0,"band":"2MASS:H","method":"II/338/catalog","source":"vizier","reference":"II/338/catalog","ref_year":null},{"parameter":"sed_flux","value":330.0,"value_text":null,"unit":"Jy","err_plus":76.0,"err_minus":76.0,"band":"2MASS:J","method":"II/338/catalog","source":"vizier","reference":"II/338/catalog","ref_year":null},{"parameter":"sed_flux","value":319.0,"value_text":null,"unit":"Jy","err_plus":69.0,"err_minus":69.0,"band":"Johnson:K","method":"II/346/jsdc_v2","source":"vizier","reference":"II/346/jsdc_v2","ref_year":null},{"parameter":"sed_flux","value":458.0,"value_text":null,"unit":"Jy","err_plus":79.0,"err_minus":79.0,"band":"Johnson:H","method":"II/346/jsdc_v2","source":"vizier","reference":"II/346/jsdc_v2","ref_year":null},{"parameter":"sed_flux","value":337.0,"value_text":null,"unit":"Jy","err_plus":78.0,"err_minus":78.0,"band":"Johnson:J","method":"II/346/jsdc_v2","source":"vizier","reference":"II/346/jsdc_v2","ref_year":null},{"parameter":"sed_flux","value":73.0,"value_text":null,"unit":"Jy","err_plus":0.2,"err_minus":0.2,"band":"HIP:VT","method":"II/346/jsdc_v2","source":"vizier","reference":"II/346/jsdc_v2","ref_year":null},{"parameter":"sed_flux","value":19.4,"value_text":null,"unit":"Jy","err_plus":0.1,"err_minus":0.1,"band":"HIP:BT","method":"II/346/jsdc_v2","source":"vizier","reference":"II/346/jsdc_v2","ref_year":null},{"parameter":"sed_flux","value":69.4,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"II/355/ugriz-2","source":"vizier","reference":"II/355/ugriz-2","ref_year":null},{"parameter":"sed_flux","value":329.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:Ks","method":"II/361/mdfc-v10","source":"vizier","reference":"II/361/mdfc-v10","ref_year":null},{"parameter":"sed_flux","value":463.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:H","method":"II/361/mdfc-v10","source":"vizier","reference":"II/361/mdfc-v10","ref_year":null},{"parameter":"sed_flux","value":330.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:J","method":"II/361/mdfc-v10","source":"vizier","reference":"II/361/mdfc-v10","ref_year":null},{"parameter":"sed_flux","value":70.6,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"III/126/part1","source":"vizier","reference":"III/126/part1","ref_year":null},{"parameter":"sed_flux","value":70.6,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"III/126/part3","source":"vizier","reference":"III/126/part3","ref_year":null},{"parameter":"sed_flux","value":3.63,"value_text":null,"unit":"Jy","err_plus":0.06,"err_minus":0.06,"band":"WISE:W4","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":11.4,"value_text":null,"unit":"Jy","err_plus":0.3,"err_minus":0.3,"band":"WISE:W3","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":372.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W2","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":1450.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W1","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":329.0,"value_text":null,"unit":"Jy","err_plus":71.0,"err_minus":71.0,"band":"2MASS:Ks","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":458.0,"value_text":null,"unit":"Jy","err_plus":79.0,"err_minus":79.0,"band":"Johnson:H","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":337.0,"value_text":null,"unit":"Jy","err_plus":78.0,"err_minus":78.0,"band":"Johnson:J","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":91.0,"value_text":null,"unit":"Jy","err_plus":0.6,"err_minus":0.6,"band":"Gaia:G","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":71.6,"value_text":null,"unit":"Jy","err_plus":1.5,"err_minus":1.5,"band":"Johnson:V","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":21.6,"value_text":null,"unit":"Jy","err_plus":0.3,"err_minus":0.3,"band":"Johnson:B","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":3.63,"value_text":null,"unit":"Jy","err_plus":0.06,"err_minus":0.06,"band":"WISE:W4","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":11.4,"value_text":null,"unit":"Jy","err_plus":0.3,"err_minus":0.3,"band":"WISE:W3","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":372.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W2","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":1450.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W1","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":329.0,"value_text":null,"unit":"Jy","err_plus":71.0,"err_minus":71.0,"band":"2MASS:Ks","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":458.0,"value_text":null,"unit":"Jy","err_plus":79.0,"err_minus":79.0,"band":"Johnson:H","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":337.0,"value_text":null,"unit":"Jy","err_plus":78.0,"err_minus":78.0,"band":"Johnson:J","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"semi_major_axis","value":3.233,"value_text":null,"unit":"au","err_plus":0.125,"err_minus":0.131,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Feng et al. 2022","ref_year":2022},{"parameter":"semi_major_axis","value":3.3,"value_text":null,"unit":"au","err_plus":0.1,"err_minus":0.1,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Bang et al. 2020","ref_year":2020}],"orbit":null,"exoplanet":{"object_id":6616,"pl_name":"HD 81817 b","hostname":"HD 81817","sy_pnum":2,"disc_method":"Radial Velocity","disc_year":2020,"disc_facility":"Bohyunsan Optical Astronomical Observatory","orbper_d":1021.20159,"orbsmax_au":3.233,"rade":12.0,"radj":1.07,"masse":7668.5638041,"massj":24.128,"dens_gcm3":24.4,"eccen":0.097,"insol":174.402,"eqt_k":1016.37,"st_teff":4140.0,"st_rad":83.8,"st_mass":4.3,"st_spectype":"K3 III","sy_dist_pc":269.126,"updated_at":"2026-09-13T03:31:17.289698+00:00"},"sources":[{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=144.271566%20+81.326310&-c.rs=5","fetched_at":"2026-09-08T04:31:32.830231+00:00"}]}