{"id":3470663,"slug":"21-tau-b","name":"* 21 Tau B","domain":"deep-sky","class":"star","otype":"*","otype_label":"Star","ra":56.47966852764999,"dec":24.55480650812,"coo_err_mas":0.0231,"coo_bibcode":"2020yCat.1350....0G","plx_mas":7.3552,"pmra":19.533,"pmdec":-45.551,"rv_kms":4.3,"redshift":1.4343359e-05,"dist_pc":null,"vmag":null,"bmag":null,"gmag":13.832768,"jmag":10.656,"kmag":10.312,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":21,"simbad_oid":14743999,"gaia_dr3":66798526845337344,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-10-02T07:37:48.287023+00:00","views":36,"first_seen":"2026-08-14T16:53:53.858253+00:00","updated_at":"2026-08-14T16:53:53.858253+00:00","identifiers":["* 21 Tau B","2MASS J03455509+2433171","Gaia DR2 66798526845337344","Gaia DR3 66798526845337344","TIC 385589395"],"measurements":[{"parameter":"distance","value":135.5152,"value_text":null,"unit":"pc","err_plus":null,"err_minus":null,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"distance","value":135.958,"value_text":null,"unit":"pc","err_plus":0.4436,"err_minus":-0.4436,"band":null,"method":"paral","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"distance","value":134.618,"value_text":null,"unit":"pc","err_plus":0.7266,"err_minus":-0.7266,"band":null,"method":"paral","source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"effective_temperature","value":3729.6956,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"magnitude","value":13.832768,"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":13.832768,"value_text":null,"unit":"mag","err_plus":0.002925,"err_minus":0.002925,"band":"G","method":"V","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"magnitude","value":10.656,"value_text":null,"unit":"mag","err_plus":0.071,"err_minus":0.071,"band":"J","method":"V","source":"simbad","reference":"2003yCat.2246....0C","ref_year":2003},{"parameter":"magnitude","value":10.443,"value_text":null,"unit":"mag","err_plus":0.038,"err_minus":0.038,"band":"H","method":"V","source":"simbad","reference":"2003yCat.2246....0C","ref_year":2003},{"parameter":"magnitude","value":10.312,"value_text":null,"unit":"mag","err_plus":0.098,"err_minus":0.098,"band":"K","method":"V","source":"simbad","reference":"2003yCat.2246....0C","ref_year":2003},{"parameter":"metallicity","value":-0.6215,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"parallax","value":7.3551891416930175,"value_text":null,"unit":"mas","err_plus":0.024002949,"err_minus":0.024002949,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"parallax","value":7.3552,"value_text":null,"unit":"mas","err_plus":0.024,"err_minus":0.024,"band":null,"method":null,"source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"parallax","value":7.4284,"value_text":null,"unit":"mas","err_plus":0.0401,"err_minus":0.0401,"band":null,"method":null,"source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"parallax","value":7.413,"value_text":null,"unit":"mas","err_plus":0.012,"err_minus":0.012,"band":null,"method":null,"source":"simbad","reference":"2018A&A...616A..10G","ref_year":2018},{"parameter":"pm_dec","value":-45.55090168896121,"value_text":null,"unit":"mas/yr","err_plus":0.019224782,"err_minus":0.019224782,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"pm_dec","value":-45.551,"value_text":null,"unit":"mas/yr","err_plus":0.019,"err_minus":0.019,"band":null,"method":"ICRS","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"pm_dec","value":-45.539,"value_text":null,"unit":"mas/yr","err_plus":0.049,"err_minus":0.049,"band":null,"method":"ICRS","source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"pm_ra","value":19.533204676406434,"value_text":null,"unit":"mas/yr","err_plus":0.03228313,"err_minus":0.03228313,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"pm_ra","value":19.533,"value_text":null,"unit":"mas/yr","err_plus":0.032,"err_minus":0.032,"band":null,"method":"ICRS","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"pm_ra","value":20.057,"value_text":null,"unit":"mas/yr","err_plus":0.084,"err_minus":0.084,"band":null,"method":"ICRS","source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"radial_velocity","value":4.2994475,"value_text":null,"unit":"km/s","err_plus":5.2536798,"err_minus":5.2536798,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"radial_velocity","value":4.3,"value_text":null,"unit":"km/s","err_plus":5.25,"err_minus":5.25,"band":null,"method":"v","source":"simbad","reference":"2022yCat.1355....0G","ref_year":2022},{"parameter":"radial_velocity","value":21.57,"value_text":null,"unit":"km/s","err_plus":10.49,"err_minus":10.49,"band":null,"method":"v","source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"ruwe","value":1.2913687,"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":0.049,"value_text":null,"unit":"Jy","err_plus":0.0044,"err_minus":0.0044,"band":"Johnson:K","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":0.0692,"value_text":null,"unit":"Jy","err_plus":0.0024,"err_minus":0.0024,"band":"Johnson:H","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":0.088,"value_text":null,"unit":"Jy","err_plus":0.0058,"err_minus":0.0058,"band":"Johnson:J","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":0.0509,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:Ks","method":"II/281/2mass6x","source":"vizier","reference":"II/281/2mass6x","ref_year":null},{"parameter":"sed_flux","value":0.0478,"value_text":null,"unit":"Jy","err_plus":0.0024,"err_minus":0.0024,"band":"2MASS:H","method":"II/281/2mass6x","source":"vizier","reference":"II/281/2mass6x","ref_year":null},{"parameter":"sed_flux","value":0.132,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:J","method":"II/281/2mass6x","source":"vizier","reference":"II/281/2mass6x","ref_year":null},{"parameter":"sed_flux","value":0.0283,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"UKIDSS:K","method":"II/319/gcs9","source":"vizier","reference":"II/319/gcs9","ref_year":null},{"parameter":"sed_flux","value":0.0363,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"UKIDSS:H","method":"II/319/gcs9","source":"vizier","reference":"II/319/gcs9","ref_year":null},{"parameter":"sed_flux","value":0.0358,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"UKIDSS:J","method":"II/319/gcs9","source":"vizier","reference":"II/319/gcs9","ref_year":null},{"parameter":"sed_flux","value":0.0317,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"UKIDSS:Y","method":"II/319/gcs9","source":"vizier","reference":"II/319/gcs9","ref_year":null},{"parameter":"sed_flux","value":0.0287,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"UKIDSS:Z","method":"II/319/gcs9","source":"vizier","reference":"II/319/gcs9","ref_year":null},{"parameter":"sed_flux","value":0.167,"value_text":null,"unit":"Jy","err_plus":0.01,"err_minus":0.01,"band":"WISE:W4","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":0.0121,"value_text":null,"unit":"Jy","err_plus":0.0015,"err_minus":0.0015,"band":"WISE:W3","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":0.0353,"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":0.0708,"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":0.0507,"value_text":null,"unit":"Jy","err_plus":0.0046,"err_minus":0.0046,"band":"2MASS:Ks","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":0.0698,"value_text":null,"unit":"Jy","err_plus":0.0024,"err_minus":0.0024,"band":"2MASS:H","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":0.0862,"value_text":null,"unit":"Jy","err_plus":0.0056,"err_minus":0.0056,"band":"2MASS:J","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":6.52,"value_text":null,"unit":"Jy","err_plus":0.04,"err_minus":0.04,"band":"PAN-STARRS/PS1:i","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":0.0231,"value_text":null,"unit":"Jy","err_plus":0.0009,"err_minus":0.0009,"band":"PAN-STARRS/PS1:r","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":0.0255,"value_text":null,"unit":"Jy","err_plus":0.0007,"err_minus":0.0007,"band":"PAN-STARRS/PS1:z","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":0.0856,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"PAN-STARRS/PS1:y","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":0.041,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"PAN-STARRS/PS1:g","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":0.0698,"value_text":null,"unit":"Jy","err_plus":0.0024,"err_minus":0.0024,"band":"2MASS:H","method":"II/360/catalog","source":"vizier","reference":"II/360/catalog","ref_year":null},{"parameter":"sed_flux","value":0.0862,"value_text":null,"unit":"Jy","err_plus":0.0056,"err_minus":0.0056,"band":"2MASS:J","method":"II/360/catalog","source":"vizier","reference":"II/360/catalog","ref_year":null},{"parameter":"sed_flux","value":6.52,"value_text":null,"unit":"Jy","err_plus":0.04,"err_minus":0.04,"band":"PAN-STARRS/PS1:i","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":0.0231,"value_text":null,"unit":"Jy","err_plus":0.0009,"err_minus":0.0009,"band":"PAN-STARRS/PS1:r","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":0.0856,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"PAN-STARRS/PS1:y","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":0.0797,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"PAN-STARRS/PS1:z","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":0.041,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"PAN-STARRS/PS1:g","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":0.0506,"value_text":null,"unit":"Jy","err_plus":0.0046,"err_minus":0.0046,"band":"2MASS:Ks","method":"IV/34/epic","source":"vizier","reference":"IV/34/epic","ref_year":null},{"parameter":"sed_flux","value":0.0698,"value_text":null,"unit":"Jy","err_plus":0.0024,"err_minus":0.0024,"band":"2MASS:H","method":"IV/34/epic","source":"vizier","reference":"IV/34/epic","ref_year":null},{"parameter":"sed_flux","value":0.0862,"value_text":null,"unit":"Jy","err_plus":0.0056,"err_minus":0.0056,"band":"2MASS:J","method":"IV/34/epic","source":"vizier","reference":"IV/34/epic","ref_year":null},{"parameter":"sed_flux","value":0.167,"value_text":null,"unit":"Jy","err_plus":0.01,"err_minus":0.01,"band":"WISE:W4","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.0121,"value_text":null,"unit":"Jy","err_plus":0.0015,"err_minus":0.0015,"band":"WISE:W3","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.0353,"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":0.0708,"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":0.0506,"value_text":null,"unit":"Jy","err_plus":0.0046,"err_minus":0.0046,"band":"2MASS:Ks","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.0692,"value_text":null,"unit":"Jy","err_plus":0.0024,"err_minus":0.0024,"band":"Johnson:H","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.088,"value_text":null,"unit":"Jy","err_plus":0.0058,"err_minus":0.0058,"band":"Johnson:J","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.00896,"value_text":null,"unit":"Jy","err_plus":1e-05,"err_minus":1e-05,"band":"Gaia:G","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.00655,"value_text":null,"unit":"Jy","err_plus":0.0003,"err_minus":0.0003,"band":"Johnson:V","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.167,"value_text":null,"unit":"Jy","err_plus":0.01,"err_minus":0.01,"band":"WISE:W4","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.0121,"value_text":null,"unit":"Jy","err_plus":0.0015,"err_minus":0.0015,"band":"WISE:W3","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.0353,"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":0.0708,"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":0.0506,"value_text":null,"unit":"Jy","err_plus":0.0046,"err_minus":0.0046,"band":"2MASS:Ks","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.0692,"value_text":null,"unit":"Jy","err_plus":0.0024,"err_minus":0.0024,"band":"Johnson:H","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.088,"value_text":null,"unit":"Jy","err_plus":0.0058,"err_minus":0.0058,"band":"Johnson:J","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.00896,"value_text":null,"unit":"Jy","err_plus":1e-05,"err_minus":1e-05,"band":"Gaia:G","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.00655,"value_text":null,"unit":"Jy","err_plus":0.0003,"err_minus":0.0003,"band":"Johnson:V","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.0222,"value_text":null,"unit":"Jy","err_plus":0.0002,"err_minus":0.0002,"band":"Gaia:G","method":"J/ApJ/867/105/refcat2","source":"vizier","reference":"J/ApJ/867/105/refcat2","ref_year":null},{"parameter":"sed_flux","value":0.00896,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/ApJ/923/129/table2","source":"vizier","reference":"J/ApJ/923/129/table2","ref_year":null},{"parameter":"sed_flux","value":0.00884,"value_text":null,"unit":"Jy","err_plus":1e-05,"err_minus":1e-05,"band":"Gaia:G","method":"J/ApJ/926/132/table4","source":"vizier","reference":"J/ApJ/926/132/table4","ref_year":null},{"parameter":"sed_flux","value":0.00886,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/ApJ/954/134/table4","source":"vizier","reference":"J/ApJ/954/134/table4","ref_year":null},{"parameter":"sed_flux","value":0.0192,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"GAIA/GAIA2:Grp","method":"J/ApJS/245/13/table1","source":"vizier","reference":"J/ApJS/245/13/table1","ref_year":null},{"parameter":"sed_flux","value":0.00896,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/ApJS/245/13/table1","source":"vizier","reference":"J/ApJS/245/13/table1","ref_year":null},{"parameter":"sed_flux","value":0.0053,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"GAIA/GAIA2:Gbp","method":"J/ApJS/245/13/table1","source":"vizier","reference":"J/ApJS/245/13/table1","ref_year":null},{"parameter":"sed_flux","value":0.00896,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/ApJS/247/66/table5","source":"vizier","reference":"J/ApJS/247/66/table5","ref_year":null},{"parameter":"sed_flux","value":0.00884,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/ApJS/262/7/members","source":"vizier","reference":"J/ApJS/262/7/members","ref_year":null},{"parameter":"sed_flux","value":0.00884,"value_text":null,"unit":"Jy","err_plus":2e-05,"err_minus":2e-05,"band":"Gaia:G","method":"J/ApJS/265/12/table3","source":"vizier","reference":"J/ApJS/265/12/table3","ref_year":null},{"parameter":"sed_flux","value":0.049,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:K","method":"J/A+A/563/A45/catalog","source":"vizier","reference":"J/A+A/563/A45/catalog","ref_year":null},{"parameter":"sed_flux","value":0.0692,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:H","method":"J/A+A/563/A45/catalog","source":"vizier","reference":"J/A+A/563/A45/catalog","ref_year":null},{"parameter":"sed_flux","value":0.088,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:J","method":"J/A+A/563/A45/catalog","source":"vizier","reference":"J/A+A/563/A45/catalog","ref_year":null},{"parameter":"sed_flux","value":0.0698,"value_text":null,"unit":"Jy","err_plus":0.0024,"err_minus":0.0024,"band":"2MASS:H","method":"J/A+A/577/A148/dancep","source":"vizier","reference":"J/A+A/577/A148/dancep","ref_year":null},{"parameter":"sed_flux","value":0.0862,"value_text":null,"unit":"Jy","err_plus":0.0056,"err_minus":0.0056,"band":"2MASS:J","method":"J/A+A/577/A148/dancep","source":"vizier","reference":"J/A+A/577/A148/dancep","ref_year":null},{"parameter":"sed_flux","value":0.00897,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/A+A/616/A10/tablea1a","source":"vizier","reference":"J/A+A/616/A10/tablea1a","ref_year":null},{"parameter":"sed_flux","value":0.00896,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/A+A/618/A93/members","source":"vizier","reference":"J/A+A/618/A93/members","ref_year":null},{"parameter":"sed_flux","value":0.0121,"value_text":null,"unit":"Jy","err_plus":0.0015,"err_minus":0.0015,"band":"WISE:W3","method":"J/A+A/628/A66/pleiades","source":"vizier","reference":"J/A+A/628/A66/pleiades","ref_year":null},{"parameter":"sed_flux","value":0.0353,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W2","method":"J/A+A/628/A66/pleiades","source":"vizier","reference":"J/A+A/628/A66/pleiades","ref_year":null},{"parameter":"sed_flux","value":0.0708,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W1","method":"J/A+A/628/A66/pleiades","source":"vizier","reference":"J/A+A/628/A66/pleiades","ref_year":null},{"parameter":"sed_flux","value":0.0698,"value_text":null,"unit":"Jy","err_plus":0.0024,"err_minus":0.0024,"band":"2MASS:H","method":"J/A+A/628/A66/pleiades","source":"vizier","reference":"J/A+A/628/A66/pleiades","ref_year":null},{"parameter":"sed_flux","value":0.0862,"value_text":null,"unit":"Jy","err_plus":0.0056,"err_minus":0.0056,"band":"2MASS:J","method":"J/A+A/628/A66/pleiades","source":"vizier","reference":"J/A+A/628/A66/pleiades","ref_year":null},{"parameter":"sed_flux","value":0.00884,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/A+A/657/A7/tablea2","source":"vizier","reference":"J/A+A/657/A7/tablea2","ref_year":null},{"parameter":"sed_flux","value":0.00884,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/A+A/677/A137/catalog","source":"vizier","reference":"J/A+A/677/A137/catalog","ref_year":null},{"parameter":"sed_flux","value":0.167,"value_text":null,"unit":"Jy","err_plus":0.01,"err_minus":0.01,"band":"WISE:W4","method":"J/A+A/678/A75/tablec1","source":"vizier","reference":"J/A+A/678/A75/tablec1","ref_year":null},{"parameter":"sed_flux","value":0.0121,"value_text":null,"unit":"Jy","err_plus":0.0015,"err_minus":0.0015,"band":"WISE:W3","method":"J/A+A/678/A75/tablec1","source":"vizier","reference":"J/A+A/678/A75/tablec1","ref_year":null},{"parameter":"sed_flux","value":0.0353,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W2","method":"J/A+A/678/A75/tablec1","source":"vizier","reference":"J/A+A/678/A75/tablec1","ref_year":null},{"parameter":"sed_flux","value":0.0708,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W1","method":"J/A+A/678/A75/tablec1","source":"vizier","reference":"J/A+A/678/A75/tablec1","ref_year":null},{"parameter":"sed_flux","value":0.0316,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"UKIDSS:K","method":"J/A+A/678/A75/tablec1","source":"vizier","reference":"J/A+A/678/A75/tablec1","ref_year":null},{"parameter":"sed_flux","value":0.0506,"value_text":null,"unit":"Jy","err_plus":0.0046,"err_minus":0.0046,"band":"2MASS:Ks","method":"J/A+A/678/A75/tablec1","source":"vizier","reference":"J/A+A/678/A75/tablec1","ref_year":null},{"parameter":"sed_flux","value":0.0698,"value_text":null,"unit":"Jy","err_plus":0.0024,"err_minus":0.0024,"band":"2MASS:H","method":"J/A+A/678/A75/tablec1","source":"vizier","reference":"J/A+A/678/A75/tablec1","ref_year":null},{"parameter":"sed_flux","value":0.0363,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"UKIDSS:H","method":"J/A+A/678/A75/tablec1","source":"vizier","reference":"J/A+A/678/A75/tablec1","ref_year":null},{"parameter":"sed_flux","value":0.0358,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"UKIDSS:J","method":"J/A+A/678/A75/tablec1","source":"vizier","reference":"J/A+A/678/A75/tablec1","ref_year":null},{"parameter":"sed_flux","value":0.0862,"value_text":null,"unit":"Jy","err_plus":0.0056,"err_minus":0.0056,"band":"2MASS:J","method":"J/A+A/678/A75/tablec1","source":"vizier","reference":"J/A+A/678/A75/tablec1","ref_year":null},{"parameter":"sed_flux","value":0.00884,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/A+A/678/A75/tablec1","source":"vizier","reference":"J/A+A/678/A75/tablec1","ref_year":null},{"parameter":"sed_flux","value":0.00884,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/A+A/694/A258/members","source":"vizier","reference":"J/A+A/694/A258/members","ref_year":null},{"parameter":"sed_flux","value":0.00884,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/A+A/704/A50/sources","source":"vizier","reference":"J/A+A/704/A50/sources","ref_year":null},{"parameter":"sed_flux","value":0.00884,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/A+A/711/A67/table2","source":"vizier","reference":"J/A+A/711/A67/table2","ref_year":null},{"parameter":"sed_flux","value":0.00884,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/A+A/713/A82/tableg2","source":"vizier","reference":"J/A+A/713/A82/tableg2","ref_year":null},{"parameter":"sed_flux","value":0.0506,"value_text":null,"unit":"Jy","err_plus":0.0046,"err_minus":0.0046,"band":"2MASS:Ks","method":"J/AJ/161/234/table2","source":"vizier","reference":"J/AJ/161/234/table2","ref_year":null},{"parameter":"sed_flux","value":0.0698,"value_text":null,"unit":"Jy","err_plus":0.0024,"err_minus":0.0024,"band":"2MASS:H","method":"J/AJ/161/234/table2","source":"vizier","reference":"J/AJ/161/234/table2","ref_year":null},{"parameter":"sed_flux","value":0.0862,"value_text":null,"unit":"Jy","err_plus":0.0056,"err_minus":0.0056,"band":"2MASS:J","method":"J/AJ/161/234/table2","source":"vizier","reference":"J/AJ/161/234/table2","ref_year":null},{"parameter":"sed_flux","value":0.00896,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/AJ/161/234/table2","source":"vizier","reference":"J/AJ/161/234/table2","ref_year":null},{"parameter":"sed_flux","value":3.3,"value_text":null,"unit":"Jy","err_plus":0.05,"err_minus":0.05,"band":"2MASS:Ks","method":"J/AJ/161/234/table3","source":"vizier","reference":"J/AJ/161/234/table3","ref_year":null},{"parameter":"sed_flux","value":4.91,"value_text":null,"unit":"Jy","err_plus":0.21,"err_minus":0.21,"band":"2MASS:H","method":"J/AJ/161/234/table3","source":"vizier","reference":"J/AJ/161/234/table3","ref_year":null},{"parameter":"sed_flux","value":7.87,"value_text":null,"unit":"Jy","err_plus":0.21,"err_minus":0.21,"band":"2MASS:J","method":"J/AJ/161/234/table3","source":"vizier","reference":"J/AJ/161/234/table3","ref_year":null},{"parameter":"sed_flux","value":0.00896,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/AJ/161/234/table3","source":"vizier","reference":"J/AJ/161/234/table3","ref_year":null},{"parameter":"sed_flux","value":0.00896,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/AJ/161/234/table4","source":"vizier","reference":"J/AJ/161/234/table4","ref_year":null},{"parameter":"sed_flux","value":0.0506,"value_text":null,"unit":"Jy","err_plus":0.0046,"err_minus":0.0046,"band":"2MASS:Ks","method":"J/AJ/166/175/table1","source":"vizier","reference":"J/AJ/166/175/table1","ref_year":null},{"parameter":"sed_flux","value":0.0698,"value_text":null,"unit":"Jy","err_plus":0.0024,"err_minus":0.0024,"band":"2MASS:H","method":"J/AJ/166/175/table1","source":"vizier","reference":"J/AJ/166/175/table1","ref_year":null},{"parameter":"sed_flux","value":0.0862,"value_text":null,"unit":"Jy","err_plus":0.0056,"err_minus":0.0056,"band":"2MASS:J","method":"J/AJ/166/175/table1","source":"vizier","reference":"J/AJ/166/175/table1","ref_year":null},{"parameter":"sed_flux","value":0.0222,"value_text":null,"unit":"Jy","err_plus":0.0002,"err_minus":0.0002,"band":"Gaia:G","method":"J/AJ/166/175/table1","source":"vizier","reference":"J/AJ/166/175/table1","ref_year":null},{"parameter":"sed_flux","value":15.1,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/AJ/168/156/table2","source":"vizier","reference":"J/AJ/168/156/table2","ref_year":null},{"parameter":"sed_flux","value":0.0507,"value_text":null,"unit":"Jy","err_plus":0.0047,"err_minus":0.0047,"band":"2MASS:Ks","method":"J/AJ/169/116/table1","source":"vizier","reference":"J/AJ/169/116/table1","ref_year":null},{"parameter":"sed_flux","value":0.07,"value_text":null,"unit":"Jy","err_plus":0.0026,"err_minus":0.0026,"band":"2MASS:H","method":"J/AJ/169/116/table1","source":"vizier","reference":"J/AJ/169/116/table1","ref_year":null},{"parameter":"sed_flux","value":0.0859,"value_text":null,"unit":"Jy","err_plus":0.0055,"err_minus":0.0055,"band":"2MASS:J","method":"J/AJ/169/116/table1","source":"vizier","reference":"J/AJ/169/116/table1","ref_year":null},{"parameter":"sed_flux","value":0.00884,"value_text":null,"unit":"Jy","err_plus":2e-05,"err_minus":2e-05,"band":"Gaia:G","method":"J/AJ/169/116/table1","source":"vizier","reference":"J/AJ/169/116/table1","ref_year":null},{"parameter":"sed_flux","value":0.00884,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/AJ/169/145/table6","source":"vizier","reference":"J/AJ/169/145/table6","ref_year":null},{"parameter":"sed_flux","value":0.0699,"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":0.0862,"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":0.0103,"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":0.0192,"value_text":null,"unit":"Jy","err_plus":0.0002,"err_minus":0.0002,"band":"GAIA/GAIA2:Grp","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":0.0098,"value_text":null,"unit":"Jy","err_plus":1e-05,"err_minus":1e-05,"band":"GAIA/GAIA2:G","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":0.0053,"value_text":null,"unit":"Jy","err_plus":0.00014,"err_minus":0.00014,"band":"GAIA/GAIA2:Gbp","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":0.0188,"value_text":null,"unit":"Jy","err_plus":0.0001,"err_minus":0.0001,"band":"GAIA/GAIA3:Grp","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":0.00946,"value_text":null,"unit":"Jy","err_plus":3e-05,"err_minus":3e-05,"band":"GAIA/GAIA3:G","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":0.00515,"value_text":null,"unit":"Jy","err_plus":9e-05,"err_minus":9e-05,"band":"GAIA/GAIA3:Gbp","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":0.0531,"value_text":null,"unit":"Jy","err_plus":0.005,"err_minus":0.005,"band":"2MASS:Ks","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.0799,"value_text":null,"unit":"Jy","err_plus":0.0082,"err_minus":0.0082,"band":"2MASS:H","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.101,"value_text":null,"unit":"Jy","err_plus":0.002,"err_minus":0.002,"band":"2MASS:J","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.00452,"value_text":null,"unit":"Jy","err_plus":0.00011,"err_minus":0.00011,"band":"Gaia:G","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.167,"value_text":null,"unit":"Jy","err_plus":0.01,"err_minus":0.01,"band":"WISE:W4","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.0121,"value_text":null,"unit":"Jy","err_plus":0.0015,"err_minus":0.0015,"band":"WISE:W3","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.0353,"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":0.0708,"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":0.00245,"value_text":null,"unit":"Jy","err_plus":0.00047,"err_minus":0.00047,"band":"SDSS:i","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.023,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"SDSS:r","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.0255,"value_text":null,"unit":"Jy","err_plus":0.0007,"err_minus":0.0007,"band":"SDSS:z","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.0188,"value_text":null,"unit":"Jy","err_plus":0.0001,"err_minus":0.0001,"band":"GAIA/GAIA3:Grp","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":0.00946,"value_text":null,"unit":"Jy","err_plus":3e-05,"err_minus":3e-05,"band":"GAIA/GAIA3:G","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":0.00515,"value_text":null,"unit":"Jy","err_plus":9e-05,"err_minus":9e-05,"band":"GAIA/GAIA3:Gbp","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"surface_gravity","value":4.5001,"value_text":null,"unit":"log(cm/s2)","err_plus":null,"err_minus":null,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023}],"orbit":null,"exoplanet":null,"sources":[{"source":"gaia-dr3","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-S?Gaia%20DR3%2066798526845337344","fetched_at":"2026-10-02T07:37:39.807410+00:00"},{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=* 21 Tau B","fetched_at":"2026-10-02T07:37:33.675096+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=56.479669%20+24.554807&-c.rs=5","fetched_at":"2026-10-02T07:37:48.282517+00:00"}]}