{"id":2410468,"slug":"ngc-581-137","name":"NGC 581 137","domain":"deep-sky","class":"star","otype":"*","otype_label":"Star","ra":23.5236845748,"dec":60.62459885965,"coo_err_mas":0.0083,"coo_bibcode":"2020yCat.1350....0G","plx_mas":0.3523,"pmra":-1.438,"pmdec":-0.546,"rv_kms":null,"redshift":null,"dist_pc":null,"vmag":14.12,"bmag":14.43,"gmag":14.077983,"jmag":13.401,"kmag":13.31,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":5,"simbad_oid":3740589,"gaia_dr3":509860416743490816,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-09-29T06:34:55.347474+00:00","views":10,"first_seen":"2026-08-14T16:51:27.385664+00:00","updated_at":"2026-08-14T16:51:27.385664+00:00","identifiers":["2MASS J01340568+6037286","Cl* NGC 581 MH 3","Gaia DR2 509860416743490816","Gaia DR3 509860416743490816","NGC 581 137","TIC 389974709"],"measurements":[{"parameter":"distance","value":3065.6946,"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":2838.49,"value_text":null,"unit":"pc","err_plus":121.6611,"err_minus":-121.6611,"band":null,"method":"paral","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"distance","value":2697.6,"value_text":null,"unit":"pc","err_plus":133.17,"err_minus":-133.17,"band":null,"method":"paral","source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"distance","value":2697.5991,"value_text":null,"unit":"pc","err_plus":133.1699,"err_minus":-133.1699,"band":null,"method":"paral","source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"effective_temperature","value":10898.527,"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":14.077983,"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":14.077983,"value_text":null,"unit":"mag","err_plus":0.00277,"err_minus":0.00277,"band":"G","method":"V","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"magnitude","value":13.31,"value_text":null,"unit":"mag","err_plus":0.04,"err_minus":0.04,"band":"H","method":"V","source":"simbad","reference":"2003yCat.2246....0C","ref_year":2003},{"parameter":"magnitude","value":13.31,"value_text":null,"unit":"mag","err_plus":0.03,"err_minus":0.03,"band":"K","method":"V","source":"simbad","reference":"2003yCat.2246....0C","ref_year":2003},{"parameter":"magnitude","value":13.401,"value_text":null,"unit":"mag","err_plus":0.028,"err_minus":0.028,"band":"J","method":"V","source":"simbad","reference":"2003yCat.2246....0C","ref_year":2003},{"parameter":"magnitude","value":14.43,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"B","method":null,"source":"simbad","reference":null,"ref_year":null},{"parameter":"magnitude","value":14.12,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"V","method":null,"source":"simbad","reference":null,"ref_year":null},{"parameter":"metallicity","value":-0.9029,"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":0.35233333304399084,"value_text":null,"unit":"mas","err_plus":0.015094952,"err_minus":0.015094952,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"parallax","value":0.3523,"value_text":null,"unit":"mas","err_plus":0.0151,"err_minus":0.0151,"band":null,"method":null,"source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"parallax","value":0.3707,"value_text":null,"unit":"mas","err_plus":0.0183,"err_minus":0.0183,"band":null,"method":null,"source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"pm_dec","value":-0.5462250160173233,"value_text":null,"unit":"mas/yr","err_plus":0.0149436435,"err_minus":0.0149436435,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"pm_dec","value":-0.546,"value_text":null,"unit":"mas/yr","err_plus":0.015,"err_minus":0.015,"band":null,"method":"ICRS","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"pm_dec","value":-0.453,"value_text":null,"unit":"mas/yr","err_plus":0.026,"err_minus":0.026,"band":null,"method":"ICRS","source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"pm_ra","value":-1.4381582425535642,"value_text":null,"unit":"mas/yr","err_plus":0.011426972,"err_minus":0.011426972,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"pm_ra","value":-1.438,"value_text":null,"unit":"mas/yr","err_plus":0.011,"err_minus":0.011,"band":null,"method":"ICRS","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"pm_ra","value":-1.446,"value_text":null,"unit":"mas/yr","err_plus":0.02,"err_minus":0.02,"band":null,"method":"ICRS","source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"ruwe","value":0.9483391,"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":0.00633,"value_text":null,"unit":"Jy","err_plus":0.00076,"err_minus":0.00076,"band":"Johnson:B","method":"I/342/f3","source":"vizier","reference":"I/342/f3","ref_year":null},{"parameter":"sed_flux","value":0.00808,"value_text":null,"unit":"Jy","err_plus":1e-05,"err_minus":1e-05,"band":"GAIA/GAIA2:Grp","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":0.0076,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"GAIA/GAIA2:G","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":0.007,"value_text":null,"unit":"Jy","err_plus":1e-05,"err_minus":1e-05,"band":"GAIA/GAIA2:Gbp","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":0.00792,"value_text":null,"unit":"Jy","err_plus":3e-05,"err_minus":3e-05,"band":"GAIA/GAIA3:Grp","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":0.00755,"value_text":null,"unit":"Jy","err_plus":2e-05,"err_minus":2e-05,"band":"GAIA/GAIA3:G","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":0.00708,"value_text":null,"unit":"Jy","err_plus":2e-05,"err_minus":2e-05,"band":"GAIA/GAIA3:Gbp","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":0.00215,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W4","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.000264,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W3","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.000926,"value_text":null,"unit":"Jy","err_plus":2.5e-05,"err_minus":2.5e-05,"band":"WISE:W2","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.00168,"value_text":null,"unit":"Jy","err_plus":4e-05,"err_minus":4e-05,"band":"WISE:W1","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.00319,"value_text":null,"unit":"Jy","err_plus":0.0001,"err_minus":0.0001,"band":"2MASS:Ks","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.00498,"value_text":null,"unit":"Jy","err_plus":0.00018,"err_minus":0.00018,"band":"2MASS:H","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.00688,"value_text":null,"unit":"Jy","err_plus":0.00018,"err_minus":0.00018,"band":"2MASS:J","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.0079,"value_text":null,"unit":"Jy","err_plus":2e-05,"err_minus":2e-05,"band":"SDSS:z","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.0079,"value_text":null,"unit":"Jy","err_plus":3e-05,"err_minus":3e-05,"band":"SDSS:i","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.00597,"value_text":null,"unit":"Jy","err_plus":1e-05,"err_minus":1e-05,"band":"Gaia:G","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.00803,"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":0.00722,"value_text":null,"unit":"Jy","err_plus":1e-05,"err_minus":1e-05,"band":"SDSS:g","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.00792,"value_text":null,"unit":"Jy","err_plus":3e-05,"err_minus":3e-05,"band":"GAIA/GAIA3:Grp","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":0.00755,"value_text":null,"unit":"Jy","err_plus":2e-05,"err_minus":2e-05,"band":"GAIA/GAIA3:G","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":0.00708,"value_text":null,"unit":"Jy","err_plus":2e-05,"err_minus":2e-05,"band":"GAIA/GAIA3:Gbp","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":0.00814,"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":0.00838,"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":0.00802,"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":0.00829,"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":0.00793,"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":0.00741,"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":0.00694,"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":0.00259,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:u","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":0.00283,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Cousins:U","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":0.00331,"value_text":null,"unit":"Jy","err_plus":0.00017,"err_minus":0.00017,"band":"Johnson:K","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":0.00467,"value_text":null,"unit":"Jy","err_plus":0.00028,"err_minus":0.00028,"band":"Johnson:H","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":0.0071,"value_text":null,"unit":"Jy","err_plus":0.00016,"err_minus":0.00016,"band":"Johnson:J","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":0.00187,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W4","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":0.000274,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W3","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":0.000935,"value_text":null,"unit":"Jy","err_plus":2.7e-05,"err_minus":2.7e-05,"band":"WISE:W2","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":0.00178,"value_text":null,"unit":"Jy","err_plus":4e-05,"err_minus":4e-05,"band":"WISE:W1","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":0.0032,"value_text":null,"unit":"Jy","err_plus":0.0001,"err_minus":0.0001,"band":"2MASS:Ks","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":0.00499,"value_text":null,"unit":"Jy","err_plus":0.00018,"err_minus":0.00018,"band":"2MASS:H","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":0.00688,"value_text":null,"unit":"Jy","err_plus":0.00018,"err_minus":0.00018,"band":"2MASS:J","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":0.00749,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"INT/WFC:i","method":"II/321/iphas2","source":"vizier","reference":"II/321/iphas2","ref_year":null},{"parameter":"sed_flux","value":0.00685,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"INT/WFC:Ha","method":"II/321/iphas2","source":"vizier","reference":"II/321/iphas2","ref_year":null},{"parameter":"sed_flux","value":0.00755,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"INT/WFC:r","method":"II/321/iphas2","source":"vizier","reference":"II/321/iphas2","ref_year":null},{"parameter":"sed_flux","value":0.00215,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W4","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":0.000264,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W3","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":0.000925,"value_text":null,"unit":"Jy","err_plus":2.5e-05,"err_minus":2.5e-05,"band":"WISE:W2","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":0.00168,"value_text":null,"unit":"Jy","err_plus":4e-05,"err_minus":4e-05,"band":"WISE:W1","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":0.0032,"value_text":null,"unit":"Jy","err_plus":0.0001,"err_minus":0.0001,"band":"2MASS:Ks","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":0.00499,"value_text":null,"unit":"Jy","err_plus":0.00018,"err_minus":0.00018,"band":"2MASS:H","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":0.00688,"value_text":null,"unit":"Jy","err_plus":0.00018,"err_minus":0.00018,"band":"2MASS:J","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":0.00832,"value_text":null,"unit":"Jy","err_plus":2e-05,"err_minus":2e-05,"band":"PAN-STARRS/PS1:y","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":0.0079,"value_text":null,"unit":"Jy","err_plus":2e-05,"err_minus":2e-05,"band":"PAN-STARRS/PS1:z","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":0.00788,"value_text":null,"unit":"Jy","err_plus":3e-05,"err_minus":3e-05,"band":"PAN-STARRS/PS1:i","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":0.008,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"PAN-STARRS/PS1:r","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":0.0072,"value_text":null,"unit":"Jy","err_plus":1e-05,"err_minus":1e-05,"band":"PAN-STARRS/PS1:g","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":0.000874,"value_text":null,"unit":"Jy","err_plus":9e-06,"err_minus":9e-06,"band":"WISE:W2","method":"II/365/catwise","source":"vizier","reference":"II/365/catwise","ref_year":null},{"parameter":"sed_flux","value":0.0016,"value_text":null,"unit":"Jy","err_plus":2e-05,"err_minus":2e-05,"band":"WISE:W1","method":"II/365/catwise","source":"vizier","reference":"II/365/catwise","ref_year":null},{"parameter":"sed_flux","value":0.00832,"value_text":null,"unit":"Jy","err_plus":2e-05,"err_minus":2e-05,"band":"PAN-STARRS/PS1:y","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":0.0079,"value_text":null,"unit":"Jy","err_plus":2e-05,"err_minus":2e-05,"band":"PAN-STARRS/PS1:z","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":0.00788,"value_text":null,"unit":"Jy","err_plus":3e-05,"err_minus":3e-05,"band":"PAN-STARRS/PS1:i","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":0.008,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"PAN-STARRS/PS1:r","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":0.0072,"value_text":null,"unit":"Jy","err_plus":1e-05,"err_minus":1e-05,"band":"PAN-STARRS/PS1:g","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":0.00695,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"IV/35/wn18_b10","source":"vizier","reference":"IV/35/wn18_b10","ref_year":null},{"parameter":"sed_flux","value":0.00695,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"IV/36/giphasl","source":"vizier","reference":"IV/36/giphasl","ref_year":null},{"parameter":"sed_flux","value":0.00215,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W4","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.000264,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W3","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.000926,"value_text":null,"unit":"Jy","err_plus":2.5e-05,"err_minus":2.5e-05,"band":"WISE:W2","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.00168,"value_text":null,"unit":"Jy","err_plus":4e-05,"err_minus":4e-05,"band":"WISE:W1","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.00319,"value_text":null,"unit":"Jy","err_plus":0.0001,"err_minus":0.0001,"band":"2MASS:Ks","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.00494,"value_text":null,"unit":"Jy","err_plus":0.00018,"err_minus":0.00018,"band":"Johnson:H","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.00702,"value_text":null,"unit":"Jy","err_plus":0.00018,"err_minus":0.00018,"band":"Johnson:J","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.00695,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"Gaia:G","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.00743,"value_text":null,"unit":"Jy","err_plus":0.00071,"err_minus":0.00071,"band":"Johnson:V","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.008,"value_text":null,"unit":"Jy","err_plus":0.00047,"err_minus":0.00047,"band":"Johnson:B","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.00215,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W4","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.000264,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W3","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.000926,"value_text":null,"unit":"Jy","err_plus":2.5e-05,"err_minus":2.5e-05,"band":"WISE:W2","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.00168,"value_text":null,"unit":"Jy","err_plus":4e-05,"err_minus":4e-05,"band":"WISE:W1","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.00319,"value_text":null,"unit":"Jy","err_plus":0.0001,"err_minus":0.0001,"band":"2MASS:Ks","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.00494,"value_text":null,"unit":"Jy","err_plus":0.00018,"err_minus":0.00018,"band":"Johnson:H","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.00702,"value_text":null,"unit":"Jy","err_plus":0.00018,"err_minus":0.00018,"band":"Johnson:J","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.00695,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"Gaia:G","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.00743,"value_text":null,"unit":"Jy","err_plus":0.00071,"err_minus":0.00071,"band":"Johnson:V","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.008,"value_text":null,"unit":"Jy","err_plus":0.00047,"err_minus":0.00047,"band":"Johnson:B","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.000464,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"VI/137/gum_mw","source":"vizier","reference":"VI/137/gum_mw","ref_year":null},{"parameter":"sed_flux","value":0.00499,"value_text":null,"unit":"Jy","err_plus":0.00018,"err_minus":0.00018,"band":"2MASS:H","method":"J/ApJ/867/105/refcat2","source":"vizier","reference":"J/ApJ/867/105/refcat2","ref_year":null},{"parameter":"sed_flux","value":0.00688,"value_text":null,"unit":"Jy","err_plus":0.00016,"err_minus":0.00016,"band":"2MASS:J","method":"J/ApJ/867/105/refcat2","source":"vizier","reference":"J/ApJ/867/105/refcat2","ref_year":null},{"parameter":"sed_flux","value":0.0093,"value_text":null,"unit":"Jy","err_plus":1e-05,"err_minus":1e-05,"band":"Gaia:G","method":"J/ApJ/867/105/refcat2","source":"vizier","reference":"J/ApJ/867/105/refcat2","ref_year":null},{"parameter":"sed_flux","value":0.00695,"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":0.00808,"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":0.00695,"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":0.007,"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":0.00695,"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":0.00695,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/A+A/635/A45/table2","source":"vizier","reference":"J/A+A/635/A45/table2","ref_year":null},{"parameter":"sed_flux","value":0.00705,"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":0.00705,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/A+A/678/A111/astars","source":"vizier","reference":"J/A+A/678/A111/astars","ref_year":null},{"parameter":"sed_flux","value":0.00309,"value_text":null,"unit":"Jy","err_plus":0.0001,"err_minus":0.0001,"band":"Johnson:K","method":"J/A+A/691/A242/tessobaf","source":"vizier","reference":"J/A+A/691/A242/tessobaf","ref_year":null},{"parameter":"sed_flux","value":0.00494,"value_text":null,"unit":"Jy","err_plus":0.00018,"err_minus":0.00018,"band":"Johnson:H","method":"J/A+A/691/A242/tessobaf","source":"vizier","reference":"J/A+A/691/A242/tessobaf","ref_year":null},{"parameter":"sed_flux","value":0.00702,"value_text":null,"unit":"Jy","err_plus":0.00018,"err_minus":0.00018,"band":"Johnson:J","method":"J/A+A/691/A242/tessobaf","source":"vizier","reference":"J/A+A/691/A242/tessobaf","ref_year":null},{"parameter":"sed_flux","value":0.00935,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/A+A/691/A242/tessobaf","source":"vizier","reference":"J/A+A/691/A242/tessobaf","ref_year":null},{"parameter":"sed_flux","value":0.00705,"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":0.00705,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/A+A/711/A215/tableb2","source":"vizier","reference":"J/A+A/711/A215/tableb2","ref_year":null},{"parameter":"sed_flux","value":0.00499,"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":0.00688,"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":0.00815,"value_text":null,"unit":"Jy","err_plus":0.00339,"err_minus":0.00339,"band":"POSS-II:i","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":0.00856,"value_text":null,"unit":"Jy","err_plus":0.0034,"err_minus":0.0034,"band":"POSS-II:F","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":0.00576,"value_text":null,"unit":"Jy","err_plus":0.00064,"err_minus":0.00064,"band":"POSS-II:J","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":0.00633,"value_text":null,"unit":"Jy","err_plus":0.00239,"err_minus":0.00239,"band":"Johnson:B","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":0.0032,"value_text":null,"unit":"Jy","err_plus":0.0001,"err_minus":0.0001,"band":"2MASS:Ks","method":"I/317/sample","source":"vizier","reference":"I/317/sample","ref_year":null},{"parameter":"sed_flux","value":0.00499,"value_text":null,"unit":"Jy","err_plus":0.00018,"err_minus":0.00018,"band":"2MASS:H","method":"I/317/sample","source":"vizier","reference":"I/317/sample","ref_year":null},{"parameter":"sed_flux","value":0.00688,"value_text":null,"unit":"Jy","err_plus":0.00018,"err_minus":0.00018,"band":"2MASS:J","method":"I/317/sample","source":"vizier","reference":"I/317/sample","ref_year":null},{"parameter":"sed_flux","value":0.00319,"value_text":null,"unit":"Jy","err_plus":0.0001,"err_minus":0.0001,"band":"2MASS:Ks","method":"I/319/xpm","source":"vizier","reference":"I/319/xpm","ref_year":null},{"parameter":"sed_flux","value":0.00498,"value_text":null,"unit":"Jy","err_plus":0.00018,"err_minus":0.00018,"band":"2MASS:H","method":"I/319/xpm","source":"vizier","reference":"I/319/xpm","ref_year":null},{"parameter":"sed_flux","value":0.00688,"value_text":null,"unit":"Jy","err_plus":0.00018,"err_minus":0.00018,"band":"2MASS:J","method":"I/319/xpm","source":"vizier","reference":"I/319/xpm","ref_year":null},{"parameter":"sed_flux","value":0.0032,"value_text":null,"unit":"Jy","err_plus":9e-05,"err_minus":9e-05,"band":"2MASS:Ks","method":"I/322A/out","source":"vizier","reference":"I/322A/out","ref_year":null},{"parameter":"sed_flux","value":0.00499,"value_text":null,"unit":"Jy","err_plus":0.00018,"err_minus":0.00018,"band":"2MASS:H","method":"I/322A/out","source":"vizier","reference":"I/322A/out","ref_year":null},{"parameter":"sed_flux","value":0.00688,"value_text":null,"unit":"Jy","err_plus":0.00019,"err_minus":0.00019,"band":"2MASS:J","method":"I/322A/out","source":"vizier","reference":"I/322A/out","ref_year":null},{"parameter":"sed_flux","value":0.0073,"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":0.00499,"value_text":null,"unit":"Jy","err_plus":0.00018,"err_minus":0.00018,"band":"2MASS:H","method":"I/339/hsoy","source":"vizier","reference":"I/339/hsoy","ref_year":null},{"parameter":"sed_flux","value":0.00688,"value_text":null,"unit":"Jy","err_plus":0.00018,"err_minus":0.00018,"band":"2MASS:J","method":"I/339/hsoy","source":"vizier","reference":"I/339/hsoy","ref_year":null},{"parameter":"sed_flux","value":0.0073,"value_text":null,"unit":"Jy","err_plus":1e-05,"err_minus":1e-05,"band":"Gaia:G","method":"I/339/hsoy","source":"vizier","reference":"I/339/hsoy","ref_year":null},{"parameter":"sed_flux","value":0.00499,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:H","method":"I/340/ucac5","source":"vizier","reference":"I/340/ucac5","ref_year":null},{"parameter":"sed_flux","value":0.00688,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:J","method":"I/340/ucac5","source":"vizier","reference":"I/340/ucac5","ref_year":null},{"parameter":"sed_flux","value":0.0073,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"I/340/ucac5","source":"vizier","reference":"I/340/ucac5","ref_year":null},{"parameter":"surface_gravity","value":4.0278,"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%20509860416743490816","fetched_at":"2026-09-29T06:34:49.763623+00:00"},{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=NGC 581 137","fetched_at":"2026-09-29T06:34:48.831518+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=23.523685%20+60.624599&-c.rs=5","fetched_at":"2026-09-29T06:34:55.343295+00:00"}]}