{"id":2131926,"slug":"ngc-6405","name":"NGC 6405","domain":"deep-sky","class":"cluster","otype":"OpC","otype_label":"OpenCluster","ra":265.06916666666666,"dec":-32.24194444444445,"coo_err_mas":null,"coo_bibcode":"2021A&A...647A..19T","plx_mas":2.1626,"pmra":-1.3662,"pmdec":-5.8063,"rv_kms":-7.42,"redshift":-2.475015e-05,"dist_pc":null,"vmag":null,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":20.0,"size_min":20.0,"size_angle":90.0,"nbref":244,"simbad_oid":2384496,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-09-16T00:18:55.872647+00:00","views":22,"first_seen":"2026-08-14T16:50:56.835646+00:00","updated_at":"2026-10-18T03:31:38.311612+00:00","identifiers":["Butterfly Cluster","C 1736-321","Cl VDBH 242","[KC2019] Theia 122","[KPR2004b] 408","[KPS2012] MWSC 2661","M 6","NGC 6405","OCl 1030.0","[SC95] M 38","[SC95] M 43","[SC96] GC 128","[SC96] GC 130","[SC96] GC 137","[SC96] Mis 588","[SC96] Mis 589","[SC96] Mis 607"],"measurements":[{"parameter":"distance","value":457.6,"value_text":null,"unit":"pc","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2022ApJ...931..156P","ref_year":2022},{"parameter":"distance","value":0.465,"value_text":null,"unit":"kpc","err_plus":0.025,"err_minus":-0.025,"band":null,"method":null,"source":"simbad","reference":"2021MNRAS.503.3279S","ref_year":2021},{"parameter":"distance","value":460.6,"value_text":null,"unit":"pc","err_plus":null,"err_minus":null,"band":null,"method":"paral","source":"simbad","reference":"2021MNRAS.502.2582A","ref_year":2021},{"parameter":"distance","value":453.0,"value_text":null,"unit":"pc","err_plus":3.0,"err_minus":-3.0,"band":null,"method":"paral","source":"simbad","reference":"2021MNRAS.504..356D","ref_year":2021},{"parameter":"distance","value":459.0,"value_text":null,"unit":"pc","err_plus":null,"err_minus":null,"band":null,"method":"paral","source":"simbad","reference":"2021A&A...651A.104P","ref_year":2021},{"parameter":"distance","value":356.0,"value_text":null,"unit":"pc","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2018MNRAS.473..849D","ref_year":2018},{"parameter":"distance","value":487.0,"value_text":null,"unit":"pc","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2017AstBu..72..257L","ref_year":2017},{"parameter":"distance","value":0.4,"value_text":null,"unit":"kpc","err_plus":null,"err_minus":null,"band":null,"method":"ST-L","source":"simbad","reference":"2009MNRAS.400..518M","ref_year":2009},{"parameter":"distance","value":487.0,"value_text":null,"unit":"pc","err_plus":null,"err_minus":null,"band":null,"method":"ST-L","source":"simbad","reference":"2005A&A...438.1163K","ref_year":2005},{"parameter":"metallicity","value":-0.02,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2022A&A...666A.121R","ref_year":2022},{"parameter":"metallicity","value":0.142,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2021MNRAS.504..356D","ref_year":2021},{"parameter":"metallicity","value":0.07,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2016A&A...585A.150N","ref_year":2016},{"parameter":"parallax","value":2.206,"value_text":null,"unit":"mas","err_plus":0.061,"err_minus":0.061,"band":null,"method":null,"source":"simbad","reference":"2023A&A...674A..37G","ref_year":2023},{"parameter":"parallax","value":2.177,"value_text":null,"unit":"mas","err_plus":0.053,"err_minus":0.053,"band":null,"method":null,"source":"simbad","reference":"2022ApJS..262....7H","ref_year":2022},{"parameter":"parallax","value":2.161,"value_text":null,"unit":"mas","err_plus":0.11,"err_minus":0.11,"band":null,"method":null,"source":"simbad","reference":"2021MNRAS.503.3279S","ref_year":2021},{"parameter":"parallax","value":2.176,"value_text":null,"unit":"mas","err_plus":0.049,"err_minus":0.049,"band":null,"method":null,"source":"simbad","reference":"2021A&A...651A.104P","ref_year":2021},{"parameter":"parallax","value":2.167,"value_text":null,"unit":"mas","err_plus":0.099,"err_minus":0.099,"band":null,"method":null,"source":"simbad","reference":"2021MNRAS.504..356D","ref_year":2021},{"parameter":"parallax","value":2.172,"value_text":null,"unit":"mas","err_plus":0.004,"err_minus":0.004,"band":null,"method":null,"source":"simbad","reference":"2020A&A...633A..99C","ref_year":2020},{"parameter":"parallax","value":2.172,"value_text":null,"unit":"mas","err_plus":0.095,"err_minus":0.095,"band":null,"method":null,"source":"simbad","reference":"2020A&A...640A...1C","ref_year":2020},{"parameter":"parallax","value":2.15944,"value_text":null,"unit":"mas","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2019AJ....158..122K","ref_year":2019},{"parameter":"parallax","value":2.172,"value_text":null,"unit":"mas","err_plus":0.095,"err_minus":0.095,"band":null,"method":null,"source":"simbad","reference":"2018A&A...618A..93C","ref_year":2018},{"parameter":"parallax","value":2.1626,"value_text":null,"unit":"mas","err_plus":0.0021,"err_minus":0.0021,"band":null,"method":null,"source":"simbad","reference":"2018A&A...616A..10G","ref_year":2018},{"parameter":"pm_dec","value":-5.858,"value_text":null,"unit":"mas/yr","err_plus":0.277,"err_minus":0.277,"band":null,"method":null,"source":"simbad","reference":"2023A&A...674A..37G","ref_year":2023},{"parameter":"pm_dec","value":-5.858,"value_text":null,"unit":"mas/yr","err_plus":0.293,"err_minus":0.293,"band":null,"method":null,"source":"simbad","reference":"2022ApJS..262....7H","ref_year":2022},{"parameter":"pm_dec","value":-5.859,"value_text":null,"unit":"mas/yr","err_plus":null,"err_minus":null,"band":null,"method":"ICRS","source":"simbad","reference":"2022ApJ...931..156P","ref_year":2022},{"parameter":"pm_dec","value":-5.806,"value_text":null,"unit":"mas/yr","err_plus":0.37,"err_minus":0.37,"band":null,"method":null,"source":"simbad","reference":"2021MNRAS.503.3279S","ref_year":2021},{"parameter":"pm_dec","value":-5.845,"value_text":null,"unit":"mas/yr","err_plus":0.259,"err_minus":0.259,"band":null,"method":null,"source":"simbad","reference":"2021A&A...651A.104P","ref_year":2021},{"parameter":"pm_dec","value":-5.839,"value_text":null,"unit":"mas/yr","err_plus":0.385,"err_minus":0.385,"band":null,"method":null,"source":"simbad","reference":"2021MNRAS.504..356D","ref_year":2021},{"parameter":"pm_dec","value":-5.816,"value_text":null,"unit":"mas/yr","err_plus":0.013,"err_minus":0.013,"band":null,"method":"ICRS","source":"simbad","reference":"2021MNRAS.502.2582A","ref_year":2021},{"parameter":"pm_dec","value":-5.847,"value_text":null,"unit":"mas/yr","err_plus":0.016,"err_minus":0.016,"band":null,"method":"ICRS","source":"simbad","reference":"2020A&A...633A..99C","ref_year":2020},{"parameter":"pm_dec","value":-5.847,"value_text":null,"unit":"mas/yr","err_plus":0.342,"err_minus":0.342,"band":null,"method":"ICRS","source":"simbad","reference":"2020A&A...640A...1C","ref_year":2020},{"parameter":"pm_dec","value":-5.806,"value_text":null,"unit":"mas/yr","err_plus":0.013,"err_minus":0.013,"band":null,"method":"ICRS","source":"simbad","reference":"2018A&A...616A..10G","ref_year":2018},{"parameter":"pm_dec","value":-5.847,"value_text":null,"unit":"mas/yr","err_plus":0.342,"err_minus":0.342,"band":null,"method":"ICRS","source":"simbad","reference":"2018A&A...618A..93C","ref_year":2018},{"parameter":"pm_dec","value":-4.685,"value_text":null,"unit":"mas/yr","err_plus":0.656,"err_minus":0.656,"band":null,"method":"ICRS","source":"simbad","reference":"2017AstBu..72..257L","ref_year":2017},{"parameter":"pm_dec","value":-3.08,"value_text":null,"unit":"mas/yr","err_plus":2.53,"err_minus":2.53,"band":null,"method":"ICRS","source":"simbad","reference":"2014A&A...564A..79D","ref_year":2014},{"parameter":"pm_ra","value":-1.357,"value_text":null,"unit":"mas/yr","err_plus":0.286,"err_minus":0.286,"band":null,"method":null,"source":"simbad","reference":"2023A&A...674A..37G","ref_year":2023},{"parameter":"pm_ra","value":-1.354,"value_text":null,"unit":"mas/yr","err_plus":0.346,"err_minus":0.346,"band":null,"method":null,"source":"simbad","reference":"2022ApJS..262....7H","ref_year":2022},{"parameter":"pm_ra","value":-1.383,"value_text":null,"unit":"mas/yr","err_plus":null,"err_minus":null,"band":null,"method":"ICRS","source":"simbad","reference":"2022ApJ...931..156P","ref_year":2022},{"parameter":"pm_ra","value":-1.36,"value_text":null,"unit":"mas/yr","err_plus":0.015,"err_minus":0.015,"band":null,"method":"ICRS","source":"simbad","reference":"2021MNRAS.502.2582A","ref_year":2021},{"parameter":"pm_ra","value":-1.312,"value_text":null,"unit":"mas/yr","err_plus":0.416,"err_minus":0.416,"band":null,"method":null,"source":"simbad","reference":"2021MNRAS.504..356D","ref_year":2021},{"parameter":"pm_ra","value":-1.354,"value_text":null,"unit":"mas/yr","err_plus":0.277,"err_minus":0.277,"band":null,"method":null,"source":"simbad","reference":"2021A&A...651A.104P","ref_year":2021},{"parameter":"pm_ra","value":-1.344,"value_text":null,"unit":"mas/yr","err_plus":0.395,"err_minus":0.395,"band":null,"method":null,"source":"simbad","reference":"2021MNRAS.503.3279S","ref_year":2021},{"parameter":"pm_ra","value":-1.306,"value_text":null,"unit":"mas/yr","err_plus":0.018,"err_minus":0.018,"band":null,"method":"ICRS","source":"simbad","reference":"2020A&A...633A..99C","ref_year":2020},{"parameter":"pm_ra","value":-1.306,"value_text":null,"unit":"mas/yr","err_plus":0.341,"err_minus":0.341,"band":null,"method":"ICRS","source":"simbad","reference":"2020A&A...640A...1C","ref_year":2020},{"parameter":"pm_ra","value":-1.306,"value_text":null,"unit":"mas/yr","err_plus":0.341,"err_minus":0.341,"band":null,"method":"ICRS","source":"simbad","reference":"2018A&A...618A..93C","ref_year":2018},{"parameter":"pm_ra","value":-1.366,"value_text":null,"unit":"mas/yr","err_plus":0.014,"err_minus":0.014,"band":null,"method":"ICRS","source":"simbad","reference":"2018A&A...616A..10G","ref_year":2018},{"parameter":"pm_ra","value":-0.353,"value_text":null,"unit":"mas/yr","err_plus":0.655,"err_minus":0.655,"band":null,"method":"ICRS","source":"simbad","reference":"2017AstBu..72..257L","ref_year":2017},{"parameter":"pm_ra","value":-1.05,"value_text":null,"unit":"mas/yr","err_plus":3.02,"err_minus":3.02,"band":null,"method":"ICRS","source":"simbad","reference":"2014A&A...564A..79D","ref_year":2014},{"parameter":"radial_velocity","value":-10.677,"value_text":null,"unit":"km/s","err_plus":0.51,"err_minus":0.51,"band":null,"method":"v","source":"simbad","reference":"2023A&A...674A..37G","ref_year":2023},{"parameter":"radial_velocity","value":-8.12,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"v","source":"simbad","reference":"2022ApJ...931..156P","ref_year":2022},{"parameter":"radial_velocity","value":-8.71,"value_text":null,"unit":"km/s","err_plus":2.127,"err_minus":2.127,"band":null,"method":"v","source":"simbad","reference":"2021MNRAS.504..356D","ref_year":2021},{"parameter":"radial_velocity","value":-7.42,"value_text":null,"unit":"km/s","err_plus":0.41,"err_minus":0.41,"band":null,"method":"v","source":"simbad","reference":"2021A&A...647A..19T","ref_year":2021},{"parameter":"radial_velocity","value":-9.47,"value_text":null,"unit":"km/s","err_plus":0.52,"err_minus":0.52,"band":null,"method":"v","source":"simbad","reference":"2018A&A...619A.155S","ref_year":2018},{"parameter":"radial_velocity","value":-9.2,"value_text":null,"unit":"km/s","err_plus":0.77,"err_minus":0.77,"band":null,"method":"v","source":"simbad","reference":"2018A&A...616A..10G","ref_year":2018},{"parameter":"radial_velocity","value":-7.3,"value_text":null,"unit":"km/s","err_plus":1.9,"err_minus":1.9,"band":null,"method":"v","source":"simbad","reference":"2017A&A...600A.106C","ref_year":2017},{"parameter":"radial_velocity","value":-9.8,"value_text":null,"unit":"km/s","err_plus":2.64,"err_minus":2.64,"band":null,"method":"v","source":"simbad","reference":"2017AstBu..72..257L","ref_year":2017},{"parameter":"radial_velocity","value":-7.049,"value_text":null,"unit":"km/s","err_plus":2.746,"err_minus":2.746,"band":null,"method":"v","source":"simbad","reference":"2014A&A...562A..54C","ref_year":2014},{"parameter":"sed_flux","value":0.000571,"value_text":null,"unit":"Jy","err_plus":0.00012,"err_minus":0.00012,"band":"Spitzer/IRAC:4.5","method":"II/293/glimpse","source":"vizier","reference":"II/293/glimpse","ref_year":null},{"parameter":"sed_flux","value":0.000876,"value_text":null,"unit":"Jy","err_plus":7.6e-05,"err_minus":7.6e-05,"band":"Spitzer/IRAC:3.6","method":"II/293/glimpse","source":"vizier","reference":"II/293/glimpse","ref_year":null},{"parameter":"sed_flux","value":0.000915,"value_text":null,"unit":"Jy","err_plus":4.5e-05,"err_minus":4.5e-05,"band":"VISTA:Ks","method":"II/337/vvv1","source":"vizier","reference":"II/337/vvv1","ref_year":null},{"parameter":"sed_flux","value":0.000707,"value_text":null,"unit":"Jy","err_plus":3.8e-05,"err_minus":3.8e-05,"band":"VISTA:H","method":"II/337/vvv1","source":"vizier","reference":"II/337/vvv1","ref_year":null},{"parameter":"sed_flux","value":0.000245,"value_text":null,"unit":"Jy","err_plus":1.7e-05,"err_minus":1.7e-05,"band":"VISTA:J","method":"II/337/vvv1","source":"vizier","reference":"II/337/vvv1","ref_year":null},{"parameter":"sed_flux","value":0.000915,"value_text":null,"unit":"Jy","err_plus":4.5e-05,"err_minus":4.5e-05,"band":"VISTA:Ks","method":"II/348/vvv2","source":"vizier","reference":"II/348/vvv2","ref_year":null},{"parameter":"sed_flux","value":0.000707,"value_text":null,"unit":"Jy","err_plus":3.8e-05,"err_minus":3.8e-05,"band":"VISTA:H","method":"II/348/vvv2","source":"vizier","reference":"II/348/vvv2","ref_year":null},{"parameter":"sed_flux","value":5.55e-05,"value_text":null,"unit":"Jy","err_plus":1.69e-05,"err_minus":1.69e-05,"band":"VISTA:J","method":"II/348/vvv2","source":"vizier","reference":"II/348/vvv2","ref_year":null},{"parameter":"sed_flux","value":0.000324,"value_text":null,"unit":"Jy","err_plus":1.7e-05,"err_minus":1.7e-05,"band":"Johnson:K","method":"II/364/virac","source":"vizier","reference":"II/364/virac","ref_year":null},{"parameter":"sed_flux","value":0.00019,"value_text":null,"unit":"Jy","err_plus":4.6e-05,"err_minus":4.6e-05,"band":"VISTA:Ks","method":"II/376/vvv4","source":"vizier","reference":"II/376/vvv4","ref_year":null},{"parameter":"sed_flux","value":0.000125,"value_text":null,"unit":"Jy","err_plus":3.8e-05,"err_minus":3.8e-05,"band":"VISTA:H","method":"II/376/vvv4","source":"vizier","reference":"II/376/vvv4","ref_year":null},{"parameter":"sed_flux","value":5.46e-05,"value_text":null,"unit":"Jy","err_plus":1.66e-05,"err_minus":1.66e-05,"band":"VISTA:J","method":"II/376/vvv4","source":"vizier","reference":"II/376/vvv4","ref_year":null},{"parameter":"sed_flux","value":8.96e-05,"value_text":null,"unit":"Jy","err_plus":9.2e-06,"err_minus":9.2e-06,"band":"VISTA:Y","method":"II/376/vvv4","source":"vizier","reference":"II/376/vvv4","ref_year":null},{"parameter":"sed_flux","value":5.05e-05,"value_text":null,"unit":"Jy","err_plus":5.3e-06,"err_minus":5.3e-06,"band":"VISTA:Z","method":"II/376/vvv4","source":"vizier","reference":"II/376/vvv4","ref_year":null},{"parameter":"sed_flux","value":0.000137,"value_text":null,"unit":"Jy","err_plus":1.8e-05,"err_minus":1.8e-05,"band":"VISTA:Ks","method":"II/387/virac2","source":"vizier","reference":"II/387/virac2","ref_year":null},{"parameter":"sed_flux","value":0.000111,"value_text":null,"unit":"Jy","err_plus":8e-06,"err_minus":8e-06,"band":"VISTA:H","method":"II/387/virac2","source":"vizier","reference":"II/387/virac2","ref_year":null},{"parameter":"sed_flux","value":5.23e-05,"value_text":null,"unit":"Jy","err_plus":4.6e-06,"err_minus":4.6e-06,"band":"VISTA:J","method":"II/387/virac2","source":"vizier","reference":"II/387/virac2","ref_year":null},{"parameter":"sed_flux","value":3.94e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"VISTA:Y","method":"II/387/virac2","source":"vizier","reference":"II/387/virac2","ref_year":null},{"parameter":"sed_flux","value":6.88e-05,"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}],"orbit":null,"exoplanet":null,"sources":[{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=NGC 6405","fetched_at":"2026-09-16T00:18:46.564618+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=265.069167%20-32.241944&-c.rs=5","fetched_at":"2026-09-16T00:18:55.870603+00:00"}]}