{"id":1712052,"slug":"cl-melotte-22","name":"Cl Melotte 22","domain":"deep-sky","class":"cluster","otype":"OpC","otype_label":"OpenCluster","ra":56.600833333333334,"dec":24.11388888888889,"coo_err_mas":null,"coo_bibcode":"2021A&A...647A..19T","plx_mas":7.364,"pmra":19.997,"pmdec":-45.548,"rv_kms":5.88,"redshift":1.961376e-05,"dist_pc":null,"vmag":null,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":76.86,"size_min":76.86,"size_angle":null,"nbref":3720,"simbad_oid":675533,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-09-08T05:47:29.421777+00:00","views":18,"first_seen":"2026-08-14T16:50:11.538209+00:00","updated_at":"2026-09-13T03:31:46.301398+00:00","identifiers":["C 0344+239","Cl Melotte 22","H 0346+24","[KC2019] Theia 369","[KPR2004b] 47","[KPS2012] MWSC 0305","M 45","[MGC2022] Crius 232","OCl 421.0","Pleiades","Seven Sisters"],"measurements":[{"parameter":"distance","value":135.4,"value_text":null,"unit":"pc","err_plus":null,"err_minus":null,"band":null,"method":"paral","source":"simbad","reference":"2022ApJ...939...94M","ref_year":2022},{"parameter":"distance","value":0.13,"value_text":null,"unit":"kpc","err_plus":null,"err_minus":null,"band":null,"method":"paral","source":"simbad","reference":"2022MNRAS.509..421N","ref_year":2022},{"parameter":"distance","value":135.9,"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":135.0,"value_text":null,"unit":"pc","err_plus":1.0,"err_minus":-1.0,"band":null,"method":"paral","source":"simbad","reference":"2021MNRAS.504..356D","ref_year":2021},{"parameter":"distance","value":0.135,"value_text":null,"unit":"kpc","err_plus":0.004,"err_minus":-0.004,"band":null,"method":null,"source":"simbad","reference":"2021MNRAS.503.3279S","ref_year":2021},{"parameter":"distance","value":128.0,"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":130.0,"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":134.4,"value_text":null,"unit":"pc","err_plus":2.9,"err_minus":-2.8,"band":null,"method":"paral","source":"simbad","reference":"2017A&A...598A..48G","ref_year":2017},{"parameter":"distance","value":147.0,"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":130.0,"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":0.018,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2026AJ....171...91O","ref_year":2026},{"parameter":"metallicity","value":-0.05,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2024A&A...688A.165S","ref_year":2024},{"parameter":"metallicity","value":0.03,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2024A&A...691A.317A","ref_year":2024},{"parameter":"metallicity","value":0.0,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2022MNRAS.509..421N","ref_year":2022},{"parameter":"metallicity","value":0.093,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2022A&A...668A...4F","ref_year":2022},{"parameter":"metallicity","value":0.032,"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":-0.01,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2021MNRAS.503.3279S","ref_year":2021},{"parameter":"metallicity","value":0.0,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2020AJ....159..199D","ref_year":2020},{"parameter":"metallicity","value":0.05,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2020A&A...640A.127Z","ref_year":2020},{"parameter":"metallicity","value":0.06,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2019A&A...623A..80C","ref_year":2019},{"parameter":"metallicity","value":-0.01,"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":"metallicity","value":-0.01,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2014A&A...561A..93H","ref_year":2014},{"parameter":"parallax","value":7.377,"value_text":null,"unit":"mas","err_plus":0.198,"err_minus":0.198,"band":null,"method":null,"source":"simbad","reference":"2023A&A...674A..37G","ref_year":2023},{"parameter":"parallax","value":7.354,"value_text":null,"unit":"mas","err_plus":0.263,"err_minus":0.263,"band":null,"method":null,"source":"simbad","reference":"2022A&A...659A..59T","ref_year":2022},{"parameter":"parallax","value":7.365,"value_text":null,"unit":"mas","err_plus":0.206,"err_minus":0.206,"band":null,"method":null,"source":"simbad","reference":"2022ApJS..262....7H","ref_year":2022},{"parameter":"parallax","value":7.352,"value_text":null,"unit":"mas","err_plus":0.181,"err_minus":0.181,"band":null,"method":null,"source":"simbad","reference":"2021MNRAS.504..356D","ref_year":2021},{"parameter":"parallax","value":7.353,"value_text":null,"unit":"mas","err_plus":0.2,"err_minus":0.2,"band":null,"method":null,"source":"simbad","reference":"2021MNRAS.503.3279S","ref_year":2021},{"parameter":"parallax","value":7.346,"value_text":null,"unit":"mas","err_plus":0.177,"err_minus":0.177,"band":null,"method":null,"source":"simbad","reference":"2020A&A...640A...1C","ref_year":2020},{"parameter":"parallax","value":7.346,"value_text":null,"unit":"mas","err_plus":0.006,"err_minus":0.006,"band":null,"method":null,"source":"simbad","reference":"2020A&A...633A..99C","ref_year":2020},{"parameter":"parallax","value":6.98883,"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":7.346,"value_text":null,"unit":"mas","err_plus":0.177,"err_minus":0.177,"band":null,"method":null,"source":"simbad","reference":"2018A&A...618A..93C","ref_year":2018},{"parameter":"parallax","value":7.364,"value_text":null,"unit":"mas","err_plus":0.005,"err_minus":0.005,"band":null,"method":null,"source":"simbad","reference":"2018A&A...616A..10G","ref_year":2018},{"parameter":"parallax","value":7.44,"value_text":null,"unit":"mas","err_plus":0.08,"err_minus":0.08,"band":null,"method":null,"source":"simbad","reference":"2017A&A...598A..48G","ref_year":2017},{"parameter":"pm_dec","value":-45.362,"value_text":null,"unit":"mas/yr","err_plus":1.449,"err_minus":1.449,"band":null,"method":null,"source":"simbad","reference":"2023A&A...674A..37G","ref_year":2023},{"parameter":"pm_dec","value":-45.434,"value_text":null,"unit":"mas/yr","err_plus":1.549,"err_minus":1.549,"band":null,"method":null,"source":"simbad","reference":"2022ApJS..262....7H","ref_year":2022},{"parameter":"pm_dec","value":-45.365,"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":-45.398,"value_text":null,"unit":"mas/yr","err_plus":0.848,"err_minus":0.848,"band":null,"method":null,"source":"simbad","reference":"2022A&A...659A..59T","ref_year":2022},{"parameter":"pm_dec","value":-45.511,"value_text":null,"unit":"mas/yr","err_plus":1.179,"err_minus":1.179,"band":null,"method":null,"source":"simbad","reference":"2021MNRAS.504..356D","ref_year":2021},{"parameter":"pm_dec","value":-45.53,"value_text":null,"unit":"mas/yr","err_plus":1.148,"err_minus":1.148,"band":null,"method":null,"source":"simbad","reference":"2021MNRAS.503.3279S","ref_year":2021},{"parameter":"pm_dec","value":-0.93,"value_text":null,"unit":"mas/yr","err_plus":1.1,"err_minus":1.1,"band":null,"method":null,"source":"simbad","reference":"2020ApJ...903...55P","ref_year":2020},{"parameter":"pm_dec","value":-45.503,"value_text":null,"unit":"mas/yr","err_plus":0.038,"err_minus":0.038,"band":null,"method":"ICRS","source":"simbad","reference":"2020A&A...633A..99C","ref_year":2020},{"parameter":"pm_dec","value":-45.503,"value_text":null,"unit":"mas/yr","err_plus":1.183,"err_minus":1.183,"band":null,"method":"ICRS","source":"simbad","reference":"2020A&A...640A...1C","ref_year":2020},{"parameter":"pm_dec","value":-45.548,"value_text":null,"unit":"mas/yr","err_plus":0.101,"err_minus":0.101,"band":null,"method":"ICRS","source":"simbad","reference":"2018A&A...616A..10G","ref_year":2018},{"parameter":"pm_dec","value":-45.503,"value_text":null,"unit":"mas/yr","err_plus":1.183,"err_minus":1.183,"band":null,"method":"ICRS","source":"simbad","reference":"2018A&A...618A..93C","ref_year":2018},{"parameter":"pm_dec","value":-44.81,"value_text":null,"unit":"mas/yr","err_plus":null,"err_minus":null,"band":null,"method":"ICRS","source":"simbad","reference":"2017AstBu..72..257L","ref_year":2017},{"parameter":"pm_dec","value":-45.68,"value_text":null,"unit":"mas/yr","err_plus":1.88,"err_minus":1.88,"band":null,"method":"ICRS","source":"simbad","reference":"2014A&A...564A..79D","ref_year":2014},{"parameter":"pm_ra","value":19.925,"value_text":null,"unit":"mas/yr","err_plus":1.211,"err_minus":1.211,"band":null,"method":null,"source":"simbad","reference":"2023A&A...674A..37G","ref_year":2023},{"parameter":"pm_ra","value":19.959,"value_text":null,"unit":"mas/yr","err_plus":0.755,"err_minus":0.755,"band":null,"method":null,"source":"simbad","reference":"2022A&A...659A..59T","ref_year":2022},{"parameter":"pm_ra","value":19.945,"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":19.995,"value_text":null,"unit":"mas/yr","err_plus":1.25,"err_minus":1.25,"band":null,"method":null,"source":"simbad","reference":"2022ApJS..262....7H","ref_year":2022},{"parameter":"pm_ra","value":19.998,"value_text":null,"unit":"mas/yr","err_plus":1.076,"err_minus":1.076,"band":null,"method":null,"source":"simbad","reference":"2021MNRAS.503.3279S","ref_year":2021},{"parameter":"pm_ra","value":19.954,"value_text":null,"unit":"mas/yr","err_plus":1.107,"err_minus":1.107,"band":null,"method":null,"source":"simbad","reference":"2021MNRAS.504..356D","ref_year":2021},{"parameter":"pm_ra","value":20.077,"value_text":null,"unit":"mas/yr","err_plus":0.035,"err_minus":0.035,"band":null,"method":"ICRS","source":"simbad","reference":"2020A&A...633A..99C","ref_year":2020},{"parameter":"pm_ra","value":0.04,"value_text":null,"unit":"mas/yr","err_plus":0.64,"err_minus":0.64,"band":null,"method":null,"source":"simbad","reference":"2020ApJ...903...55P","ref_year":2020},{"parameter":"pm_ra","value":20.077,"value_text":null,"unit":"mas/yr","err_plus":1.062,"err_minus":1.062,"band":null,"method":"ICRS","source":"simbad","reference":"2020A&A...640A...1C","ref_year":2020},{"parameter":"pm_ra","value":20.077,"value_text":null,"unit":"mas/yr","err_plus":1.062,"err_minus":1.062,"band":null,"method":"ICRS","source":"simbad","reference":"2018A&A...618A..93C","ref_year":2018},{"parameter":"pm_ra","value":19.997,"value_text":null,"unit":"mas/yr","err_plus":0.127,"err_minus":0.127,"band":null,"method":"ICRS","source":"simbad","reference":"2018A&A...616A..10G","ref_year":2018},{"parameter":"pm_ra","value":19.85,"value_text":null,"unit":"mas/yr","err_plus":null,"err_minus":null,"band":null,"method":"ICRS","source":"simbad","reference":"2017AstBu..72..257L","ref_year":2017},{"parameter":"pm_ra","value":18.93,"value_text":null,"unit":"mas/yr","err_plus":1.29,"err_minus":1.29,"band":null,"method":"ICRS","source":"simbad","reference":"2014A&A...564A..79D","ref_year":2014},{"parameter":"radial_velocity","value":5.49,"value_text":null,"unit":"km/s","err_plus":0.501,"err_minus":0.501,"band":null,"method":"v","source":"simbad","reference":"2023A&A...674A..37G","ref_year":2023},{"parameter":"radial_velocity","value":5.72,"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":0.620711,"value_text":null,"unit":"km/s","err_plus":0.14197,"err_minus":0.14197,"band":null,"method":"v","source":"simbad","reference":"2022A&A...668A...4F","ref_year":2022},{"parameter":"radial_velocity","value":5.88,"value_text":null,"unit":"km/s","err_plus":0.03,"err_minus":0.03,"band":null,"method":"v","source":"simbad","reference":"2021A&A...647A..19T","ref_year":2021},{"parameter":"radial_velocity","value":5.792,"value_text":null,"unit":"km/s","err_plus":1.109,"err_minus":1.109,"band":null,"method":"v","source":"simbad","reference":"2021MNRAS.504..356D","ref_year":2021},{"parameter":"radial_velocity","value":6.1,"value_text":null,"unit":"km/s","err_plus":0.9,"err_minus":0.9,"band":null,"method":"v","source":"simbad","reference":"2020AJ....159..199D","ref_year":2020},{"parameter":"radial_velocity","value":5.98,"value_text":null,"unit":"km/s","err_plus":0.81,"err_minus":0.81,"band":null,"method":"v","source":"simbad","reference":"2020ApJ...903...55P","ref_year":2020},{"parameter":"radial_velocity","value":6.57,"value_text":null,"unit":"km/s","err_plus":0.17,"err_minus":0.17,"band":null,"method":"V","source":"simbad","reference":"2019A&A...623A..80C","ref_year":2019},{"parameter":"radial_velocity","value":5.65,"value_text":null,"unit":"km/s","err_plus":0.09,"err_minus":0.09,"band":null,"method":"v","source":"simbad","reference":"2018A&A...616A..10G","ref_year":2018},{"parameter":"radial_velocity","value":5.92,"value_text":null,"unit":"km/s","err_plus":0.09,"err_minus":0.09,"band":null,"method":"v","source":"simbad","reference":"2018A&A...619A.155S","ref_year":2018},{"parameter":"radial_velocity","value":5.7,"value_text":null,"unit":"km/s","err_plus":0.6,"err_minus":0.6,"band":null,"method":"v","source":"simbad","reference":"2017A&A...600A.106C","ref_year":2017},{"parameter":"radial_velocity","value":5.5,"value_text":null,"unit":"km/s","err_plus":0.33,"err_minus":0.33,"band":null,"method":"v","source":"simbad","reference":"2017AstBu..72..257L","ref_year":2017},{"parameter":"radial_velocity","value":3.503,"value_text":null,"unit":"km/s","err_plus":0.391,"err_minus":0.391,"band":null,"method":"v","source":"simbad","reference":"2014A&A...562A..54C","ref_year":2014}],"orbit":null,"exoplanet":null,"sources":[{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=Cl Melotte 22","fetched_at":"2026-09-08T05:47:29.420477+00:00"}]}