{"id":1615554,"slug":"ngc-884","name":"NGC 884","domain":"deep-sky","class":"cluster","otype":"OpC","otype_label":"OpenCluster","ra":35.58416666666667,"dec":57.14888888888889,"coo_err_mas":null,"coo_bibcode":"2021A&A...647A..19T","plx_mas":0.3976,"pmra":-0.6021,"pmdec":-1.0616,"rv_kms":-43.525,"redshift":-0.00014517324,"dist_pc":null,"vmag":null,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":15.0,"size_min":15.0,"size_angle":0.0,"nbref":506,"simbad_oid":176311,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-09-07T05:47:53.178437+00:00","views":18,"first_seen":"2026-08-14T16:49:53.050273+00:00","updated_at":"2026-09-13T03:31:46.301398+00:00","identifiers":["C 0218+568","chi Per Cluster","chi Persei Cluster","Cl Collinder 25","Cl Melotte 14","khi Per Cluster","[KPR2004b] 30","[KPS2012] MWSC 0184","NGC 884","OCISM 86","OCl 353","OCl 353.0","Raab 10"],"measurements":[{"parameter":"distance","value":2130.0,"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":2150.0,"value_text":null,"unit":"pc","err_plus":103.0,"err_minus":-103.0,"band":null,"method":"paral","source":"simbad","reference":"2021MNRAS.504..356D","ref_year":2021},{"parameter":"distance","value":1989.0,"value_text":null,"unit":"pc","err_plus":222.0,"err_minus":-222.0,"band":null,"method":"paral","source":"simbad","reference":"2019MNRAS.486.5726D","ref_year":2019},{"parameter":"distance","value":2355.0,"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":2345.0,"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":-0.238,"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":-0.079,"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":-0.186,"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":"parallax","value":0.433,"value_text":null,"unit":"mas","err_plus":0.025,"err_minus":0.025,"band":null,"method":null,"source":"simbad","reference":"2023A&A...674A..37G","ref_year":2023},{"parameter":"parallax","value":0.402,"value_text":null,"unit":"mas","err_plus":0.025,"err_minus":0.025,"band":null,"method":null,"source":"simbad","reference":"2021A&A...651A.104P","ref_year":2021},{"parameter":"parallax","value":0.398,"value_text":null,"unit":"mas","err_plus":0.039,"err_minus":0.039,"band":null,"method":null,"source":"simbad","reference":"2021MNRAS.504..356D","ref_year":2021},{"parameter":"parallax","value":0.398,"value_text":null,"unit":"mas","err_plus":0.038,"err_minus":0.038,"band":null,"method":null,"source":"simbad","reference":"2020A&A...640A...1C","ref_year":2020},{"parameter":"parallax","value":0.398,"value_text":null,"unit":"mas","err_plus":0.002,"err_minus":0.002,"band":null,"method":null,"source":"simbad","reference":"2020A&A...633A..99C","ref_year":2020},{"parameter":"parallax","value":0.395,"value_text":null,"unit":"mas","err_plus":0.038,"err_minus":0.038,"band":null,"method":null,"source":"simbad","reference":"2019MNRAS.486.5726D","ref_year":2019},{"parameter":"parallax","value":0.3976,"value_text":null,"unit":"mas","err_plus":0.0012,"err_minus":0.0012,"band":null,"method":null,"source":"simbad","reference":"2018A&A...616A..10G","ref_year":2018},{"parameter":"parallax","value":0.398,"value_text":null,"unit":"mas","err_plus":0.038,"err_minus":0.038,"band":null,"method":null,"source":"simbad","reference":"2018A&A...618A..93C","ref_year":2018},{"parameter":"pm_dec","value":-1.128,"value_text":null,"unit":"mas/yr","err_plus":0.096,"err_minus":0.096,"band":null,"method":null,"source":"simbad","reference":"2023A&A...674A..37G","ref_year":2023},{"parameter":"pm_dec","value":-1.059,"value_text":null,"unit":"mas/yr","err_plus":0.122,"err_minus":0.122,"band":null,"method":null,"source":"simbad","reference":"2021MNRAS.504..356D","ref_year":2021},{"parameter":"pm_dec","value":-1.127,"value_text":null,"unit":"mas/yr","err_plus":0.094,"err_minus":0.094,"band":null,"method":null,"source":"simbad","reference":"2021A&A...651A.104P","ref_year":2021},{"parameter":"pm_dec","value":-1.066,"value_text":null,"unit":"mas/yr","err_plus":0.118,"err_minus":0.118,"band":null,"method":"ICRS","source":"simbad","reference":"2020A&A...640A...1C","ref_year":2020},{"parameter":"pm_dec","value":-1.066,"value_text":null,"unit":"mas/yr","err_plus":0.006,"err_minus":0.006,"band":null,"method":"ICRS","source":"simbad","reference":"2020A&A...633A..99C","ref_year":2020},{"parameter":"pm_dec","value":-1.049,"value_text":null,"unit":"mas/yr","err_plus":0.009,"err_minus":0.009,"band":null,"method":null,"source":"simbad","reference":"2019MNRAS.486.5726D","ref_year":2019},{"parameter":"pm_dec","value":-1.061,"value_text":null,"unit":"mas/yr","err_plus":0.003,"err_minus":0.003,"band":null,"method":"ICRS","source":"simbad","reference":"2018A&A...616A..10G","ref_year":2018},{"parameter":"pm_dec","value":-1.066,"value_text":null,"unit":"mas/yr","err_plus":0.118,"err_minus":0.118,"band":null,"method":"ICRS","source":"simbad","reference":"2018A&A...618A..93C","ref_year":2018},{"parameter":"pm_dec","value":0.418,"value_text":null,"unit":"mas/yr","err_plus":0.076,"err_minus":0.076,"band":null,"method":"ICRS","source":"simbad","reference":"2017AstBu..72..257L","ref_year":2017},{"parameter":"pm_dec","value":-0.63,"value_text":null,"unit":"mas/yr","err_plus":0.43,"err_minus":0.43,"band":null,"method":"ICRS","source":"simbad","reference":"2014A&A...564A..79D","ref_year":2014},{"parameter":"pm_ra","value":-0.611,"value_text":null,"unit":"mas/yr","err_plus":0.114,"err_minus":0.114,"band":null,"method":null,"source":"simbad","reference":"2023A&A...674A..37G","ref_year":2023},{"parameter":"pm_ra","value":-0.612,"value_text":null,"unit":"mas/yr","err_plus":0.113,"err_minus":0.113,"band":null,"method":null,"source":"simbad","reference":"2021A&A...651A.104P","ref_year":2021},{"parameter":"pm_ra","value":-0.626,"value_text":null,"unit":"mas/yr","err_plus":0.125,"err_minus":0.125,"band":null,"method":null,"source":"simbad","reference":"2021MNRAS.504..356D","ref_year":2021},{"parameter":"pm_ra","value":-0.628,"value_text":null,"unit":"mas/yr","err_plus":0.006,"err_minus":0.006,"band":null,"method":"ICRS","source":"simbad","reference":"2020A&A...633A..99C","ref_year":2020},{"parameter":"pm_ra","value":-0.628,"value_text":null,"unit":"mas/yr","err_plus":0.117,"err_minus":0.117,"band":null,"method":"ICRS","source":"simbad","reference":"2020A&A...640A...1C","ref_year":2020},{"parameter":"pm_ra","value":-0.607,"value_text":null,"unit":"mas/yr","err_plus":0.007,"err_minus":0.007,"band":null,"method":null,"source":"simbad","reference":"2019MNRAS.486.5726D","ref_year":2019},{"parameter":"pm_ra","value":-0.628,"value_text":null,"unit":"mas/yr","err_plus":0.117,"err_minus":0.117,"band":null,"method":"ICRS","source":"simbad","reference":"2018A&A...618A..93C","ref_year":2018},{"parameter":"pm_ra","value":-0.602,"value_text":null,"unit":"mas/yr","err_plus":0.003,"err_minus":0.003,"band":null,"method":"ICRS","source":"simbad","reference":"2018A&A...616A..10G","ref_year":2018},{"parameter":"pm_ra","value":-1.298,"value_text":null,"unit":"mas/yr","err_plus":0.083,"err_minus":0.083,"band":null,"method":"ICRS","source":"simbad","reference":"2017AstBu..72..257L","ref_year":2017},{"parameter":"pm_ra","value":-2.29,"value_text":null,"unit":"mas/yr","err_plus":0.91,"err_minus":0.91,"band":null,"method":"ICRS","source":"simbad","reference":"2014A&A...564A..79D","ref_year":2014},{"parameter":"radial_velocity","value":-83.667,"value_text":null,"unit":"km/s","err_plus":35.498,"err_minus":35.498,"band":null,"method":"v","source":"simbad","reference":"2023A&A...674A..37G","ref_year":2023},{"parameter":"radial_velocity","value":-51.709999,"value_text":null,"unit":"km/s","err_plus":7.82999,"err_minus":7.82999,"band":null,"method":"v","source":"simbad","reference":"2022A&A...668A...4F","ref_year":2022},{"parameter":"radial_velocity","value":-33.66,"value_text":null,"unit":"km/s","err_plus":4.03,"err_minus":4.03,"band":null,"method":"v","source":"simbad","reference":"2021A&A...647A..19T","ref_year":2021},{"parameter":"radial_velocity","value":-43.525,"value_text":null,"unit":"km/s","err_plus":0.284,"err_minus":0.284,"band":null,"method":"v","source":"simbad","reference":"2019MNRAS.486.5726D","ref_year":2019},{"parameter":"radial_velocity","value":-43.01,"value_text":null,"unit":"km/s","err_plus":5.69,"err_minus":5.69,"band":null,"method":"v","source":"simbad","reference":"2018A&A...619A.155S","ref_year":2018},{"parameter":"radial_velocity","value":-44.69,"value_text":null,"unit":"km/s","err_plus":0.73,"err_minus":0.73,"band":null,"method":"v","source":"simbad","reference":"2018A&A...616A..10G","ref_year":2018},{"parameter":"radial_velocity","value":-38.9,"value_text":null,"unit":"km/s","err_plus":2.2,"err_minus":2.2,"band":null,"method":"v","source":"simbad","reference":"2017A&A...600A.106C","ref_year":2017},{"parameter":"radial_velocity","value":-43.6,"value_text":null,"unit":"km/s","err_plus":0.94,"err_minus":0.94,"band":null,"method":"v","source":"simbad","reference":"2017AstBu..72..257L","ref_year":2017}],"orbit":null,"exoplanet":null,"sources":[{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=NGC 884","fetched_at":"2026-09-07T05:47:53.177602+00:00"}]}