{"id":2710116,"slug":"k2-89-6347916","name":"K2-89","domain":"deep-sky","class":"star","otype":"LM*","otype_label":"Low-Mass*","ra":57.06670923242,"dec":20.45963417381,"coo_err_mas":0.0157,"coo_bibcode":"2020yCat.1350....0G","plx_mas":11.5973,"pmra":90.138,"pmdec":-33.838,"rv_kms":18.1761,"redshift":6.063078e-05,"dist_pc":null,"vmag":null,"bmag":null,"gmag":13.30597,"jmag":10.933,"kmag":10.106,"sp_type":"M1V","morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":23,"simbad_oid":6347916,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":0,"deep_at":null,"views":1,"first_seen":"2026-08-14T16:52:05.877200+00:00","updated_at":"2026-08-14T16:52:05.877200+00:00","identifiers":["K2-89"],"measurements":[{"parameter":"effective_temperature","value":3677.0,"value_text":null,"unit":"K","err_plus":157.0,"err_minus":157.0,"band":null,"method":null,"source":"nasa-exo","reference":"TICv8","ref_year":2017},{"parameter":"effective_temperature","value":3691.0,"value_text":null,"unit":"K","err_plus":51.0,"err_minus":51.0,"band":null,"method":null,"source":"nasa-exo","reference":"Crossfield et al. 2016","ref_year":2016},{"parameter":"mass","value":0.531616,"value_text":null,"unit":"M_sun","err_plus":0.020236,"err_minus":0.020236,"band":null,"method":null,"source":"nasa-exo","reference":"TICv8","ref_year":2017},{"parameter":"mass","value":0.347,"value_text":null,"unit":"M_sun","err_plus":0.036,"err_minus":0.036,"band":null,"method":null,"source":"nasa-exo","reference":"Crossfield et al. 2016","ref_year":2016},{"parameter":"radius","value":0.318,"value_text":null,"unit":"R_sun","err_plus":0.031,"err_minus":0.035,"band":null,"method":null,"source":"nasa-exo","reference":"Kruse et al. 2019","ref_year":2019},{"parameter":"radius","value":0.535057,"value_text":null,"unit":"R_sun","err_plus":0.015817,"err_minus":0.015817,"band":null,"method":null,"source":"nasa-exo","reference":"TICv8","ref_year":2017},{"parameter":"radius","value":0.318,"value_text":null,"unit":"R_sun","err_plus":0.033,"err_minus":0.033,"band":null,"method":null,"source":"nasa-exo","reference":"Crossfield et al. 2016","ref_year":2016}],"orbit":null,"exoplanet":null,"sources":[]}