{"id":2799969,"slug":"kepler-309-7812991","name":"Kepler-309","domain":"deep-sky","class":"star","otype":"*","otype_label":"Star","ra":297.50986765774,"dec":46.9612618269,"coo_err_mas":0.0176,"coo_bibcode":"2020yCat.1350....0G","plx_mas":1.8186,"pmra":3.718,"pmdec":34.902,"rv_kms":null,"redshift":null,"dist_pc":null,"vmag":null,"bmag":null,"gmag":15.113044,"jmag":13.504,"kmag":12.852,"sp_type":"M0V","morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":54,"simbad_oid":7812991,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":0,"deep_at":null,"views":3,"first_seen":"2026-08-14T16:52:21.599652+00:00","updated_at":"2026-08-14T16:52:21.599652+00:00","identifiers":["Kepler-309"],"measurements":[{"parameter":"effective_temperature","value":4714.0,"value_text":null,"unit":"K","err_plus":25.0,"err_minus":25.0,"band":null,"method":null,"source":"nasa-exo","reference":"TICv8","ref_year":2019},{"parameter":"effective_temperature","value":4786.0,"value_text":null,"unit":"K","err_plus":60.0,"err_minus":60.0,"band":null,"method":null,"source":"nasa-exo","reference":"Fulton & Petigura 2018","ref_year":2018},{"parameter":"effective_temperature","value":4786.0,"value_text":null,"unit":"K","err_plus":96.0,"err_minus":96.0,"band":null,"method":null,"source":"nasa-exo","reference":"Berger et al. 2018","ref_year":2018},{"parameter":"effective_temperature","value":4736.0,"value_text":null,"unit":"K","err_plus":67.22,"err_minus":53.21,"band":null,"method":null,"source":"nasa-exo","reference":"Morton et al. 2016","ref_year":2016},{"parameter":"effective_temperature","value":3880.0,"value_text":null,"unit":"K","err_plus":143.0,"err_minus":103.0,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2014},{"parameter":"effective_temperature","value":3880.0,"value_text":null,"unit":"K","err_plus":143.0,"err_minus":103.0,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2014},{"parameter":"effective_temperature","value":4680.0,"value_text":null,"unit":"K","err_plus":87.0,"err_minus":87.0,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q8 KOI Table","ref_year":2014},{"parameter":"effective_temperature","value":3880.0,"value_text":null,"unit":"K","err_plus":143.0,"err_minus":103.0,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2014},{"parameter":"effective_temperature","value":3883.0,"value_text":null,"unit":"K","err_plus":69.0,"err_minus":93.0,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2014},{"parameter":"effective_temperature","value":4713.0,"value_text":null,"unit":"K","err_plus":100.0,"err_minus":100.0,"band":null,"method":null,"source":"nasa-exo","reference":"Rowe et al. 2014","ref_year":2014},{"parameter":"effective_temperature","value":3880.0,"value_text":null,"unit":"K","err_plus":143.0,"err_minus":103.0,"band":null,"method":null,"source":"nasa-exo","reference":"Muirhead et al. 2012","ref_year":2012},{"parameter":"mass","value":0.75,"value_text":null,"unit":"M_sun","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"nasa-exo","reference":"TICv8","ref_year":2019},{"parameter":"mass","value":0.816,"value_text":null,"unit":"M_sun","err_plus":0.011,"err_minus":0.023,"band":null,"method":null,"source":"nasa-exo","reference":"Fulton & Petigura 2018","ref_year":2018},{"parameter":"mass","value":0.79,"value_text":null,"unit":"M_sun","err_plus":0.023,"err_minus":0.022,"band":null,"method":null,"source":"nasa-exo","reference":"Morton et al. 2016","ref_year":2016},{"parameter":"mass","value":0.666,"value_text":null,"unit":"M_sun","err_plus":0.021,"err_minus":0.021,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q8 KOI Table","ref_year":2014},{"parameter":"mass","value":0.51,"value_text":null,"unit":"M_sun","err_plus":0.07,"err_minus":0.07,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2014},{"parameter":"mass","value":0.51,"value_text":null,"unit":"M_sun","err_plus":0.07,"err_minus":0.07,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2014},{"parameter":"mass","value":0.518,"value_text":null,"unit":"M_sun","err_plus":0.029,"err_minus":0.044,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2014},{"parameter":"mass","value":0.51,"value_text":null,"unit":"M_sun","err_plus":0.07,"err_minus":0.07,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2014},{"parameter":"mass","value":0.51,"value_text":null,"unit":"M_sun","err_plus":0.07,"err_minus":0.07,"band":null,"method":null,"source":"nasa-exo","reference":"Muirhead et al. 2012","ref_year":2012},{"parameter":"radius","value":0.774232,"value_text":null,"unit":"R_sun","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"nasa-exo","reference":"TICv8","ref_year":2019},{"parameter":"radius","value":0.748,"value_text":null,"unit":"R_sun","err_plus":0.033,"err_minus":0.031,"band":null,"method":null,"source":"nasa-exo","reference":"Berger et al. 2018","ref_year":2018},{"parameter":"radius","value":0.739,"value_text":null,"unit":"R_sun","err_plus":0.023,"err_minus":0.022,"band":null,"method":null,"source":"nasa-exo","reference":"Fulton & Petigura 2018","ref_year":2018},{"parameter":"radius","value":0.73,"value_text":null,"unit":"R_sun","err_plus":0.014,"err_minus":0.012,"band":null,"method":null,"source":"nasa-exo","reference":"Morton et al. 2016","ref_year":2016},{"parameter":"radius","value":0.49,"value_text":null,"unit":"R_sun","err_plus":0.07,"err_minus":0.07,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2014},{"parameter":"radius","value":0.496,"value_text":null,"unit":"R_sun","err_plus":0.036,"err_minus":0.044,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2014},{"parameter":"radius","value":0.49,"value_text":null,"unit":"R_sun","err_plus":0.07,"err_minus":0.07,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2014},{"parameter":"radius","value":0.642,"value_text":null,"unit":"R_sun","err_plus":0.02,"err_minus":0.02,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q8 KOI Table","ref_year":2014},{"parameter":"radius","value":0.49,"value_text":null,"unit":"R_sun","err_plus":0.07,"err_minus":0.07,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2014},{"parameter":"radius","value":0.721,"value_text":null,"unit":"R_sun","err_plus":0.04,"err_minus":0.04,"band":null,"method":null,"source":"nasa-exo","reference":"Rowe et al. 2014","ref_year":2014},{"parameter":"radius","value":0.49,"value_text":null,"unit":"R_sun","err_plus":0.07,"err_minus":0.07,"band":null,"method":null,"source":"nasa-exo","reference":"Muirhead et al. 2012","ref_year":2012}],"orbit":null,"exoplanet":null,"sources":[]}