{"id":2595878,"slug":"kepler-4-5187879","name":"Kepler-4","domain":"deep-sky","class":"star","otype":"Er*","otype_label":"Eruptive*","ra":285.61540813118,"dec":50.135751096,"coo_err_mas":0.0092,"coo_bibcode":"2020yCat.1350....0G","plx_mas":2.0055,"pmra":6.127,"pmdec":4.642,"rv_kms":-60.3733,"redshift":-0.00020136338,"dist_pc":null,"vmag":12.293,"bmag":13.114,"gmag":12.152249,"jmag":11.122,"kmag":10.805,"sp_type":"G0","morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":121,"simbad_oid":5187879,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":0,"deep_at":null,"views":9,"first_seen":"2026-08-14T16:51:51.745621+00:00","updated_at":"2026-08-14T16:51:51.745621+00:00","identifiers":["Kepler-4"],"measurements":[{"parameter":"effective_temperature","value":5772.0,"value_text":null,"unit":"K","err_plus":92.22,"err_minus":114.65,"band":null,"method":null,"source":"nasa-exo","reference":"TICv8","ref_year":2019},{"parameter":"effective_temperature","value":5827.0,"value_text":null,"unit":"K","err_plus":117.0,"err_minus":117.0,"band":null,"method":null,"source":"nasa-exo","reference":"Berger et al. 2018","ref_year":2018},{"parameter":"effective_temperature","value":5827.0,"value_text":null,"unit":"K","err_plus":60.0,"err_minus":60.0,"band":null,"method":null,"source":"nasa-exo","reference":"Fulton &amp; Petigura 2018","ref_year":2018},{"parameter":"effective_temperature","value":5871.0,"value_text":null,"unit":"K","err_plus":50.13,"err_minus":47.86,"band":null,"method":null,"source":"nasa-exo","reference":"Morton et al. 2016","ref_year":2016},{"parameter":"effective_temperature","value":5857.0,"value_text":null,"unit":"K","err_plus":120.0,"err_minus":120.0,"band":null,"method":null,"source":"nasa-exo","reference":"Southworth 2011","ref_year":2011},{"parameter":"effective_temperature","value":5857.0,"value_text":null,"unit":"K","err_plus":120.0,"err_minus":120.0,"band":null,"method":null,"source":"nasa-exo","reference":"Borucki et al. 2010","ref_year":2010},{"parameter":"effective_temperature","value":5772.0,"value_text":null,"unit":"K","err_plus":103.43,"err_minus":103.43,"band":null,"method":null,"source":"nasa-exo","reference":"ExoFOP","ref_year":2009},{"parameter":"effective_temperature","value":5858.0,"value_text":null,"unit":"K","err_plus":60.0,"err_minus":60.0,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q8 KOI Table","ref_year":2009},{"parameter":"effective_temperature","value":5781.0,"value_text":null,"unit":"K","err_plus":76.0,"err_minus":76.0,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2009},{"parameter":"effective_temperature","value":5781.0,"value_text":null,"unit":"K","err_plus":76.0,"err_minus":76.0,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2009},{"parameter":"effective_temperature","value":5795.0,"value_text":null,"unit":"K","err_plus":69.0,"err_minus":77.0,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2009},{"parameter":"effective_temperature","value":5781.0,"value_text":null,"unit":"K","err_plus":76.0,"err_minus":76.0,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2009},{"parameter":"mass","value":1.03,"value_text":null,"unit":"M_sun","err_plus":0.106666,"err_minus":0.149331,"band":null,"method":null,"source":"nasa-exo","reference":"TICv8","ref_year":2019},{"parameter":"mass","value":1.148,"value_text":null,"unit":"M_sun","err_plus":0.047,"err_minus":0.052,"band":null,"method":null,"source":"nasa-exo","reference":"Fulton &amp; Petigura 2018","ref_year":2018},{"parameter":"mass","value":1.11,"value_text":null,"unit":"M_sun","err_plus":0.069,"err_minus":0.029,"band":null,"method":null,"source":"nasa-exo","reference":"Morton et al. 2016","ref_year":2016},{"parameter":"mass","value":1.173,"value_text":null,"unit":"M_sun","err_plus":0.197,"err_minus":0.101,"band":null,"method":null,"source":"nasa-exo","reference":"Southworth 2011","ref_year":2011},{"parameter":"mass","value":1.223,"value_text":null,"unit":"M_sun","err_plus":0.053,"err_minus":0.091,"band":null,"method":null,"source":"nasa-exo","reference":"Borucki et al. 2010","ref_year":2010},{"parameter":"mass","value":1.092,"value_text":null,"unit":"M_sun","err_plus":0.073,"err_minus":0.073,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2009},{"parameter":"mass","value":1.092,"value_text":null,"unit":"M_sun","err_plus":0.073,"err_minus":0.073,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2009},{"parameter":"mass","value":1.092,"value_text":null,"unit":"M_sun","err_plus":0.073,"err_minus":0.073,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2009},{"parameter":"mass","value":1.124,"value_text":null,"unit":"M_sun","err_plus":0.055,"err_minus":0.055,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q8 KOI Table","ref_year":2009},{"parameter":"mass","value":1.097,"value_text":null,"unit":"M_sun","err_plus":0.138,"err_minus":0.069,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2009},{"parameter":"radius","value":1.59521,"value_text":null,"unit":"R_sun","err_plus":0.069391,"err_minus":0.066991,"band":null,"method":null,"source":"nasa-exo","reference":"TICv8","ref_year":2019},{"parameter":"radius","value":1.526,"value_text":null,"unit":"R_sun","err_plus":0.067,"err_minus":0.064,"band":null,"method":null,"source":"nasa-exo","reference":"Berger et al. 2018","ref_year":2018},{"parameter":"radius","value":1.509,"value_text":null,"unit":"R_sun","err_plus":0.04,"err_minus":0.039,"band":null,"method":null,"source":"nasa-exo","reference":"Fulton &amp; Petigura 2018","ref_year":2018},{"parameter":"radius","value":1.55,"value_text":null,"unit":"R_sun","err_plus":0.051,"err_minus":0.031,"band":null,"method":null,"source":"nasa-exo","reference":"Morton et al. 2016","ref_year":2016},{"parameter":"radius","value":1.48,"value_text":null,"unit":"R_sun","err_plus":0.33,"err_minus":0.13,"band":null,"method":null,"source":"nasa-exo","reference":"Southworth 2011","ref_year":2011},{"parameter":"radius","value":1.487,"value_text":null,"unit":"R_sun","err_plus":0.071,"err_minus":0.084,"band":null,"method":null,"source":"nasa-exo","reference":"Borucki et al. 2010","ref_year":2010},{"parameter":"radius","value":1.533,"value_text":null,"unit":"R_sun","err_plus":0.04,"err_minus":0.04,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2009},{"parameter":"radius","value":1.27,"value_text":null,"unit":"R_sun","err_plus":0.17,"err_minus":0.17,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q8 KOI Table","ref_year":2009},{"parameter":"radius","value":1.533,"value_text":null,"unit":"R_sun","err_plus":0.04,"err_minus":0.04,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2009},{"parameter":"radius","value":1.545,"value_text":null,"unit":"R_sun","err_plus":0.097,"err_minus":0.087,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2009},{"parameter":"radius","value":1.59521,"value_text":null,"unit":"R_sun","err_plus":0.068191,"err_minus":0.068191,"band":null,"method":null,"source":"nasa-exo","reference":"ExoFOP","ref_year":2009},{"parameter":"radius","value":1.533,"value_text":null,"unit":"R_sun","err_plus":0.04,"err_minus":0.04,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2009}],"orbit":null,"exoplanet":null,"sources":[]}