{"id":10832,"slug":"toi-421","name":"TOI-421","domain":"deep-sky","class":"star","otype":null,"otype_label":"Star","ra":81.8532824,"dec":-14.2767404,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":74.7969,"vmag":null,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":"G9 V","morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":0,"simbad_oid":null,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":0,"deep_at":null,"views":2,"first_seen":"2026-08-14T16:25:51.971135+00:00","updated_at":"2026-08-14T16:25:51.971135+00:00","identifiers":[],"measurements":[{"parameter":"effective_temperature","value":5291.0,"value_text":null,"unit":"K","err_plus":64.0,"err_minus":64.0,"band":null,"method":null,"source":"nasa-exo","reference":"Krenn et al. 2024","ref_year":2024},{"parameter":"effective_temperature","value":5718.0,"value_text":null,"unit":"K","err_plus":189.0,"err_minus":189.0,"band":null,"method":null,"source":"nasa-exo","reference":"ExoFOP","ref_year":2020},{"parameter":"effective_temperature","value":5325.0,"value_text":null,"unit":"K","err_plus":78.0,"err_minus":58.0,"band":null,"method":null,"source":"nasa-exo","reference":"Carleo et al. 2020","ref_year":2020},{"parameter":"mass","value":0.833,"value_text":null,"unit":"M_sun","err_plus":0.048,"err_minus":0.054,"band":null,"method":null,"source":"nasa-exo","reference":"Krenn et al. 2024","ref_year":2024},{"parameter":"mass","value":0.852,"value_text":null,"unit":"M_sun","err_plus":0.029,"err_minus":0.021,"band":null,"method":null,"source":"nasa-exo","reference":"Carleo et al. 2020","ref_year":2020},{"parameter":"radius","value":0.866,"value_text":null,"unit":"R_sun","err_plus":0.006,"err_minus":0.006,"band":null,"method":null,"source":"nasa-exo","reference":"Krenn et al. 2024","ref_year":2024},{"parameter":"radius","value":0.860124,"value_text":null,"unit":"R_sun","err_plus":0.049497,"err_minus":0.049497,"band":null,"method":null,"source":"nasa-exo","reference":"ExoFOP","ref_year":2020},{"parameter":"radius","value":0.871,"value_text":null,"unit":"R_sun","err_plus":0.012,"err_minus":0.012,"band":null,"method":null,"source":"nasa-exo","reference":"Carleo et al. 2020","ref_year":2020}],"orbit":null,"exoplanet":null,"sources":[]}