{"id":2922378,"slug":"kepler-1840-8993780","name":"Kepler-1840","domain":"deep-sky","class":"star","otype":"*","otype_label":"Star","ra":298.59481759132996,"dec":41.43594328944,"coo_err_mas":0.0161,"coo_bibcode":"2020yCat.1350....0G","plx_mas":1.9392,"pmra":10.913,"pmdec":4.87,"rv_kms":-37.5036,"redshift":-0.00012509072,"dist_pc":null,"vmag":null,"bmag":null,"gmag":15.044563,"jmag":13.48,"kmag":null,"sp_type":"K2","morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":43,"simbad_oid":8993780,"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":"2026-08-14T16:52:44.329810+00:00","updated_at":"2026-08-14T16:52:44.329810+00:00","identifiers":["Kepler-1840"],"measurements":[{"parameter":"effective_temperature","value":4898.0,"value_text":null,"unit":"K","err_plus":78.0,"err_minus":88.0,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2022},{"parameter":"effective_temperature","value":4696.0,"value_text":null,"unit":"K","err_plus":176.0,"err_minus":160.0,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2021},{"parameter":"effective_temperature","value":4835.0,"value_text":null,"unit":"K","err_plus":71.0,"err_minus":71.0,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q8 KOI Table","ref_year":2021},{"parameter":"effective_temperature","value":4696.0,"value_text":null,"unit":"K","err_plus":176.0,"err_minus":160.0,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2021},{"parameter":"effective_temperature","value":4696.0,"value_text":null,"unit":"K","err_plus":176.0,"err_minus":160.0,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2021},{"parameter":"effective_temperature","value":4838.0,"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":4679.82,"value_text":null,"unit":"K","err_plus":124.45,"err_minus":124.45,"band":null,"method":null,"source":"nasa-exo","reference":"TICv8","ref_year":2016},{"parameter":"mass","value":0.774,"value_text":null,"unit":"M_sun","err_plus":0.048,"err_minus":0.028,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2022},{"parameter":"mass","value":0.704,"value_text":null,"unit":"M_sun","err_plus":0.061,"err_minus":0.083,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2021},{"parameter":"mass","value":0.696,"value_text":null,"unit":"M_sun","err_plus":0.019,"err_minus":0.019,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q8 KOI Table","ref_year":2021},{"parameter":"mass","value":0.704,"value_text":null,"unit":"M_sun","err_plus":0.061,"err_minus":0.083,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2021},{"parameter":"mass","value":0.704,"value_text":null,"unit":"M_sun","err_plus":0.061,"err_minus":0.083,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2021},{"parameter":"mass","value":0.763,"value_text":null,"unit":"M_sun","err_plus":0.026,"err_minus":0.025,"band":null,"method":null,"source":"nasa-exo","reference":"Fulton &amp; Petigura 2018","ref_year":2018},{"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":2016},{"parameter":"radius","value":0.803,"value_text":null,"unit":"R_sun","err_plus":0.028,"err_minus":0.06,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2022},{"parameter":"radius","value":0.644,"value_text":null,"unit":"R_sun","err_plus":0.079,"err_minus":0.052,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2021},{"parameter":"radius","value":0.644,"value_text":null,"unit":"R_sun","err_plus":0.079,"err_minus":0.052,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2021},{"parameter":"radius","value":0.68,"value_text":null,"unit":"R_sun","err_plus":0.019,"err_minus":0.019,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q8 KOI Table","ref_year":2021},{"parameter":"radius","value":0.644,"value_text":null,"unit":"R_sun","err_plus":0.079,"err_minus":0.052,"band":null,"method":null,"source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2021},{"parameter":"radius","value":0.738,"value_text":null,"unit":"R_sun","err_plus":0.022,"err_minus":0.021,"band":null,"method":null,"source":"nasa-exo","reference":"Fulton &amp; Petigura 2018","ref_year":2018},{"parameter":"radius","value":0.77386,"value_text":null,"unit":"R_sun","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"nasa-exo","reference":"TICv8","ref_year":2016}],"orbit":null,"exoplanet":null,"sources":[]}