{"id":2756,"slug":"kepler-1521-b","name":"Kepler-1521 b","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":292.6903779,"dec":37.8350549,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":206.983,"vmag":13.049,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":22,"simbad_oid":10118788,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"Kepler-1521 b","host_object_id":2799754,"depth":0,"deep_at":null,"views":2,"first_seen":"2026-08-14T16:25:51.971135+00:00","updated_at":"2026-09-13T03:31:17.289698+00:00","identifiers":["Kepler-1521b"],"measurements":[{"parameter":"eccentricity","value":0.0,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2016},{"parameter":"eccentricity","value":0.0,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2016},{"parameter":"eccentricity","value":0.0,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2016},{"parameter":"eccentricity","value":0.0,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2016},{"parameter":"equilibrium_temperature","value":616.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2016},{"parameter":"equilibrium_temperature","value":391.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2016},{"parameter":"equilibrium_temperature","value":616.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2016},{"parameter":"equilibrium_temperature","value":616.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2016},{"parameter":"orbital_period","value":47.1484847611,"value_text":null,"unit":"d","err_plus":2.87495e-05,"err_minus":2.87495e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Gajdoš et al. 2019","ref_year":2019},{"parameter":"orbital_period","value":47.14840805,"value_text":null,"unit":"d","err_plus":7.919e-05,"err_minus":7.919e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Fulton & Petigura 2018","ref_year":2018},{"parameter":"orbital_period","value":47.1484324,"value_text":null,"unit":"d","err_plus":8.172e-05,"err_minus":8.172e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2016},{"parameter":"orbital_period","value":47.1484324,"value_text":null,"unit":"d","err_plus":8.172e-05,"err_minus":8.172e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 Supplemental KOI Table","ref_year":2016},{"parameter":"orbital_period","value":47.14840805,"value_text":null,"unit":"d","err_plus":7.919e-05,"err_minus":7.919e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2016},{"parameter":"orbital_period","value":47.14840805,"value_text":null,"unit":"d","err_plus":7.919e-05,"err_minus":7.919e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2016},{"parameter":"orbital_period","value":47.14845936,"value_text":null,"unit":"d","err_plus":1.05e-06,"err_minus":1.05e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Holczer et al. 2016","ref_year":2016},{"parameter":"orbital_period","value":47.14840805,"value_text":null,"unit":"d","err_plus":7.919e-05,"err_minus":7.919e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2016},{"parameter":"orbital_period","value":47.14840805,"value_text":null,"unit":"d","err_plus":7.919e-05,"err_minus":7.919e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Morton et al. 2016","ref_year":2016},{"parameter":"radius","value":2.45,"value_text":null,"unit":"R_earth","err_plus":0.363,"err_minus":0.193,"band":null,"method":"Transit","source":"nasa-exo","reference":"Berger et al. 2018","ref_year":2018},{"parameter":"radius","value":2.302,"value_text":null,"unit":"R_earth","err_plus":0.083,"err_minus":0.083,"band":null,"method":"Transit","source":"nasa-exo","reference":"Fulton & Petigura 2018","ref_year":2018},{"parameter":"radius","value":2.58,"value_text":null,"unit":"R_earth","err_plus":0.14,"err_minus":0.13,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2016},{"parameter":"radius","value":2.5,"value_text":null,"unit":"R_earth","err_plus":0.09,"err_minus":0.1,"band":null,"method":"Transit","source":"nasa-exo","reference":"Morton et al. 2016","ref_year":2016},{"parameter":"radius","value":6.46,"value_text":null,"unit":"R_earth","err_plus":4.55,"err_minus":3.66,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2016},{"parameter":"radius","value":6.46,"value_text":null,"unit":"R_earth","err_plus":4.55,"err_minus":3.66,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2016},{"parameter":"radius","value":6.46,"value_text":null,"unit":"R_earth","err_plus":4.55,"err_minus":3.66,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2016},{"parameter":"semi_major_axis","value":0.23476,"value_text":null,"unit":"au","err_plus":0.00107,"err_minus":0.00107,"band":null,"method":"Transit","source":"nasa-exo","reference":"Fulton & Petigura 2018","ref_year":2018},{"parameter":"semi_major_axis","value":0.2317,"value_text":null,"unit":"au","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2016},{"parameter":"semi_major_axis","value":0.2579,"value_text":null,"unit":"au","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2016},{"parameter":"semi_major_axis","value":0.2579,"value_text":null,"unit":"au","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2016},{"parameter":"semi_major_axis","value":0.2579,"value_text":null,"unit":"au","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2016}],"orbit":null,"exoplanet":{"object_id":2756,"pl_name":"Kepler-1521 b","hostname":"Kepler-1521","sy_pnum":1,"disc_method":"Transit","disc_year":2016,"disc_facility":"Kepler","orbper_d":47.14840805,"orbsmax_au":0.23476,"rade":2.5,"radj":0.22303506,"masse":6.8,"massj":0.0214,"dens_gcm3":2.39,"eccen":0.0,"insol":5.122,"eqt_k":391.0,"st_teff":5042.0,"st_rad":0.76,"st_mass":0.81,"st_spectype":null,"sy_dist_pc":206.983,"updated_at":"2026-09-13T03:31:17.289698+00:00"},"sources":[]}