{"id":4840,"slug":"hd-145457-b","name":"HD 145457 b","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":242.5162215,"dec":26.7429068,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":135.292,"vmag":6.57226,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":12,"simbad_oid":5348370,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"HD 145457 b","host_object_id":2193438,"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":["HD 145457b"],"measurements":[{"parameter":"eccentricity","value":0.111,"value_text":null,"unit":null,"err_plus":0.039,"err_minus":0.04,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Teng et al. 2023","ref_year":2023},{"parameter":"eccentricity","value":0.11,"value_text":null,"unit":null,"err_plus":0.04,"err_minus":0.04,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Stassun et al. 2017","ref_year":2017},{"parameter":"eccentricity","value":0.112,"value_text":null,"unit":null,"err_plus":0.035,"err_minus":0.035,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Sato et al. 2010","ref_year":2010},{"parameter":"mass","value":888.01256916,"value_text":null,"unit":"M_earth","err_plus":41.95334972,"err_minus":37.18592362,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Teng et al. 2023","ref_year":2023},{"parameter":"mass","value":708.7609,"value_text":null,"unit":"M_earth","err_plus":133.4886,"err_minus":133.4886,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Stassun et al. 2017","ref_year":2017},{"parameter":"mass","value":600.7,"value_text":null,"unit":"M_earth","err_plus":158.9,"err_minus":31.8,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Kunitomo et al. 2011","ref_year":2011},{"parameter":"mass","value":921.668,"value_text":null,"unit":"M_earth","err_plus":null,"err_minus":null,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Sato et al. 2010","ref_year":2010},{"parameter":"orbital_period","value":176.13,"value_text":null,"unit":"d","err_plus":0.18,"err_minus":0.2,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Teng et al. 2023","ref_year":2023},{"parameter":"orbital_period","value":176.3,"value_text":null,"unit":"d","err_plus":0.39,"err_minus":0.39,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Stassun et al. 2017","ref_year":2017},{"parameter":"orbital_period","value":176.3,"value_text":null,"unit":"d","err_plus":0.39,"err_minus":0.39,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Sato et al. 2010","ref_year":2010},{"parameter":"semi_major_axis","value":0.762,"value_text":null,"unit":"au","err_plus":0.001,"err_minus":0.001,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Teng et al. 2023","ref_year":2023},{"parameter":"semi_major_axis","value":0.76,"value_text":null,"unit":"au","err_plus":0.04,"err_minus":0.04,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Stassun et al. 2017","ref_year":2017},{"parameter":"semi_major_axis","value":0.61,"value_text":null,"unit":"au","err_plus":0.08,"err_minus":0.02,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Kunitomo et al. 2011","ref_year":2011},{"parameter":"semi_major_axis","value":0.76,"value_text":null,"unit":"au","err_plus":null,"err_minus":null,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Sato et al. 2010","ref_year":2010}],"orbit":null,"exoplanet":{"object_id":4840,"pl_name":"HD 145457 b","hostname":"HD 145457","sy_pnum":1,"disc_method":"Radial Velocity","disc_year":2010,"disc_facility":"Subaru Telescope","orbper_d":176.13,"orbsmax_au":0.762,"rade":13.2,"radj":1.18,"masse":888.01256916,"massj":2.794,"dens_gcm3":2.12,"eccen":0.111,"insol":77.8446,"eqt_k":826.81,"st_teff":4757.0,"st_rad":9.9,"st_mass":1.9,"st_spectype":"K0","sy_dist_pc":135.292,"updated_at":"2026-09-13T03:31:17.289698+00:00"},"sources":[]}