{"id":9049,"slug":"hat-p-28-b","name":"HAT-P-28 b","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":13.0009159,"dec":34.728402,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":401.319,"vmag":13.098,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":30,"simbad_oid":5548912,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"HAT-P-28 b","host_object_id":2635003,"depth":0,"deep_at":null,"views":4,"first_seen":"2026-08-14T16:25:51.971135+00:00","updated_at":"2026-10-04T05:08:08.462019+00:00","identifiers":["HAT-P-28b"],"measurements":[{"parameter":"eccentricity","value":0.05,"value_text":null,"unit":null,"err_plus":0.03,"err_minus":0.03,"band":null,"method":"Transit","source":"nasa-exo","reference":"Kokori et al. 2023","ref_year":2023},{"parameter":"eccentricity","value":0.039,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Bonomo et al. 2017","ref_year":2017},{"parameter":"eccentricity","value":0.051,"value_text":null,"unit":null,"err_plus":0.033,"err_minus":0.033,"band":null,"method":"Transit","source":"nasa-exo","reference":"Buchhave et al. 2011","ref_year":2011},{"parameter":"equilibrium_temperature","value":1237.76,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"ExoFOP","ref_year":2011},{"parameter":"equilibrium_temperature","value":1384.0,"value_text":null,"unit":"K","err_plus":52.0,"err_minus":52.0,"band":null,"method":"Transit","source":"nasa-exo","reference":"Buchhave et al. 2011","ref_year":2011},{"parameter":"mass","value":202.45771,"value_text":null,"unit":"M_earth","err_plus":11.75971,"err_minus":11.75971,"band":null,"method":"Transit","source":"nasa-exo","reference":"Bonomo et al. 2017","ref_year":2017},{"parameter":"mass","value":198.953,"value_text":null,"unit":"M_earth","err_plus":11.759,"err_minus":11.759,"band":null,"method":"Transit","source":"nasa-exo","reference":"Buchhave et al. 2011","ref_year":2011},{"parameter":"orbital_period","value":3.25721296,"value_text":null,"unit":"d","err_plus":8e-07,"err_minus":8e-07,"band":null,"method":"Transit","source":"nasa-exo","reference":"Kokori et al. 2023","ref_year":2023},{"parameter":"orbital_period","value":3.2572129,"value_text":null,"unit":"d","err_plus":6e-07,"err_minus":6e-07,"band":null,"method":"Transit","source":"nasa-exo","reference":"Kokori et al. 2022","ref_year":2022},{"parameter":"orbital_period","value":3.257215,"value_text":null,"unit":"d","err_plus":7e-06,"err_minus":7e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Bonomo et al. 2017","ref_year":2017},{"parameter":"orbital_period","value":3.25738980165,"value_text":null,"unit":"d","err_plus":0.00014826475,"err_minus":0.00014826475,"band":null,"method":"Transit","source":"nasa-exo","reference":"ExoFOP","ref_year":2011},{"parameter":"orbital_period","value":3.257215,"value_text":null,"unit":"d","err_plus":7e-06,"err_minus":7e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Buchhave et al. 2011","ref_year":2011},{"parameter":"radius","value":13.585308,"value_text":null,"unit":"R_earth","err_plus":1.23299,"err_minus":0.919138,"band":null,"method":"Transit","source":"nasa-exo","reference":"Bonomo et al. 2017","ref_year":2017},{"parameter":"radius","value":13.585,"value_text":null,"unit":"R_earth","err_plus":1.267,"err_minus":0.919,"band":null,"method":"Transit","source":"nasa-exo","reference":"Buchhave et al. 2011","ref_year":2011},{"parameter":"radius","value":12.35693611,"value_text":null,"unit":"R_earth","err_plus":0.6672009,"err_minus":0.6672009,"band":null,"method":"Transit","source":"nasa-exo","reference":"ExoFOP","ref_year":2011},{"parameter":"semi_major_axis","value":0.04337,"value_text":null,"unit":"au","err_plus":0.00066,"err_minus":0.0007,"band":null,"method":"Transit","source":"nasa-exo","reference":"Bonomo et al. 2017","ref_year":2017},{"parameter":"semi_major_axis","value":0.0434,"value_text":null,"unit":"au","err_plus":0.0007,"err_minus":0.0007,"band":null,"method":"Transit","source":"nasa-exo","reference":"Buchhave et al. 2011","ref_year":2011}],"orbit":null,"exoplanet":{"object_id":9049,"pl_name":"HAT-P-28 b","hostname":"HAT-P-28","sy_pnum":1,"disc_method":"Transit","disc_year":2011,"disc_facility":"HATNet","orbper_d":3.257215,"orbsmax_au":0.0434,"rade":13.585,"radj":1.212,"masse":198.953,"massj":0.626,"dens_gcm3":0.44,"eccen":0.051,"insol":554.7122,"eqt_k":1384.0,"st_teff":5680.0,"st_rad":1.103,"st_mass":1.025,"st_spectype":"G3","sy_dist_pc":401.319,"updated_at":"2026-10-04T05:08:08.462019+00:00"},"sources":[]}