{"id":8376,"slug":"hats-31-b","name":"HATS-31 b","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":191.7028214,"dec":-24.4273897,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":773.974,"vmag":13.315,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":15,"simbad_oid":11222881,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"HATS-31 b","host_object_id":3242269,"depth":0,"deep_at":null,"views":1,"first_seen":"2026-08-14T16:25:51.971135+00:00","updated_at":"2026-10-18T03:30:41.791363+00:00","identifiers":["HATS-31b"],"measurements":[{"parameter":"eccentricity","value":0.233,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"de Val-Borro et al. 2016","ref_year":2016},{"parameter":"equilibrium_temperature","value":1617.93,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"ExoFOP","ref_year":2016},{"parameter":"equilibrium_temperature","value":1823.0,"value_text":null,"unit":"K","err_plus":81.0,"err_minus":81.0,"band":null,"method":"Transit","source":"nasa-exo","reference":"de Val-Borro et al. 2016","ref_year":2016},{"parameter":"mass","value":279.6904,"value_text":null,"unit":"M_earth","err_plus":38.1396,"err_minus":38.1396,"band":null,"method":"Transit","source":"nasa-exo","reference":"de Val-Borro et al. 2016","ref_year":2016},{"parameter":"orbital_period","value":3.3779344,"value_text":null,"unit":"d","err_plus":2.8e-06,"err_minus":2.8e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Kokori et al. 2023","ref_year":2023},{"parameter":"orbital_period","value":3.37796143336,"value_text":null,"unit":"d","err_plus":0.00047814465,"err_minus":0.00047814465,"band":null,"method":"Transit","source":"nasa-exo","reference":"ExoFOP","ref_year":2016},{"parameter":"orbital_period","value":3.37796,"value_text":null,"unit":"d","err_plus":1.2e-05,"err_minus":1.2e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"de Val-Borro et al. 2016","ref_year":2016},{"parameter":"radius","value":18.38276,"value_text":null,"unit":"R_earth","err_plus":2.46598,"err_minus":2.46598,"band":null,"method":"Transit","source":"nasa-exo","reference":"de Val-Borro et al. 2016","ref_year":2016},{"parameter":"radius","value":14.33267511,"value_text":null,"unit":"R_earth","err_plus":0.9640704,"err_minus":0.9640704,"band":null,"method":"Transit","source":"nasa-exo","reference":"ExoFOP","ref_year":2016},{"parameter":"semi_major_axis","value":0.0478,"value_text":null,"unit":"au","err_plus":0.0012,"err_minus":0.0012,"band":null,"method":"Transit","source":"nasa-exo","reference":"de Val-Borro et al. 2016","ref_year":2016}],"orbit":null,"exoplanet":{"object_id":8376,"pl_name":"HATS-31 b","hostname":"HATS-31","sy_pnum":1,"disc_method":"Transit","disc_year":2016,"disc_facility":"HATSouth","orbper_d":3.37796,"orbsmax_au":0.0478,"rade":18.38276,"radj":1.64,"masse":279.6904,"massj":0.88,"dens_gcm3":0.243,"eccen":0.233,"insol":1619.406,"eqt_k":1823.0,"st_teff":6050.0,"st_rad":1.87,"st_mass":1.275,"st_spectype":null,"sy_dist_pc":773.974,"updated_at":"2026-10-18T03:30:41.791363+00:00"},"sources":[]}