{"id":2982816,"slug":"hat-p-54-9262238","name":"HAT-P-54","domain":"deep-sky","class":"star","otype":"*","otype_label":"Star","ra":99.89799248929,"dec":25.482543475040003,"coo_err_mas":0.0147,"coo_bibcode":"2020yCat.1350....0G","plx_mas":6.9701,"pmra":-0.028,"pmdec":-33.194,"rv_kms":28.65,"redshift":9.557068e-05,"dist_pc":null,"vmag":13.505,"bmag":14.832,"gmag":13.004828,"jmag":11.145,"kmag":10.326,"sp_type":"K7","morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":32,"simbad_oid":9262238,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":0,"deep_at":null,"views":1,"first_seen":"2026-08-14T16:52:49.142566+00:00","updated_at":"2026-08-14T16:52:49.142566+00:00","identifiers":["HAT-P-54"],"measurements":[{"parameter":"effective_temperature","value":4390.0,"value_text":null,"unit":"K","err_plus":50.0,"err_minus":50.0,"band":null,"method":null,"source":"nasa-exo","reference":"Bonomo et al. 2017","ref_year":2017},{"parameter":"effective_temperature","value":4441.0,"value_text":null,"unit":"K","err_plus":143.0,"err_minus":143.0,"band":null,"method":null,"source":"nasa-exo","reference":"Crossfield et al. 2016","ref_year":2016},{"parameter":"effective_temperature","value":4171.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"nasa-exo","reference":"Vanderburg et al. 2016","ref_year":2016},{"parameter":"effective_temperature","value":4390.0,"value_text":null,"unit":"K","err_plus":50.0,"err_minus":50.0,"band":null,"method":null,"source":"nasa-exo","reference":"Bakos et al. 2015","ref_year":2015},{"parameter":"effective_temperature","value":4133.4,"value_text":null,"unit":"K","err_plus":108.67,"err_minus":108.67,"band":null,"method":null,"source":"nasa-exo","reference":"ExoFOP","ref_year":2015},{"parameter":"mass","value":0.645,"value_text":null,"unit":"M_sun","err_plus":0.02,"err_minus":0.02,"band":null,"method":null,"source":"nasa-exo","reference":"Bonomo et al. 2017","ref_year":2017},{"parameter":"mass","value":0.645,"value_text":null,"unit":"M_sun","err_plus":0.02,"err_minus":0.02,"band":null,"method":null,"source":"nasa-exo","reference":"Bakos et al. 2015","ref_year":2015},{"parameter":"radius","value":0.693,"value_text":null,"unit":"R_sun","err_plus":0.048,"err_minus":0.054,"band":null,"method":null,"source":"nasa-exo","reference":"Kruse et al. 2019","ref_year":2019},{"parameter":"radius","value":0.617,"value_text":null,"unit":"R_sun","err_plus":0.013,"err_minus":0.013,"band":null,"method":null,"source":"nasa-exo","reference":"Bonomo et al. 2017","ref_year":2017},{"parameter":"radius","value":0.64,"value_text":null,"unit":"R_sun","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"nasa-exo","reference":"Vanderburg et al. 2016","ref_year":2016},{"parameter":"radius","value":0.68,"value_text":null,"unit":"R_sun","err_plus":0.03,"err_minus":0.03,"band":null,"method":null,"source":"nasa-exo","reference":"Crossfield et al. 2016","ref_year":2016},{"parameter":"radius","value":0.759375,"value_text":null,"unit":"R_sun","err_plus":0.064372,"err_minus":0.064372,"band":null,"method":null,"source":"nasa-exo","reference":"ExoFOP","ref_year":2015},{"parameter":"radius","value":0.617,"value_text":null,"unit":"R_sun","err_plus":0.013,"err_minus":0.013,"band":null,"method":null,"source":"nasa-exo","reference":"Bakos et al. 2015","ref_year":2015}],"orbit":null,"exoplanet":null,"sources":[]}