{"id":5645953,"slug":"hd-278555-b","name":"HD 278555 b","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":50.3680468,"dec":32.913811,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":289.829,"vmag":11.046,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":0,"simbad_oid":null,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"HD 278555 b","host_object_id":5645952,"depth":0,"deep_at":null,"views":1,"first_seen":"2026-09-13T03:31:17.289698+00:00","updated_at":"2026-10-18T03:30:41.791363+00:00","identifiers":[],"measurements":[{"parameter":"eccentricity","value":0.085,"value_text":null,"unit":null,"err_plus":0.047,"err_minus":0.049,"band":null,"method":"Transit","source":"nasa-exo","reference":"Ball et al. 2026","ref_year":2026},{"parameter":"equilibrium_temperature","value":853.0,"value_text":null,"unit":"K","err_plus":16.0,"err_minus":16.0,"band":null,"method":"Transit","source":"nasa-exo","reference":"Ball et al. 2026","ref_year":2026},{"parameter":"mass","value":266.97586188,"value_text":null,"unit":"M_earth","err_plus":31.7828407,"err_minus":31.7828407,"band":null,"method":"Transit","source":"nasa-exo","reference":"Ball et al. 2026","ref_year":2026},{"parameter":"orbital_period","value":28.842438,"value_text":null,"unit":"d","err_plus":4.5e-05,"err_minus":4.6e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Ball et al. 2026","ref_year":2026},{"parameter":"radius","value":11.02963701,"value_text":null,"unit":"R_earth","err_plus":0.40352331,"err_minus":0.39231432,"band":null,"method":"Transit","source":"nasa-exo","reference":"Ball et al. 2026","ref_year":2026},{"parameter":"semi_major_axis","value":0.1985,"value_text":null,"unit":"au","err_plus":0.0039,"err_minus":0.004,"band":null,"method":"Transit","source":"nasa-exo","reference":"Ball et al. 2026","ref_year":2026}],"orbit":null,"exoplanet":{"object_id":5645953,"pl_name":"HD 278555 b","hostname":"HD 278555","sy_pnum":1,"disc_method":"Transit","disc_year":2026,"disc_facility":"Transiting Exoplanet Survey Satellite (TESS)","orbper_d":28.842438,"orbsmax_au":0.1985,"rade":11.02963701,"radj":0.984,"masse":266.97586188,"massj":0.84,"dens_gcm3":1.09,"eccen":0.085,"insol":79.4371,"eqt_k":853.0,"st_teff":6047.0,"st_rad":1.624,"st_mass":1.255,"st_spectype":"F8","sy_dist_pc":289.829,"updated_at":"2026-10-18T03:30:41.791363+00:00"},"sources":[]}