{"id":5345,"slug":"hd-191939-g","name":"HD 191939 g","domain":"exoplanet","class":"exoplanet","otype":"Pl?","otype_label":"Planet Candidate","ra":302.0256247,"dec":66.8503014,"coo_err_mas":0.0123,"coo_bibcode":"2020yCat.1350....0G","plx_mas":18.6967,"pmra":150.194,"pmdec":-63.988,"rv_kms":null,"redshift":null,"dist_pc":53.6089,"vmag":8.97,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":6,"simbad_oid":21416374,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"HD 191939 g","host_object_id":1638921,"depth":0,"deep_at":null,"views":2,"first_seen":"2026-08-14T16:25:51.971135+00:00","updated_at":"2026-10-18T03:30:41.791363+00:00","identifiers":["HD 191939g"],"measurements":[{"parameter":"eccentricity","value":0.03,"value_text":null,"unit":null,"err_plus":0.025,"err_minus":0.011,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Orell-Miquel et al. 2023","ref_year":2023},{"parameter":"equilibrium_temperature","value":278.0,"value_text":null,"unit":"K","err_plus":6.0,"err_minus":6.0,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Orell-Miquel et al. 2023","ref_year":2023},{"parameter":"mass","value":6.88,"value_text":null,"unit":"M_earth","err_plus":2.5,"err_minus":2.5,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Lubin et al. 2024","ref_year":2024},{"parameter":"mass","value":13.5,"value_text":null,"unit":"M_earth","err_plus":2.0,"err_minus":2.0,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Orell-Miquel et al. 2023","ref_year":2023},{"parameter":"orbital_period","value":288.6,"value_text":null,"unit":"d","err_plus":7.1,"err_minus":7.1,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Lubin et al. 2024","ref_year":2024},{"parameter":"orbital_period","value":284.0,"value_text":null,"unit":"d","err_plus":10.0,"err_minus":8.0,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Orell-Miquel et al. 2023","ref_year":2023},{"parameter":"semi_major_axis","value":0.8,"value_text":null,"unit":"au","err_plus":0.016,"err_minus":0.016,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Lubin et al. 2024","ref_year":2024},{"parameter":"semi_major_axis","value":0.812,"value_text":null,"unit":"au","err_plus":0.028,"err_minus":0.028,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Orell-Miquel et al. 2023","ref_year":2023}],"orbit":null,"exoplanet":{"object_id":5345,"pl_name":"HD 191939 g","hostname":"HD 191939","sy_pnum":6,"disc_method":"Radial Velocity","disc_year":2022,"disc_facility":"Multiple Observatories","orbper_d":284.0,"orbsmax_au":0.812,"rade":3.74,"radj":0.334,"masse":13.5,"massj":0.04247575,"dens_gcm3":1.42,"eccen":0.03,"insol":0.99,"eqt_k":278.0,"st_teff":5348.0,"st_rad":0.94,"st_mass":0.81,"st_spectype":"G9 V","sy_dist_pc":53.6089,"updated_at":"2026-10-18T03:30:41.791363+00:00"},"sources":[]}