{"id":83,"slug":"hd-191939-c","name":"HD 191939 c","domain":"exoplanet","class":"exoplanet","otype":"Pl","otype_label":"Planet","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":27,"simbad_oid":15607077,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"HD 191939 c","host_object_id":1638921,"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":["HD 191939c"],"measurements":[{"parameter":"eccentricity","value":0.0,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Polanski et al. 2024","ref_year":2024},{"parameter":"eccentricity","value":0.034,"value_text":null,"unit":null,"err_plus":0.034,"err_minus":0.013,"band":null,"method":"Transit","source":"nasa-exo","reference":"Orell-Miquel et al. 2023","ref_year":2023},{"parameter":"eccentricity","value":0.0,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Lubin et al. 2022","ref_year":2022},{"parameter":"equilibrium_temperature","value":554.51,"value_text":null,"unit":"K","err_plus":9.09,"err_minus":8.65,"band":null,"method":"Transit","source":"nasa-exo","reference":"Polanski et al. 2024","ref_year":2024},{"parameter":"equilibrium_temperature","value":600.0,"value_text":null,"unit":"K","err_plus":13.0,"err_minus":13.0,"band":null,"method":"Transit","source":"nasa-exo","reference":"Orell-Miquel et al. 2023","ref_year":2023},{"parameter":"equilibrium_temperature","value":605.0,"value_text":null,"unit":"K","err_plus":24.0,"err_minus":24.0,"band":null,"method":"Transit","source":"nasa-exo","reference":"Lubin et al. 2022","ref_year":2022},{"parameter":"equilibrium_temperature","value":545.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"ExoFOP","ref_year":2020},{"parameter":"equilibrium_temperature","value":552.0,"value_text":null,"unit":"K","err_plus":13.0,"err_minus":11.0,"band":null,"method":"Transit","source":"nasa-exo","reference":"Badenas-Agusti et al. 2020","ref_year":2020},{"parameter":"mass","value":7.55,"value_text":null,"unit":"M_earth","err_plus":1.05,"err_minus":1.05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Lubin et al. 2024","ref_year":2024},{"parameter":"mass","value":6.1,"value_text":null,"unit":"M_earth","err_plus":1.3,"err_minus":1.3,"band":null,"method":"Transit","source":"nasa-exo","reference":"Polanski et al. 2024","ref_year":2024},{"parameter":"mass","value":8.0,"value_text":null,"unit":"M_earth","err_plus":1.0,"err_minus":1.0,"band":null,"method":"Transit","source":"nasa-exo","reference":"Orell-Miquel et al. 2023","ref_year":2023},{"parameter":"mass","value":7.2,"value_text":null,"unit":"M_earth","err_plus":1.4,"err_minus":1.4,"band":null,"method":"Transit","source":"nasa-exo","reference":"Lubin et al. 2022","ref_year":2022},{"parameter":"orbital_period","value":28.5805,"value_text":null,"unit":"d","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Lubin et al. 2024","ref_year":2024},{"parameter":"orbital_period","value":28.579889,"value_text":null,"unit":"d","err_plus":3.4e-05,"err_minus":3.4e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Polanski et al. 2024","ref_year":2024},{"parameter":"orbital_period","value":28.579743,"value_text":null,"unit":"d","err_plus":4.5e-05,"err_minus":4.5e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Orell-Miquel et al. 2023","ref_year":2023},{"parameter":"orbital_period","value":28.57968,"value_text":null,"unit":"d","err_plus":0.00016,"err_minus":0.00016,"band":null,"method":"Transit","source":"nasa-exo","reference":"Kokori et al. 2023","ref_year":2023},{"parameter":"orbital_period","value":28.5805,"value_text":null,"unit":"d","err_plus":0.0002,"err_minus":0.0002,"band":null,"method":"Transit","source":"nasa-exo","reference":"Lubin et al. 2022","ref_year":2022},{"parameter":"orbital_period","value":28.58,"value_text":null,"unit":"d","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Giacalone et al. 2021","ref_year":2021},{"parameter":"orbital_period","value":28.580474,"value_text":null,"unit":"d","err_plus":3.86e-05,"err_minus":3.86e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"ExoFOP","ref_year":2020},{"parameter":"orbital_period","value":28.58059,"value_text":null,"unit":"d","err_plus":0.00045,"err_minus":0.00045,"band":null,"method":"Transit","source":"nasa-exo","reference":"Badenas-Agusti et al. 2020","ref_year":2020},{"parameter":"radius","value":3.1823776,"value_text":null,"unit":"R_earth","err_plus":0.09706849,"err_minus":0.08690158,"band":null,"method":"Transit","source":"nasa-exo","reference":"Polanski et al. 2024","ref_year":2024},{"parameter":"radius","value":3.195,"value_text":null,"unit":"R_earth","err_plus":0.075,"err_minus":0.075,"band":null,"method":"Transit","source":"nasa-exo","reference":"Orell-Miquel et al. 2023","ref_year":2023},{"parameter":"radius","value":3.08,"value_text":null,"unit":"R_earth","err_plus":0.07,"err_minus":0.07,"band":null,"method":"Transit","source":"nasa-exo","reference":"Lubin et al. 2022","ref_year":2022},{"parameter":"radius","value":3.15,"value_text":null,"unit":"R_earth","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Giacalone et al. 2021","ref_year":2021},{"parameter":"radius","value":3.23,"value_text":null,"unit":"R_earth","err_plus":0.11,"err_minus":0.11,"band":null,"method":"Transit","source":"nasa-exo","reference":"Badenas-Agusti et al. 2020","ref_year":2020},{"parameter":"radius","value":3.14550353,"value_text":null,"unit":"R_earth","err_plus":0.21427958,"err_minus":0.21427958,"band":null,"method":"Transit","source":"nasa-exo","reference":"ExoFOP","ref_year":2020},{"parameter":"semi_major_axis","value":0.171,"value_text":null,"unit":"au","err_plus":0.003,"err_minus":0.003,"band":null,"method":"Transit","source":"nasa-exo","reference":"Polanski et al. 2024","ref_year":2024},{"parameter":"semi_major_axis","value":0.17,"value_text":null,"unit":"au","err_plus":0.002,"err_minus":0.002,"band":null,"method":"Transit","source":"nasa-exo","reference":"Lubin et al. 2024","ref_year":2024},{"parameter":"semi_major_axis","value":0.1752,"value_text":null,"unit":"au","err_plus":0.0055,"err_minus":0.005,"band":null,"method":"Transit","source":"nasa-exo","reference":"Orell-Miquel et al. 2023","ref_year":2023},{"parameter":"semi_major_axis","value":0.17,"value_text":null,"unit":"au","err_plus":0.002,"err_minus":0.002,"band":null,"method":"Transit","source":"nasa-exo","reference":"Lubin et al. 2022","ref_year":2022},{"parameter":"semi_major_axis","value":0.1762,"value_text":null,"unit":"au","err_plus":0.0089,"err_minus":0.0089,"band":null,"method":"Transit","source":"nasa-exo","reference":"Badenas-Agusti et al. 2020","ref_year":2020}],"orbit":null,"exoplanet":{"object_id":83,"pl_name":"HD 191939 c","hostname":"HD 191939","sy_pnum":6,"disc_method":"Transit","disc_year":2020,"disc_facility":"Transiting Exoplanet Survey Satellite (TESS)","orbper_d":28.579743,"orbsmax_au":0.1752,"rade":3.195,"radj":0.2850393,"masse":8.0,"massj":0.02517081,"dens_gcm3":1.35,"eccen":0.034,"insol":21.0,"eqt_k":600.0,"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":[]}