{"id":10630,"slug":"wasp-12-b","name":"WASP-12b","domain":"exoplanet","class":"exoplanet","otype":"Pl","otype_label":"Planet","ra":97.63665253847999,"dec":29.67229541735001,"coo_err_mas":0.0153,"coo_bibcode":"2020yCat.1350....0G","plx_mas":2.4213,"pmra":-1.519,"pmdec":-6.761,"rv_kms":null,"redshift":null,"dist_pc":427.246,"vmag":11.569,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":869,"simbad_oid":4699789,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"WASP-12 b","host_object_id":2544094,"depth":0,"deep_at":null,"views":15,"first_seen":"2026-08-14T16:25:51.971135+00:00","updated_at":"2026-09-13T03:31:46.301398+00:00","identifiers":["WASP-12b"],"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":"&Ouml;zt&uuml;rk &amp; Erdem 2019","ref_year":2019},{"parameter":"eccentricity","value":0.0,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Collins et al. 2017","ref_year":2017},{"parameter":"eccentricity","value":0.05,"value_text":null,"unit":null,"err_plus":0.01,"err_minus":0.01,"band":null,"method":"Transit","source":"nasa-exo","reference":"Stassun et al. 2017","ref_year":2017},{"parameter":"eccentricity","value":0.02,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Bonomo et al. 2017","ref_year":2017},{"parameter":"eccentricity","value":0.0447,"value_text":null,"unit":null,"err_plus":0.0043,"err_minus":0.0043,"band":null,"method":"Transit","source":"nasa-exo","reference":"Turner et al. 2016","ref_year":2016},{"parameter":"eccentricity","value":0.037,"value_text":null,"unit":null,"err_plus":0.014,"err_minus":0.015,"band":null,"method":"Transit","source":"nasa-exo","reference":"Knutson et al. 2014","ref_year":2014},{"parameter":"eccentricity","value":0.049,"value_text":null,"unit":null,"err_plus":0.015,"err_minus":0.015,"band":null,"method":"Transit","source":"nasa-exo","reference":"Hebb et al. 2009","ref_year":2009},{"parameter":"equilibrium_temperature","value":2592.6,"value_text":null,"unit":"K","err_plus":57.2,"err_minus":57.2,"band":null,"method":"Transit","source":"nasa-exo","reference":"Chakrabarty &amp; Sengupta 2019","ref_year":2019},{"parameter":"equilibrium_temperature","value":2601.0,"value_text":null,"unit":"K","err_plus":18.0,"err_minus":18.0,"band":null,"method":"Transit","source":"nasa-exo","reference":"&Ouml;zt&uuml;rk &amp; Erdem 2019","ref_year":2019},{"parameter":"equilibrium_temperature","value":2530.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Barstow et al. 2017","ref_year":2017},{"parameter":"equilibrium_temperature","value":2580.0,"value_text":null,"unit":"K","err_plus":58.0,"err_minus":62.0,"band":null,"method":"Transit","source":"nasa-exo","reference":"Collins et al. 2017","ref_year":2017},{"parameter":"equilibrium_temperature","value":2483.0,"value_text":null,"unit":"K","err_plus":79.0,"err_minus":79.0,"band":null,"method":"Transit","source":"nasa-exo","reference":"Turner et al. 2016","ref_year":2016},{"parameter":"equilibrium_temperature","value":2510.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Sing et al. 2016","ref_year":2016},{"parameter":"equilibrium_temperature","value":2523.0,"value_text":null,"unit":"K","err_plus":45.0,"err_minus":45.0,"band":null,"method":"Transit","source":"nasa-exo","reference":"Southworth 2012","ref_year":2012},{"parameter":"equilibrium_temperature","value":2428.54,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"ExoFOP","ref_year":2008},{"parameter":"mass","value":465.62095,"value_text":null,"unit":"M_earth","err_plus":25.10857,"err_minus":25.10857,"band":null,"method":"Transit","source":"nasa-exo","reference":"Chakrabarty &amp; Sengupta 2019","ref_year":2019},{"parameter":"mass","value":448.1403,"value_text":null,"unit":"M_earth","err_plus":31.783,"err_minus":31.783,"band":null,"method":"Transit","source":"nasa-exo","reference":"&Ouml;zt&uuml;rk &amp; Erdem 2019","ref_year":2019},{"parameter":"mass","value":416.3573,"value_text":null,"unit":"M_earth","err_plus":104.8839,"err_minus":104.8839,"band":null,"method":"Transit","source":"nasa-exo","reference":"Stassun et al. 2017","ref_year":2017},{"parameter":"mass","value":441.7837,"value_text":null,"unit":"M_earth","err_plus":38.1396,"err_minus":38.1396,"band":null,"method":"Transit","source":"nasa-exo","reference":"Bonomo et al. 2017","ref_year":2017},{"parameter":"mass","value":467.2101,"value_text":null,"unit":"M_earth","err_plus":24.15508,"err_minus":21.93027,"band":null,"method":"Transit","source":"nasa-exo","reference":"Collins et al. 2017","ref_year":2017},{"parameter":"mass","value":444.962,"value_text":null,"unit":"M_earth","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Sing et al. 2016","ref_year":2016},{"parameter":"mass","value":638.8383,"value_text":null,"unit":"M_earth","err_plus":44.4962,"err_minus":44.4962,"band":null,"method":"Transit","source":"nasa-exo","reference":"Turner et al. 2016","ref_year":2016},{"parameter":"mass","value":441.7837,"value_text":null,"unit":"M_earth","err_plus":41.3179,"err_minus":41.3179,"band":null,"method":"Transit","source":"nasa-exo","reference":"Knutson et al. 2014","ref_year":2014},{"parameter":"mass","value":454.4969,"value_text":null,"unit":"M_earth","err_plus":44.4962,"err_minus":44.4962,"band":null,"method":"Transit","source":"nasa-exo","reference":"Southworth 2012","ref_year":2012},{"parameter":"mass","value":448.0,"value_text":null,"unit":"M_earth","err_plus":32.0,"err_minus":312.0,"band":null,"method":"Transit","source":"nasa-exo","reference":"Hebb et al. 2009","ref_year":2009},{"parameter":"orbital_period","value":1.09141866569,"value_text":null,"unit":"d","err_plus":1.659e-08,"err_minus":1.659e-08,"band":null,"method":"Transit","source":"nasa-exo","reference":"Sodickson &amp; Grunblatt 2025","ref_year":2025},{"parameter":"orbital_period","value":1.091418901,"value_text":null,"unit":"d","err_plus":1.8e-08,"err_minus":1.8e-08,"band":null,"method":"Transit","source":"nasa-exo","reference":"Leonardi et al. 2024","ref_year":2024},{"parameter":"orbital_period","value":1.091419179,"value_text":null,"unit":"d","err_plus":4.3e-08,"err_minus":4.3e-08,"band":null,"method":"Transit","source":"nasa-exo","reference":"Kokori et al. 2023","ref_year":2023},{"parameter":"orbital_period","value":1.091419108,"value_text":null,"unit":"d","err_plus":5.5e-08,"err_minus":5.5e-08,"band":null,"method":"Transit","source":"nasa-exo","reference":"Ivshina &amp; Winn 2022","ref_year":2022},{"parameter":"orbital_period","value":1.09141964,"value_text":null,"unit":"d","err_plus":4e-08,"err_minus":4e-08,"band":null,"method":"Transit","source":"nasa-exo","reference":"Kokori et al. 2022","ref_year":2022},{"parameter":"orbital_period","value":1.0914199,"value_text":null,"unit":"d","err_plus":2e-07,"err_minus":2e-07,"band":null,"method":"Transit","source":"nasa-exo","reference":"&Ouml;zt&uuml;rk &amp; Erdem 2019","ref_year":2019},{"parameter":"orbital_period","value":1.09142,"value_text":null,"unit":"d","err_plus":1.4432e-07,"err_minus":1.4432e-07,"band":null,"method":"Transit","source":"nasa-exo","reference":"Chakrabarty &amp; Sengupta 2019","ref_year":2019},{"parameter":"orbital_period","value":1.0914203,"value_text":null,"unit":"d","err_plus":1.4e-07,"err_minus":1.4e-07,"band":null,"method":"Transit","source":"nasa-exo","reference":"Collins et al. 2017","ref_year":2017},{"parameter":"orbital_period","value":1.0914209,"value_text":null,"unit":"d","err_plus":2e-07,"err_minus":2e-07,"band":null,"method":"Transit","source":"nasa-exo","reference":"Bonomo et al. 2017","ref_year":2017},{"parameter":"orbital_period","value":1.09142245,"value_text":null,"unit":"d","err_plus":3.3e-07,"err_minus":3.3e-07,"band":null,"method":"Transit","source":"nasa-exo","reference":"Stassun et al. 2017","ref_year":2017},{"parameter":"orbital_period","value":1.09142162,"value_text":null,"unit":"d","err_plus":2.1e-07,"err_minus":2.1e-07,"band":null,"method":"Transit","source":"nasa-exo","reference":"Maciejewski et al. 2016","ref_year":2016},{"parameter":"orbital_period","value":1.09,"value_text":null,"unit":"d","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Sing et al. 2016","ref_year":2016},{"parameter":"orbital_period","value":1.09142119,"value_text":null,"unit":"d","err_plus":2.1e-07,"err_minus":2.1e-07,"band":null,"method":"Transit","source":"nasa-exo","reference":"Turner et al. 2016","ref_year":2016},{"parameter":"orbital_period","value":1.0914222,"value_text":null,"unit":"d","err_plus":1.1e-06,"err_minus":1.1e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Southworth 2012","ref_year":2012},{"parameter":"orbital_period","value":1.091423,"value_text":null,"unit":"d","err_plus":3e-06,"err_minus":3e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Hebb et al. 2009","ref_year":2009},{"parameter":"orbital_period","value":1.09143044696,"value_text":null,"unit":"d","err_plus":2.1365e-07,"err_minus":2.1365e-07,"band":null,"method":"Transit","source":"nasa-exo","reference":"ExoFOP","ref_year":2008},{"parameter":"radius","value":22.02564708,"value_text":null,"unit":"R_earth","err_plus":0.9863903,"err_minus":0.97518132,"band":null,"method":"Transit","source":"nasa-exo","reference":"Leonardi et al. 2024","ref_year":2024},{"parameter":"radius","value":20.389171,"value_text":null,"unit":"R_earth","err_plus":1.591678,"err_minus":1.591678,"band":null,"method":"Transit","source":"nasa-exo","reference":"&Ouml;zt&uuml;rk &amp; Erdem 2019","ref_year":2019},{"parameter":"radius","value":21.711833,"value_text":null,"unit":"R_earth","err_plus":0.627704,"err_minus":0.627704,"band":null,"method":"Transit","source":"nasa-exo","reference":"Chakrabarty &amp; Sengupta 2019","ref_year":2019},{"parameter":"radius","value":20.456425,"value_text":null,"unit":"R_earth","err_plus":1.020019,"err_minus":1.020019,"band":null,"method":"Transit","source":"nasa-exo","reference":"Bonomo et al. 2017","ref_year":2017},{"parameter":"radius","value":21.2971,"value_text":null,"unit":"R_earth","err_plus":0.638913,"err_minus":0.616495,"band":null,"method":"Transit","source":"nasa-exo","reference":"Collins et al. 2017","ref_year":2017},{"parameter":"radius","value":20.40038,"value_text":null,"unit":"R_earth","err_plus":2.35389,"err_minus":2.35389,"band":null,"method":"Transit","source":"nasa-exo","reference":"Stassun et al. 2017","ref_year":2017},{"parameter":"radius","value":19.39157,"value_text":null,"unit":"R_earth","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Sing et al. 2016","ref_year":2016},{"parameter":"radius","value":20.84874,"value_text":null,"unit":"R_earth","err_plus":1.00881,"err_minus":1.00881,"band":null,"method":"Transit","source":"nasa-exo","reference":"Turner et al. 2016","ref_year":2016},{"parameter":"radius","value":20.456425,"value_text":null,"unit":"R_earth","err_plus":1.053646,"err_minus":1.053646,"band":null,"method":"Transit","source":"nasa-exo","reference":"Southworth 2012","ref_year":2012},{"parameter":"radius","value":20.1,"value_text":null,"unit":"R_earth","err_plus":1.0,"err_minus":1.0,"band":null,"method":"Transit","source":"nasa-exo","reference":"Hebb et al. 2009","ref_year":2009},{"parameter":"radius","value":22.61545551,"value_text":null,"unit":"R_earth","err_plus":1.0501168,"err_minus":1.0501168,"band":null,"method":"Transit","source":"nasa-exo","reference":"ExoFOP","ref_year":2008},{"parameter":"semi_major_axis","value":0.0234,"value_text":null,"unit":"au","err_plus":0.001,"err_minus":0.001,"band":null,"method":"Transit","source":"nasa-exo","reference":"Leonardi et al. 2024","ref_year":2024},{"parameter":"semi_major_axis","value":0.0232,"value_text":null,"unit":"au","err_plus":0.00064,"err_minus":0.00064,"band":null,"method":"Transit","source":"nasa-exo","reference":"Chakrabarty &amp; Sengupta 2019","ref_year":2019},{"parameter":"semi_major_axis","value":0.0234,"value_text":null,"unit":"au","err_plus":0.00056,"err_minus":0.0005,"band":null,"method":"Transit","source":"nasa-exo","reference":"Collins et al. 2017","ref_year":2017},{"parameter":"semi_major_axis","value":0.02312,"value_text":null,"unit":"au","err_plus":0.00094,"err_minus":0.001,"band":null,"method":"Transit","source":"nasa-exo","reference":"Bonomo et al. 2017","ref_year":2017},{"parameter":"semi_major_axis","value":0.0235,"value_text":null,"unit":"au","err_plus":0.0011,"err_minus":0.0011,"band":null,"method":"Transit","source":"nasa-exo","reference":"Turner et al. 2016","ref_year":2016},{"parameter":"semi_major_axis","value":0.02309,"value_text":null,"unit":"au","err_plus":0.00101,"err_minus":0.00101,"band":null,"method":"Transit","source":"nasa-exo","reference":"Southworth 2012","ref_year":2012},{"parameter":"semi_major_axis","value":0.0229,"value_text":null,"unit":"au","err_plus":0.004,"err_minus":0.004,"band":null,"method":"Transit","source":"nasa-exo","reference":"Hebb et al. 2009","ref_year":2009}],"orbit":null,"exoplanet":{"object_id":10630,"pl_name":"WASP-12 b","hostname":"WASP-12","sy_pnum":1,"disc_method":"Transit","disc_year":2008,"disc_facility":"SuperWASP","orbper_d":1.091418901,"orbsmax_au":0.0234,"rade":22.02564708,"radj":1.965,"masse":467.2101,"massj":1.47,"dens_gcm3":0.266,"eccen":0.0447,"insol":8220.584,"eqt_k":2601.0,"st_teff":6265.0,"st_rad":1.69,"st_mass":1.325,"st_spectype":null,"sy_dist_pc":427.246,"updated_at":"2026-09-13T03:31:17.289698+00:00"},"sources":[]}