{"id":7269,"slug":"gj-1252-b","name":"GJ 1252 b","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":306.9286462,"dec":-56.4622865,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":20.373,"vmag":12.68,"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":"GJ 1252 b","host_object_id":7268,"depth":1,"deep_at":"2026-09-30T20:45:57.250395+00:00","views":17,"first_seen":"2026-08-14T16:25:51.971135+00:00","updated_at":"2026-11-01T03:29:49.418757+00:00","identifiers":[],"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":"Luque &amp; Pall&eacute; 2022","ref_year":2022},{"parameter":"eccentricity","value":0.0,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Shporer et al. 2020","ref_year":2020},{"parameter":"equilibrium_temperature","value":1090.0,"value_text":null,"unit":"K","err_plus":46.0,"err_minus":46.0,"band":null,"method":"Transit","source":"nasa-exo","reference":"Weisserman et al. 2026","ref_year":2026},{"parameter":"equilibrium_temperature","value":1089.0,"value_text":null,"unit":"K","err_plus":69.0,"err_minus":69.0,"band":null,"method":"Transit","source":"nasa-exo","reference":"Shporer et al. 2020","ref_year":2020},{"parameter":"equilibrium_temperature","value":1019.33,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"ExoFOP","ref_year":2020},{"parameter":"mass","value":1.54,"value_text":null,"unit":"M_earth","err_plus":0.18,"err_minus":0.18,"band":null,"method":"Transit","source":"nasa-exo","reference":"Weisserman et al. 2026","ref_year":2026},{"parameter":"mass","value":1.32,"value_text":null,"unit":"M_earth","err_plus":0.28,"err_minus":0.28,"band":null,"method":"Transit","source":"nasa-exo","reference":"Crossfield et al. 2022","ref_year":2022},{"parameter":"mass","value":1.32,"value_text":null,"unit":"M_earth","err_plus":0.28,"err_minus":0.28,"band":null,"method":"Transit","source":"nasa-exo","reference":"Luque &amp; Pall&eacute; 2022","ref_year":2022},{"parameter":"mass","value":2.09,"value_text":null,"unit":"M_earth","err_plus":0.56,"err_minus":0.56,"band":null,"method":"Transit","source":"nasa-exo","reference":"Shporer et al. 2020","ref_year":2020},{"parameter":"orbital_period","value":0.518235,"value_text":null,"unit":"d","err_plus":6e-06,"err_minus":6e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Weisserman et al. 2026","ref_year":2026},{"parameter":"orbital_period","value":0.5182464,"value_text":null,"unit":"d","err_plus":2.3e-06,"err_minus":2.3e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Kokori et al. 2023","ref_year":2023},{"parameter":"orbital_period","value":0.5182331,"value_text":null,"unit":"d","err_plus":8.4e-06,"err_minus":8.4e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Luque &amp; Pall&eacute; 2022","ref_year":2022},{"parameter":"orbital_period","value":0.5182416,"value_text":null,"unit":"d","err_plus":6.9e-07,"err_minus":6.9e-07,"band":null,"method":"Transit","source":"nasa-exo","reference":"Crossfield et al. 2022","ref_year":2022},{"parameter":"orbital_period","value":0.5182418,"value_text":null,"unit":"d","err_plus":7e-07,"err_minus":6e-07,"band":null,"method":"Transit","source":"nasa-exo","reference":"Patel &amp; Espinoza 2022","ref_year":2022},{"parameter":"orbital_period","value":0.5182349,"value_text":null,"unit":"d","err_plus":6.3e-06,"err_minus":5e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Shporer et al. 2020","ref_year":2020},{"parameter":"orbital_period","value":0.51824246094,"value_text":null,"unit":"d","err_plus":4.18494e-06,"err_minus":4.18494e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"ExoFOP","ref_year":2020},{"parameter":"radius","value":1.19,"value_text":null,"unit":"R_earth","err_plus":0.05,"err_minus":0.05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Weisserman et al. 2026","ref_year":2026},{"parameter":"radius","value":1.18,"value_text":null,"unit":"R_earth","err_plus":0.078,"err_minus":0.078,"band":null,"method":"Transit","source":"nasa-exo","reference":"Crossfield et al. 2022","ref_year":2022},{"parameter":"radius","value":1.193,"value_text":null,"unit":"R_earth","err_plus":0.074,"err_minus":0.074,"band":null,"method":"Transit","source":"nasa-exo","reference":"Luque &amp; Pall&eacute; 2022","ref_year":2022},{"parameter":"radius","value":1.193,"value_text":null,"unit":"R_earth","err_plus":0.074,"err_minus":0.074,"band":null,"method":"Transit","source":"nasa-exo","reference":"Shporer et al. 2020","ref_year":2020},{"parameter":"radius","value":1.34851206,"value_text":null,"unit":"R_earth","err_plus":0.09001432,"err_minus":0.09001432,"band":null,"method":"Transit","source":"nasa-exo","reference":"ExoFOP","ref_year":2020},{"parameter":"sed_flux","value":0.0967,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/MNRAS/529/1802/targets","source":"vizier","reference":"J/MNRAS/529/1802/targets","ref_year":null},{"parameter":"sed_flux","value":0.0966,"value_text":null,"unit":"Jy","err_plus":0.0001,"err_minus":0.0001,"band":"Gaia:G","method":"J/MNRAS/486/251/tablea1","source":"vizier","reference":"J/MNRAS/486/251/tablea1","ref_year":null},{"parameter":"sed_flux","value":0.235,"value_text":null,"unit":"Jy","err_plus":0.002,"err_minus":0.002,"band":"SDSS:i","method":"J/MNRAS/520/5635/sources","source":"vizier","reference":"J/MNRAS/520/5635/sources","ref_year":null},{"parameter":"sed_flux","value":0.114,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"I/337/gaia","source":"vizier","reference":"I/337/gaia","ref_year":null},{"parameter":"sed_flux","value":0.226,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"GAIA/GAIA2:Grp","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":0.106,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"GAIA/GAIA2:G","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":0.036,"value_text":null,"unit":"Jy","err_plus":0.0001,"err_minus":0.0001,"band":"GAIA/GAIA2:Gbp","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":0.225,"value_text":null,"unit":"Jy","err_plus":0.001,"err_minus":0.001,"band":"GAIA/GAIA3:Grp","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":0.103,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"GAIA/GAIA3:G","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":0.037,"value_text":null,"unit":"Jy","err_plus":0.0001,"err_minus":0.0001,"band":"GAIA/GAIA3:Gbp","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":0.0307,"value_text":null,"unit":"Jy","err_plus":0.0001,"err_minus":0.0001,"band":"Gaia:G","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.225,"value_text":null,"unit":"Jy","err_plus":0.001,"err_minus":0.001,"band":"GAIA/GAIA3:Grp","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":0.103,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"GAIA/GAIA3:G","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":0.037,"value_text":null,"unit":"Jy","err_plus":0.0001,"err_minus":0.0001,"band":"GAIA/GAIA3:Gbp","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":0.273,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Cousins:I","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":0.366,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:i","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":0.103,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Cousins:R","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":0.0809,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:r","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":0.0472,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Cousins:V","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":0.0233,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:g","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":0.0142,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Cousins:B","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":0.217,"value_text":null,"unit":"Jy","err_plus":0.009,"err_minus":0.009,"band":"SDSS:i'","method":"II/336/apass9","source":"vizier","reference":"II/336/apass9","ref_year":null},{"parameter":"sed_flux","value":0.0797,"value_text":null,"unit":"Jy","err_plus":0.0009,"err_minus":0.0009,"band":"SDSS:r'","method":"II/336/apass9","source":"vizier","reference":"II/336/apass9","ref_year":null},{"parameter":"sed_flux","value":0.0483,"value_text":null,"unit":"Jy","err_plus":0.0025,"err_minus":0.0025,"band":"Johnson:V","method":"II/336/apass9","source":"vizier","reference":"II/336/apass9","ref_year":null},{"parameter":"sed_flux","value":0.0253,"value_text":null,"unit":"Jy","err_plus":0.0004,"err_minus":0.0004,"band":"SDSS:g'","method":"II/336/apass9","source":"vizier","reference":"II/336/apass9","ref_year":null},{"parameter":"sed_flux","value":0.0147,"value_text":null,"unit":"Jy","err_plus":0.0004,"err_minus":0.0004,"band":"Johnson:B","method":"II/336/apass9","source":"vizier","reference":"II/336/apass9","ref_year":null},{"parameter":"sed_flux","value":0.219,"value_text":null,"unit":"Jy","err_plus":0.005,"err_minus":0.005,"band":"SkyMapper/SkyMapper:z","method":"II/379/smssdr4","source":"vizier","reference":"II/379/smssdr4","ref_year":null},{"parameter":"sed_flux","value":0.16,"value_text":null,"unit":"Jy","err_plus":0.001,"err_minus":0.001,"band":"SkyMapper/SkyMapper:i","method":"II/379/smssdr4","source":"vizier","reference":"II/379/smssdr4","ref_year":null},{"parameter":"sed_flux","value":0.066,"value_text":null,"unit":"Jy","err_plus":0.0006,"err_minus":0.0006,"band":"SkyMapper/SkyMapper:r","method":"II/379/smssdr4","source":"vizier","reference":"II/379/smssdr4","ref_year":null},{"parameter":"sed_flux","value":0.0348,"value_text":null,"unit":"Jy","err_plus":0.0003,"err_minus":0.0003,"band":"SkyMapper/SkyMapper:g","method":"II/379/smssdr4","source":"vizier","reference":"II/379/smssdr4","ref_year":null},{"parameter":"sed_flux","value":0.00296,"value_text":null,"unit":"Jy","err_plus":6e-05,"err_minus":6e-05,"band":"SkyMapper/SkyMapper:v","method":"II/379/smssdr4","source":"vizier","reference":"II/379/smssdr4","ref_year":null},{"parameter":"sed_flux","value":0.000973,"value_text":null,"unit":"Jy","err_plus":2e-05,"err_minus":2e-05,"band":"SkyMapper/SkyMapper:u","method":"II/379/smssdr4","source":"vizier","reference":"II/379/smssdr4","ref_year":null},{"parameter":"sed_flux","value":0.26,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"Gaia:G","method":"J/ApJ/867/105/refcat2","source":"vizier","reference":"J/ApJ/867/105/refcat2","ref_year":null},{"parameter":"sed_flux","value":0.461,"value_text":null,"unit":"Jy","err_plus":0.01,"err_minus":0.01,"band":"2MASS:Ks","method":"J/A+A/649/A6/table1c","source":"vizier","reference":"J/A+A/649/A6/table1c","ref_year":null},{"parameter":"sed_flux","value":0.571,"value_text":null,"unit":"Jy","err_plus":0.018,"err_minus":0.018,"band":"2MASS:H","method":"J/A+A/649/A6/table1c","source":"vizier","reference":"J/A+A/649/A6/table1c","ref_year":null},{"parameter":"sed_flux","value":0.524,"value_text":null,"unit":"Jy","err_plus":0.009,"err_minus":0.009,"band":"2MASS:J","method":"J/A+A/649/A6/table1c","source":"vizier","reference":"J/A+A/649/A6/table1c","ref_year":null},{"parameter":"sed_flux","value":0.266,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/A+A/649/A6/table1c","source":"vizier","reference":"J/A+A/649/A6/table1c","ref_year":null},{"parameter":"sed_flux","value":0.0477,"value_text":null,"unit":"Jy","err_plus":0.0116,"err_minus":0.0116,"band":"Johnson:V","method":"J/A+A/653/A98/aspic1_1","source":"vizier","reference":"J/A+A/653/A98/aspic1_1","ref_year":null},{"parameter":"sed_flux","value":0.0967,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/A+A/657/A7/tablea3","source":"vizier","reference":"J/A+A/657/A7/tablea3","ref_year":null},{"parameter":"sed_flux","value":0.461,"value_text":null,"unit":"Jy","err_plus":0.01,"err_minus":0.01,"band":"2MASS:Ks","method":"J/A+A/670/A19/cns5","source":"vizier","reference":"J/A+A/670/A19/cns5","ref_year":null},{"parameter":"sed_flux","value":0.571,"value_text":null,"unit":"Jy","err_plus":0.018,"err_minus":0.018,"band":"2MASS:H","method":"J/A+A/670/A19/cns5","source":"vizier","reference":"J/A+A/670/A19/cns5","ref_year":null},{"parameter":"sed_flux","value":0.524,"value_text":null,"unit":"Jy","err_plus":0.009,"err_minus":0.009,"band":"2MASS:J","method":"J/A+A/670/A19/cns5","source":"vizier","reference":"J/A+A/670/A19/cns5","ref_year":null},{"parameter":"sed_flux","value":0.266,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"Gaia:G","method":"J/A+A/670/A19/cns5","source":"vizier","reference":"J/A+A/670/A19/cns5","ref_year":null},{"parameter":"sed_flux","value":0.0967,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/A+A/677/A137/catalog","source":"vizier","reference":"J/A+A/677/A137/catalog","ref_year":null},{"parameter":"sed_flux","value":0.0966,"value_text":null,"unit":"Jy","err_plus":0.0001,"err_minus":0.0001,"band":"Gaia:G","method":"J/A+A/692/A150/allskytg","source":"vizier","reference":"J/A+A/692/A150/allskytg","ref_year":null},{"parameter":"sed_flux","value":0.463,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:Ks","method":"J/AJ/155/180/table1","source":"vizier","reference":"J/AJ/155/180/table1","ref_year":null},{"parameter":"sed_flux","value":0.572,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:H","method":"J/AJ/155/180/table1","source":"vizier","reference":"J/AJ/155/180/table1","ref_year":null},{"parameter":"sed_flux","value":0.522,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:J","method":"J/AJ/155/180/table1","source":"vizier","reference":"J/AJ/155/180/table1","ref_year":null},{"parameter":"sed_flux","value":0.461,"value_text":null,"unit":"Jy","err_plus":0.01,"err_minus":0.01,"band":"2MASS:Ks","method":"J/AJ/161/234/table2","source":"vizier","reference":"J/AJ/161/234/table2","ref_year":null},{"parameter":"sed_flux","value":0.571,"value_text":null,"unit":"Jy","err_plus":0.018,"err_minus":0.018,"band":"2MASS:H","method":"J/AJ/161/234/table2","source":"vizier","reference":"J/AJ/161/234/table2","ref_year":null},{"parameter":"sed_flux","value":0.524,"value_text":null,"unit":"Jy","err_plus":0.009,"err_minus":0.009,"band":"2MASS:J","method":"J/AJ/161/234/table2","source":"vizier","reference":"J/AJ/161/234/table2","ref_year":null},{"parameter":"sed_flux","value":0.0966,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/AJ/161/234/table2","source":"vizier","reference":"J/AJ/161/234/table2","ref_year":null},{"parameter":"sed_flux","value":0.461,"value_text":null,"unit":"Jy","err_plus":0.01,"err_minus":0.01,"band":"2MASS:Ks","method":"J/AJ/161/234/table3","source":"vizier","reference":"J/AJ/161/234/table3","ref_year":null},{"parameter":"sed_flux","value":0.571,"value_text":null,"unit":"Jy","err_plus":0.018,"err_minus":0.018,"band":"2MASS:H","method":"J/AJ/161/234/table3","source":"vizier","reference":"J/AJ/161/234/table3","ref_year":null},{"parameter":"sed_flux","value":0.524,"value_text":null,"unit":"Jy","err_plus":0.009,"err_minus":0.009,"band":"2MASS:J","method":"J/AJ/161/234/table3","source":"vizier","reference":"J/AJ/161/234/table3","ref_year":null},{"parameter":"sed_flux","value":0.0966,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/AJ/161/234/table3","source":"vizier","reference":"J/AJ/161/234/table3","ref_year":null},{"parameter":"sed_flux","value":0.0966,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/AJ/161/234/table4","source":"vizier","reference":"J/AJ/161/234/table4","ref_year":null},{"parameter":"sed_flux","value":0.0966,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/AJ/161/234/table8","source":"vizier","reference":"J/AJ/161/234/table8","ref_year":null},{"parameter":"sed_flux","value":0.461,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:Ks","method":"J/AJ/167/233/table4","source":"vizier","reference":"J/AJ/167/233/table4","ref_year":null},{"parameter":"sed_flux","value":0.571,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:H","method":"J/AJ/167/233/table4","source":"vizier","reference":"J/AJ/167/233/table4","ref_year":null},{"parameter":"sed_flux","value":0.524,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:J","method":"J/AJ/167/233/table4","source":"vizier","reference":"J/AJ/167/233/table4","ref_year":null},{"parameter":"sed_flux","value":0.0308,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"J/AJ/167/233/table4","source":"vizier","reference":"J/AJ/167/233/table4","ref_year":null},{"parameter":"sed_flux","value":0.571,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:H","method":"J/AJ/170/216/fig3","source":"vizier","reference":"J/AJ/170/216/fig3","ref_year":null},{"parameter":"semi_major_axis","value":0.00915,"value_text":null,"unit":"au","err_plus":0.00015,"err_minus":0.00015,"band":null,"method":"Transit","source":"nasa-exo","reference":"Crossfield et al. 2022","ref_year":2022},{"parameter":"semi_major_axis","value":0.00916,"value_text":null,"unit":"au","err_plus":0.00076,"err_minus":0.00076,"band":null,"method":"Transit","source":"nasa-exo","reference":"Shporer et al. 2020","ref_year":2020}],"orbit":null,"exoplanet":{"object_id":7269,"pl_name":"GJ 1252 b","hostname":"GJ 1252","sy_pnum":1,"disc_method":"Transit","disc_year":2020,"disc_facility":"Transiting Exoplanet Survey Satellite (TESS)","orbper_d":0.5182331,"orbsmax_au":0.00915,"rade":1.193,"radj":0.10643251,"masse":1.32,"massj":0.00415318,"dens_gcm3":4.2,"eccen":0.0,"insol":233.0,"eqt_k":1090.0,"st_teff":3458.0,"st_rad":0.391,"st_mass":0.381,"st_spectype":"M3","sy_dist_pc":20.373,"updated_at":"2026-11-01T03:29:49.418757+00:00"},"sources":[{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=306.928646%20-56.462286&-c.rs=5","fetched_at":"2026-09-30T20:45:57.243823+00:00"}]}