{"id":3260,"slug":"ogle-2012-blg-0838l-b","name":"OGLE-2012-BLG-0838L b","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":273.003083,"dec":-25.7116111,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":6320.0,"vmag":null,"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":"OGLE-2012-BLG-0838L b","host_object_id":3259,"depth":0,"deep_at":null,"views":1,"first_seen":"2026-08-14T16:25:51.971135+00:00","updated_at":"2026-09-13T03:31:17.289698+00:00","identifiers":[],"measurements":[{"parameter":"mass","value":53.1,"value_text":null,"unit":"M_earth","err_plus":38.5,"err_minus":260.0,"band":null,"method":"Microlensing","source":"nasa-exo","reference":"Poleski et al. 2020","ref_year":2020},{"parameter":"semi_major_axis","value":4.43,"value_text":null,"unit":"au","err_plus":0.71,"err_minus":0.81,"band":null,"method":"Microlensing","source":"nasa-exo","reference":"Poleski et al. 2020","ref_year":2020}],"orbit":null,"exoplanet":{"object_id":3260,"pl_name":"OGLE-2012-BLG-0838L b","hostname":"OGLE-2012-BLG-0838L","sy_pnum":1,"disc_method":"Microlensing","disc_year":2020,"disc_facility":"OGLE","orbper_d":null,"orbsmax_au":4.43,"rade":8.39,"radj":0.748,"masse":53.1,"massj":0.167,"dens_gcm3":0.494,"eccen":null,"insol":null,"eqt_k":null,"st_teff":null,"st_rad":null,"st_mass":0.4,"st_spectype":null,"sy_dist_pc":6320.0,"updated_at":"2026-09-13T03:31:17.289698+00:00"},"sources":[]}