{"id":2151544,"slug":"g-139-21","name":"G 139-21","domain":"deep-sky","class":"star","otype":"PM*","otype_label":"HighPM*","ra":258.82889160451873,"dec":4.963907392315556,"coo_err_mas":0.0459,"coo_bibcode":"2020yCat.1350....0G","plx_mas":68.2986,"pmra":580.202,"pmdec":-749.713,"rv_kms":20.91,"redshift":6.9750684e-05,"dist_pc":null,"vmag":14.71,"bmag":null,"gmag":12.996782,"jmag":9.75,"kmag":8.782,"sp_type":"M4.5V","morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":384,"simbad_oid":2667900,"gaia_dr3":4393265392168829056,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":0,"deep_at":null,"views":10,"first_seen":"2026-08-14T16:51:01.524842+00:00","updated_at":"2026-09-06T03:30:06.079676+00:00","identifiers":["2MASS J17151894+0457496","CNS5 4231","G 139-21","Gaia DR2 4393265392167891712","Gaia DR3 4393265392168829056","GEN# +9.80139021","GJ 1214","** GJ 1214A","LHS 3275","LSPM J1715+0457","NAME-IAU Orkaria","NLTT 44431","PLX 3913.01","PM J17153+0457","[RHG95] 2724","TIC 467929202","UBV M 53793","UCAC4 475-063069","USNO 256","USNO-B1.0 0949-00280047","WDS J17153+0458A","WISEA J171519.33+045742.2"],"measurements":[{"parameter":"effective_temperature","value":3026.0,"value_text":null,"unit":"K","err_plus":130.0,"err_minus":130.0,"band":null,"method":null,"source":"nasa-exo","reference":"Yal&ccedil;&#x131;nkaya et al. 2024","ref_year":2024},{"parameter":"effective_temperature","value":3101.0,"value_text":null,"unit":"K","err_plus":43.0,"err_minus":43.0,"band":null,"method":null,"source":"nasa-exo","reference":"Mahajan et al. 2024","ref_year":2024},{"parameter":"effective_temperature","value":3250.0,"value_text":null,"unit":"K","err_plus":100.0,"err_minus":100.0,"band":null,"method":null,"source":"nasa-exo","reference":"Cloutier et al. 2021","ref_year":2021},{"parameter":"effective_temperature","value":3074.0,"value_text":null,"unit":"K","err_plus":157.0,"err_minus":157.0,"band":null,"method":null,"source":"nasa-exo","reference":"TICv8","ref_year":2014},{"parameter":"effective_temperature","value":3250.0,"value_text":null,"unit":"K","err_plus":100.0,"err_minus":100.0,"band":null,"method":null,"source":"nasa-exo","reference":"Gillon et al. 2014","ref_year":2014},{"parameter":"effective_temperature","value":3026.0,"value_text":null,"unit":"K","err_plus":150.0,"err_minus":150.0,"band":null,"method":null,"source":"nasa-exo","reference":"Harps&oslash;e et al. 2013","ref_year":2013},{"parameter":"effective_temperature","value":3000.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"nasa-exo","reference":"Narita et al. 2013","ref_year":2013},{"parameter":"effective_temperature","value":3026.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"nasa-exo","reference":"Berta et al. 2012","ref_year":2012},{"parameter":"effective_temperature","value":3170.0,"value_text":null,"unit":"K","err_plus":23.0,"err_minus":23.0,"band":null,"method":null,"source":"nasa-exo","reference":"Carter et al. 2011","ref_year":2011},{"parameter":"effective_temperature","value":3026.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"nasa-exo","reference":"Bean et al. 2011","ref_year":2011},{"parameter":"effective_temperature","value":2949.0,"value_text":null,"unit":"K","err_plus":27.0,"err_minus":32.0,"band":null,"method":null,"source":"nasa-exo","reference":"Kundurthy et al. 2011","ref_year":2011},{"parameter":"effective_temperature","value":3026.0,"value_text":null,"unit":"K","err_plus":130.0,"err_minus":130.0,"band":null,"method":null,"source":"nasa-exo","reference":"Charbonneau et al. 2009","ref_year":2009},{"parameter":"mass","value":0.182,"value_text":null,"unit":"M_sun","err_plus":0.0042,"err_minus":0.0041,"band":null,"method":null,"source":"nasa-exo","reference":"Mahajan et al. 2024","ref_year":2024},{"parameter":"mass","value":0.178,"value_text":null,"unit":"M_sun","err_plus":0.01,"err_minus":0.01,"band":null,"method":null,"source":"nasa-exo","reference":"Cloutier et al. 2021","ref_year":2021},{"parameter":"mass","value":0.183607,"value_text":null,"unit":"M_sun","err_plus":0.02008,"err_minus":0.02008,"band":null,"method":null,"source":"nasa-exo","reference":"TICv8","ref_year":2014},{"parameter":"mass","value":0.176,"value_text":null,"unit":"M_sun","err_plus":0.009,"err_minus":0.009,"band":null,"method":null,"source":"nasa-exo","reference":"Gillon et al. 2014","ref_year":2014},{"parameter":"mass","value":0.15,"value_text":null,"unit":"M_sun","err_plus":0.011,"err_minus":0.011,"band":null,"method":null,"source":"nasa-exo","reference":"Harps&oslash;e et al. 2013","ref_year":2013},{"parameter":"mass","value":0.153,"value_text":null,"unit":"M_sun","err_plus":0.01,"err_minus":0.009,"band":null,"method":null,"source":"nasa-exo","reference":"Kundurthy et al. 2011","ref_year":2011},{"parameter":"mass","value":0.157,"value_text":null,"unit":"M_sun","err_plus":0.019,"err_minus":0.019,"band":null,"method":null,"source":"nasa-exo","reference":"Berta et al. 2011","ref_year":2011},{"parameter":"mass","value":0.156,"value_text":null,"unit":"M_sun","err_plus":0.006,"err_minus":0.006,"band":null,"method":null,"source":"nasa-exo","reference":"Carter et al. 2011","ref_year":2011},{"parameter":"mass","value":0.157,"value_text":null,"unit":"M_sun","err_plus":0.012,"err_minus":0.012,"band":null,"method":null,"source":"nasa-exo","reference":"Carter et al. 2011","ref_year":2011},{"parameter":"mass","value":0.157,"value_text":null,"unit":"M_sun","err_plus":0.019,"err_minus":0.019,"band":null,"method":null,"source":"nasa-exo","reference":"Charbonneau et al. 2009","ref_year":2009},{"parameter":"radius","value":0.2162,"value_text":null,"unit":"R_sun","err_plus":0.0025,"err_minus":0.0024,"band":null,"method":null,"source":"nasa-exo","reference":"Mahajan et al. 2024","ref_year":2024},{"parameter":"radius","value":0.215,"value_text":null,"unit":"R_sun","err_plus":0.008,"err_minus":0.008,"band":null,"method":null,"source":"nasa-exo","reference":"Cloutier et al. 2021","ref_year":2021},{"parameter":"radius","value":0.214572,"value_text":null,"unit":"R_sun","err_plus":0.006446,"err_minus":0.006446,"band":null,"method":null,"source":"nasa-exo","reference":"TICv8","ref_year":2014},{"parameter":"radius","value":0.2213,"value_text":null,"unit":"R_sun","err_plus":0.0043,"err_minus":0.0043,"band":null,"method":null,"source":"nasa-exo","reference":"Gillon et al. 2014","ref_year":2014},{"parameter":"radius","value":0.216,"value_text":null,"unit":"R_sun","err_plus":0.012,"err_minus":0.012,"band":null,"method":null,"source":"nasa-exo","reference":"Harps&oslash;e et al. 2013","ref_year":2013},{"parameter":"radius","value":0.201,"value_text":null,"unit":"R_sun","err_plus":0.004,"err_minus":0.003,"band":null,"method":null,"source":"nasa-exo","reference":"Berta et al. 2012","ref_year":2012},{"parameter":"radius","value":0.21,"value_text":null,"unit":"R_sun","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"nasa-exo","reference":"Bean et al. 2011","ref_year":2011},{"parameter":"radius","value":0.21,"value_text":null,"unit":"R_sun","err_plus":0.005,"err_minus":0.004,"band":null,"method":null,"source":"nasa-exo","reference":"Kundurthy et al. 2011","ref_year":2011},{"parameter":"radius","value":0.179,"value_text":null,"unit":"R_sun","err_plus":0.006,"err_minus":0.006,"band":null,"method":null,"source":"nasa-exo","reference":"Carter et al. 2011","ref_year":2011},{"parameter":"radius","value":0.21,"value_text":null,"unit":"R_sun","err_plus":0.007,"err_minus":0.007,"band":null,"method":null,"source":"nasa-exo","reference":"Carter et al. 2011","ref_year":2011},{"parameter":"radius","value":0.2064,"value_text":null,"unit":"R_sun","err_plus":0.0086,"err_minus":0.0096,"band":null,"method":null,"source":"nasa-exo","reference":"Berta et al. 2011","ref_year":2011},{"parameter":"radius","value":0.201,"value_text":null,"unit":"R_sun","err_plus":0.01,"err_minus":0.005,"band":null,"method":null,"source":"nasa-exo","reference":"Sada et al. 2010","ref_year":2010},{"parameter":"radius","value":0.211,"value_text":null,"unit":"R_sun","err_plus":0.0097,"err_minus":0.0097,"band":null,"method":null,"source":"nasa-exo","reference":"Charbonneau et al. 2009","ref_year":2009}],"orbit":null,"exoplanet":null,"sources":[]}