{"id":7975,"slug":"gj-3021","name":"GJ 3021","domain":"deep-sky","class":"star","otype":null,"otype_label":"Star","ra":4.0634323,"dec":-79.8514218,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":17.5559,"vmag":null,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":"G6 V","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":null,"host_object_id":null,"depth":0,"deep_at":null,"views":3,"first_seen":"2026-08-14T16:25:51.971135+00:00","updated_at":"2026-08-14T16:25:51.971135+00:00","identifiers":[],"measurements":[{"parameter":"effective_temperature","value":5540.0,"value_text":null,"unit":"K","err_plus":75.0,"err_minus":75.0,"band":null,"method":null,"source":"nasa-exo","reference":"Naef et al. 2001","ref_year":2001},{"parameter":"mass","value":0.9,"value_text":null,"unit":"M_sun","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"nasa-exo","reference":"Naef et al. 2001","ref_year":2001},{"parameter":"radius","value":0.9,"value_text":null,"unit":"R_sun","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"nasa-exo","reference":"Naef et al. 2001","ref_year":2001}],"orbit":null,"exoplanet":null,"sources":[]}