{"id":2213018,"slug":"pg-1644-404","name":"PG 1644+404","domain":"deep-sky","class":"star","otype":"HS*","otype_label":"HotSubdwarf","ra":251.53806261132002,"dec":40.290394713240005,"coo_err_mas":0.0215,"coo_bibcode":"2020yCat.1350....0G","plx_mas":1.2784,"pmra":-17.226,"pmdec":7.07,"rv_kms":29.21,"redshift":9.743882e-05,"dist_pc":null,"vmag":14.101,"bmag":15.4,"gmag":14.079659,"jmag":14.733,"kmag":14.802,"sp_type":"sdB1.5VIIHe2","morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":30,"simbad_oid":2917534,"gaia_dr3":1355775219474985856,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":0,"deep_at":null,"views":7,"first_seen":"2026-08-14T16:51:05.817432+00:00","updated_at":"2026-08-14T16:51:05.817432+00:00","identifiers":["2MASS J16460913+4017255","[CCH92] 1644.5+4022","FBS 1644+404","FBS B 144","Gaia DR2 1355775219474985856","Gaia DR3 1355775219474985856","GALEX J164609.2+401725","HIDDEN NAME PG 1644+403","KUV 16445+4023","LAMOST J164609.24+401725.5","PG 1644+404","SDSS J164609.13+401725.4","TIC 57257430"],"measurements":[],"orbit":null,"exoplanet":null,"sources":[]}