{"id":2001367,"slug":"hz-21","name":"HZ 21","domain":"deep-sky","class":"star","otype":"WD*","otype_label":"WhiteDwarf","ra":183.48443397748,"dec":32.94204405817,"coo_err_mas":0.0409,"coo_bibcode":"2020yCat.1350....0G","plx_mas":6.2642,"pmra":-101.022,"pmdec":30.208,"rv_kms":null,"redshift":null,"dist_pc":null,"vmag":14.688,"bmag":14.361,"gmag":14.639318,"jmag":15.351,"kmag":15.566,"sp_type":"DO1","morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":145,"simbad_oid":1905260,"gaia_dr3":4016474027321256704,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":0,"deep_at":null,"views":1,"first_seen":"2026-08-14T16:50:43.491428+00:00","updated_at":"2026-08-30T03:22:35.392566+00:00","identifiers":["1SWASP J121356.28+325631.6","2MASS J12135625+3256314","CBS 159","CSI+33-12114","EGGR 86","FB 88","Gaia DR2 4016474027321256704","Gaia DR3 4016474027321256704","GALEX J121356.3+325633","GEN# +6.20020086","GSC 02527-02161","HZ 21","LAMOST J121356.34+325633.0","PG 1211+332","SDSS J121356.22+325631.5","[TFW97] J121356.41+325630.90","TIC 359113258","UBV 10985","uvby98 620020086","WD 1211+332"],"measurements":[],"orbit":null,"exoplanet":null,"sources":[]}