{"id":1928832,"slug":"lp-643-20","name":"LP 643-20","domain":"deep-sky","class":"star","otype":"WD*","otype_label":"WhiteDwarf","ra":354.28176842832914,"dec":0.5449423077972222,"coo_err_mas":0.1232,"coo_bibcode":"2020yCat.1350....0G","plx_mas":19.0875,"pmra":301.991,"pmdec":161.796,"rv_kms":null,"redshift":null,"dist_pc":null,"vmag":null,"bmag":18.0,"gmag":17.820517,"jmag":16.548,"kmag":null,"sp_type":"DA","morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":13,"simbad_oid":1386119,"gaia_dr3":2645946252315491200,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":0,"deep_at":null,"views":4,"first_seen":"2026-08-14T16:50:33.190276+00:00","updated_at":"2026-08-16T03:44:01.231316+00:00","identifiers":["2MASS J23370764+0032420","Gaia DR2 2645946252315491200","Gaia DR3 2645946252315491200","GALEX J233707.7+003243","GSC2U J233707.4+003240","LP 643-20","LSPM J2337+0032","NLTT 57399","SDSS J233707.63+003241.9","SDSS J233707.67+003242.2","SDSS J233707.68+003242.3","SDSS J233707.69+003242.4","TIC 422631628","USNO-B1.0 0905-00578328","WD 2334+002"],"measurements":[],"orbit":null,"exoplanet":null,"sources":[]}