{"id":2860451,"slug":"pb-3644","name":"PB 3644","domain":"deep-sky","class":"star","otype":"WD*","otype_label":"WhiteDwarf","ra":217.15749838598,"dec":32.11109428333,"coo_err_mas":0.0537,"coo_bibcode":"2020yCat.1350....0G","plx_mas":4.3139,"pmra":15.37,"pmdec":-58.94,"rv_kms":5.6,"redshift":1.8679764e-05,"dist_pc":null,"vmag":null,"bmag":17.5,"gmag":17.545368,"jmag":null,"kmag":null,"sp_type":"DA","morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":13,"simbad_oid":8345651,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":0,"deep_at":null,"views":1,"first_seen":"2026-08-14T16:52:26.668170+00:00","updated_at":"2026-08-14T16:52:26.668170+00:00","identifiers":[],"measurements":[],"orbit":null,"exoplanet":null,"sources":[]}