{"id":1601631,"slug":"hd-21540","name":"HD 21540","domain":"deep-sky","class":"star","otype":"*","otype_label":"Star","ra":52.61243713839001,"dec":47.06328011956,"coo_err_mas":0.0673,"coo_bibcode":"2020yCat.1350....0G","plx_mas":2.6651,"pmra":7.399,"pmdec":-6.466,"rv_kms":1.68705,"redshift":5.627409e-06,"dist_pc":null,"vmag":7.043,"bmag":7.132,"gmag":7.017858,"jmag":6.681,"kmag":6.675,"sp_type":"B8","morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":29,"simbad_oid":141687,"gaia_dr3":248849378638234368,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":0,"deep_at":null,"views":1,"first_seen":"2026-08-14T16:49:53.050273+00:00","updated_at":"2026-08-14T16:49:53.050273+00:00","identifiers":["2MASS J03302697+4703478","AG+46 346","AGKR 3067","ALS 19898","AP J03302697+4703478","BD+46 762","Cl Melotte 20 903","Gaia DR1 248849374338109184","Gaia DR2 248849378638234368","Gaia DR3 248849378638234368","GC 4157","GCRV 1923","GEN# +5.20200903","GSC 03316-01347","HD 21540","HGAM 230","HIC 16326","HIP 16326","PPM 46253","SAO 38887","SKY# 5288","TD1 2223","TIC 347569606","TYC 3316-1347-1","UBV M 40937","uvby98 520200903","WEB 3117"],"measurements":[],"orbit":null,"exoplanet":null,"sources":[]}