{"id":1588139,"slug":"bd-42-3899","name":"BD+42 3899","domain":"deep-sky","class":"star","otype":"*","otype_label":"Star","ra":313.57645989382,"dec":42.64300571345,"coo_err_mas":0.0168,"coo_bibcode":"2020yCat.1350....0G","plx_mas":1.6505,"pmra":3.497,"pmdec":7.821,"rv_kms":-17.95,"redshift":-5.9872964e-05,"dist_pc":null,"vmag":9.29,"bmag":10.85,"gmag":7.821834,"jmag":4.924,"kmag":3.674,"sp_type":"M4III","morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":9,"simbad_oid":31600,"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":"2026-08-14T16:49:53.050273+00:00","updated_at":"2026-08-14T16:49:53.050273+00:00","identifiers":[],"measurements":[],"orbit":null,"exoplanet":null,"sources":[]}