{"id":1590668,"slug":"bd-57-2490","name":"BD+57 2490","domain":"deep-sky","class":"star","otype":"s*r","otype_label":"RedSG","ra":333.92428041114,"dec":57.88502011856,"coo_err_mas":0.0204,"coo_bibcode":"2020yCat.1350....0G","plx_mas":0.2642,"pmra":-3.71,"pmdec":-3.064,"rv_kms":-60.58,"redshift":-0.00020205272,"dist_pc":null,"vmag":10.49,"bmag":12.95,"gmag":8.75162,"jmag":5.66,"kmag":3.85,"sp_type":"M0Iab","morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":5,"simbad_oid":120972,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":0,"deep_at":null,"views":13,"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":[]}