{"id":2762113,"slug":"tyc-3557-1820-1","name":"TYC 3557-1820-1","domain":"deep-sky","class":"star","otype":"*","otype_label":"Star","ra":298.0321563712,"dec":45.55174005862,"coo_err_mas":0.0076,"coo_bibcode":"2020yCat.1350....0G","plx_mas":4.9477,"pmra":1.187,"pmdec":-1.957,"rv_kms":-6.83914,"redshift":-2.2812656e-05,"dist_pc":null,"vmag":12.1,"bmag":13.42,"gmag":12.106132,"jmag":10.811,"kmag":10.37,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":19,"simbad_oid":6879216,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":0,"deep_at":null,"views":2,"first_seen":"2026-08-14T16:52:10.958420+00:00","updated_at":"2026-08-14T16:52:10.958420+00:00","identifiers":[],"measurements":[],"orbit":null,"exoplanet":null,"sources":[]}