{"id":2651352,"slug":"sdss-j123957-56-282944-7","name":"SDSS J123957.56+282944.7","domain":"deep-sky","class":"quasar","otype":"QSO","otype_label":"QSO","ra":189.98984217725996,"dec":28.49576580016,"coo_err_mas":3.9862,"coo_bibcode":"2020yCat.1350....0G","plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":266265.9,"redshift":3.109,"dist_pc":null,"vmag":20.88,"bmag":21.11,"gmag":20.953123,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":11,"simbad_oid":5402731,"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":"2026-08-14T16:51:56.328251+00:00","updated_at":"2026-08-14T16:51:56.328251+00:00","identifiers":[],"measurements":[],"orbit":null,"exoplanet":null,"sources":[]}