{"id":1827681,"slug":"aco-3998","name":"ACO 3998","domain":"deep-sky","class":"galaxy-group","otype":"ClG","otype_label":"ClG","ra":350.40874999999994,"dec":-41.8925,"coo_err_mas":null,"coo_bibcode":"2000AN....321....1S","plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":25498.504,"redshift":0.089,"dist_pc":null,"vmag":null,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":35,"simbad_oid":1149225,"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":"2026-08-14T16:50:24.480926+00:00","updated_at":"2026-08-14T16:50:24.480926+00:00","identifiers":["1E 2318.9-4210","1ES 2319-42.1","1RXS J232136.5-415341","2E 2318.8-4210","2E 4721","ACO 3998","ACT-CL J2321.5-4153","ACT-CL J2321.5-4154","BAX 350.4090-41.8924","[DBG99] 124","MARD J232122.2-415047","MCXC J2321.5-4153","PSZRX G348.32-66.45","PSZSPT J2321-4153","RBS 1990","RXC J2321.5-4153","RXC J2321.5-4154","SPT-CL J2321-4153"],"measurements":[],"orbit":null,"exoplanet":null,"sources":[]}