{"id":2029843,"slug":"aco-1668","name":"ACO 1668","domain":"deep-sky","class":"galaxy-group","otype":"ClG","otype_label":"ClG","ra":196.00248999999997,"dec":19.285989999999998,"coo_err_mas":null,"coo_bibcode":"2020ApJS..246....2A","plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":18658.111,"redshift":0.0643,"dist_pc":null,"vmag":null,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":24.952,"size_min":24.952,"size_angle":32767.0,"nbref":133,"simbad_oid":2048520,"gaia_dr3":null,"jpl_spkid":null,"ned_name":"GalWCat19 0215","exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-09-11T20:28:07.910627+00:00","views":4,"first_seen":"2026-08-14T16:50:48.069180+00:00","updated_at":"2026-09-20T03:26:18.184858+00:00","identifiers":["1RXS J130346.7+191635","2MAXI J1304+192","ACO 1668","[AWK2020] 215","[B2017] 1611","BAX 195.9642+19.2653","MCXC J1303.7+1916","PSZ1 G322.81+81.51","PSZ2 G323.39+81.61","PSZRX G323.39+81.65","RBS 1210","RXC J1303.7+1916","RXGCC 480","RX J1303.7+1916","[S85] 229","[SPD2011] 2476"],"measurements":[{"parameter":"radial_velocity","value":0.064,"value_text":null,"unit":"km/s","err_plus":0.005,"err_minus":0.005,"band":null,"method":"z","source":"simbad","reference":"2022A&A...658A..59X","ref_year":2022},{"parameter":"radial_velocity","value":0.064,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"2022A&A...659A.126A","ref_year":2022},{"parameter":"radial_velocity","value":0.063902,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"2020ApJS..246....2A","ref_year":2020},{"parameter":"radial_velocity","value":0.0643,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"2016ApJ...819...63R","ref_year":2016},{"parameter":"radial_velocity","value":0.06355,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"2016MNRAS.460.1758H","ref_year":2016},{"parameter":"radial_velocity","value":0.0643,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"2000ApJS..129..435B","ref_year":2000},{"parameter":"radial_velocity","value":0.0644,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"1995ApJS...96..343Q","ref_year":1995},{"parameter":"radial_velocity","value":0.0649,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"1995A&AS..109..147B","ref_year":1995},{"parameter":"radial_velocity","value":0.0649,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"1991ApJS...77..363S","ref_year":1991},{"parameter":"redshift","value":0.06390215,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"ned","reference":"2020ApJS..246....2A","ref_year":2020}],"orbit":null,"exoplanet":null,"sources":[{"source":"ned","url":"https://ned.ipac.caltech.edu/byname?objname=GalWCat19 0215","fetched_at":"2026-09-11T20:28:02.270354+00:00"},{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=ACO 1668","fetched_at":"2026-09-11T20:28:00.973843+00:00"}]}