{"id":3833603,"slug":"aco-2554","name":"ACO 2554","domain":"deep-sky","class":"galaxy-group","otype":"ClG","otype_label":"ClG","ra":348.0778,"dec":-21.5149,"coo_err_mas":null,"coo_bibcode":"2020ApJS..247...25B","plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":30905.95,"redshift":0.109,"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":102,"simbad_oid":17921333,"gaia_dr3":null,"jpl_spkid":null,"ned_name":"WISEA J231218.96-213057.8","exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-09-11T21:06:38.605688+00:00","views":5,"first_seen":"2026-08-14T16:54:35.861346+00:00","updated_at":"2026-09-20T03:26:54.426407+00:00","identifiers":["1RXS J231216.3-212935","2E 2309.6-2146","2E 4694","ACO 2554","ACT-CL J2312.2-2130","ACT-CL J2312.3-2130","APMCC 866","AqrCC 35","BAX 348.0630-21.5654","ClG 2309.8-2145","[F81] 424","MCXC J2312.3-2130","PSZ1 G041.51-66.77","PSZ2 G041.43-66.81","RXC J2312.2-2129","RXC J2312.3-2130","[S85] 470","[SDM2004] AQ J2312.2-2129","SPT-CL J2312-2130"],"measurements":[{"parameter":"radial_velocity","value":0.109,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"2020ApJS..247...25B","ref_year":2020},{"parameter":"radial_velocity","value":0.1108,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"2002AJ....123.1200C","ref_year":2002},{"parameter":"radial_velocity","value":0.1108,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"1998A&A...338..813W","ref_year":1998},{"parameter":"radial_velocity","value":0.109,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"1997MNRAS.289..263D","ref_year":1997},{"parameter":"radial_velocity","value":0.086,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"1994MNRAS.269..151D","ref_year":1994},{"parameter":"radial_velocity","value":0.106,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"1989ApJS...70....1A","ref_year":1989}],"orbit":null,"exoplanet":null,"sources":[{"source":"ned","url":"https://ned.ipac.caltech.edu/byname?objname=WISEA J231218.96-213057.8","fetched_at":"2026-09-11T21:06:29.716528+00:00"},{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=ACO 2554","fetched_at":"2026-09-11T21:06:28.306891+00:00"}]}