{"id":1948329,"slug":"aco-991","name":"ACO 991","domain":"deep-sky","class":"galaxy-group","otype":"ClG","otype_label":"ClG","ra":155.6,"dec":18.9,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":25225.057,"redshift":0.088,"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":23,"simbad_oid":1710461,"gaia_dr3":null,"jpl_spkid":null,"ned_name":"SDSS J102223.33+185358.2","exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-08-28T01:24:00.379815+00:00","views":6,"first_seen":"2026-08-14T16:50:37.517913+00:00","updated_at":"2026-08-14T16:50:37.517913+00:00","identifiers":["ACO 991"],"measurements":[{"parameter":"radial_velocity","value":0.088,"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},{"parameter":"sed_flux","value":9.93e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"VI/137/gum_gal","source":"vizier","reference":"VI/137/gum_gal","ref_year":null}],"orbit":null,"exoplanet":null,"sources":[{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=ACO 991","fetched_at":"2026-08-28T01:23:54.629354+00:00"},{"source":"ned","url":"https://ned.ipac.caltech.edu/byname?objname=SDSS J102223.33+185358.2","fetched_at":"2026-08-28T01:23:55.938552+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=155.600000%20+18.900000&-c.rs=5","fetched_at":"2026-08-28T01:24:00.377721+00:00"}]}