{"id":2623360,"slug":"usgc-u243","name":"USGC U243","domain":"deep-sky","class":"galaxy-group","otype":"GrG","otype_label":"GroupG","ra":144.49976,"dec":2.69372,"coo_err_mas":null,"coo_bibcode":"2018A&A...618A..81T","plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":6854.0264,"redshift":0.02313,"dist_pc":null,"vmag":null,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":22.0,"size_min":22.0,"size_angle":90.0,"nbref":5,"simbad_oid":5258049,"gaia_dr3":null,"jpl_spkid":null,"ned_name":"LDCE 0663","exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-09-26T23:41:25.841584+00:00","views":6,"first_seen":"2026-08-14T16:51:51.745621+00:00","updated_at":"2026-08-14T16:51:51.745621+00:00","identifiers":["[CHM2007] HDC 539","[CHM2007] LDC 663","[LH2011] 1876","[TKK2018] 3026","[TKT2016] 2693","USGC U243"],"measurements":[{"parameter":"distance","value":99.11,"value_text":null,"unit":"Mpc","err_plus":null,"err_minus":null,"band":null,"method":"redshift","source":"simbad","reference":"2007ApJ...655..790C","ref_year":2007},{"parameter":"radial_velocity","value":0.02313,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"2018A&A...618A..81T","ref_year":2018},{"parameter":"radial_velocity","value":6906.0,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"v","source":"simbad","reference":"2007ApJ...655..790C","ref_year":2007},{"parameter":"redshift","value":0.023036,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"ned","reference":"2008ApJ...685.1320C","ref_year":2008}],"orbit":null,"exoplanet":null,"sources":[{"source":"ned","url":"https://ned.ipac.caltech.edu/byname?objname=LDCE 0663","fetched_at":"2026-09-26T23:41:12.421434+00:00"},{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=USGC U243","fetched_at":"2026-09-26T23:41:10.978163+00:00"}]}