{"id":2146693,"slug":"act-cl-j1521-8-0742","name":"ACT-CL J1521.8+0742","domain":"deep-sky","class":"galaxy-group","otype":"ClG","otype_label":"ClG","ra":230.4532,"dec":7.728,"coo_err_mas":5000.0,"coo_bibcode":"2022A&A...661A..38P","plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":13130.144,"redshift":0.0448,"dist_pc":null,"vmag":15.13,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":21.0,"size_min":21.0,"size_angle":0.0,"nbref":328,"simbad_oid":2695747,"gaia_dr3":null,"jpl_spkid":null,"ned_name":"SDSS J152148.79+074348.0","exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-09-29T21:51:57.726620+00:00","views":25,"first_seen":"2026-08-14T16:51:01.524842+00:00","updated_at":"2026-09-20T03:26:18.184858+00:00","identifiers":["1ES 1519+07.8","1RXS J152151.0+074221","2E 1519.4+0753","2E 3419","ACT-CL J1521.8+0742","[AWK2020] 262","[B2017] 2128","BAX 230.4583+07.7089","EXSS 1519.4+0753","MCXC J1521.8+0742","MKW 3s","NGC 5920 Group","PSZ2 G011.36+49.42","PSZRX G011.39+49.45","RBS 1488","[RRB2014] RM J152151.9+074231.7","RXC J1521.8+0742","RXGCC 604","RX J1521.8+0742","[SPD2011] 1047","SRGA J152148.8+074341","WBL 564","[WHL2009] J152151.9+074231","XCLASS 24740","[YIL2019] Cluster1521+07","Z 1518.8+0747"],"measurements":[{"parameter":"magnitude","value":15.13,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"V","method":null,"source":"simbad","reference":null,"ref_year":null},{"parameter":"radial_velocity","value":0.045,"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":0.0448,"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":0.045,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"2021A&A...652A..12K","ref_year":2021},{"parameter":"radial_velocity","value":0.044196,"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":0.04515,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"2019NatAs...3..844Y","ref_year":2019},{"parameter":"radial_velocity","value":0.045,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"2001ApJ...554L.129M","ref_year":2001},{"parameter":"radial_velocity","value":0.0442,"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":0.0434,"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}],"orbit":null,"exoplanet":null,"sources":[{"source":"ned","url":"https://ned.ipac.caltech.edu/byname?objname=SDSS J152148.79+074348.0","fetched_at":"2026-09-29T21:51:49.849344+00:00"},{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=ACT-CL J1521.8+0742","fetched_at":"2026-09-29T21:51:48.619018+00:00"}]}