TITLE: GCN CIRCULAR NUMBER: 21619 SUBJECT: LIGO/Virgo G298048: TOROS optical counterpart search DATE: 17/08/20 14:48:49 GMT FROM: Martin Bernoiz at TOROS Mario Diaz(UTRGV/CGWA), Diego Garcia Lambas(IATE), Lucas Macri(TAMU), Jose Luis Nilo Castellon To scan the LVC uncertainty region for G298048 we pointed to 14 targets covered in 6 pointings with telescope at La Serena, Chile, filter i, 2 sq deg FoV, 60s integration time. The pointing centers are: 14:00:52.21,-48:23:31.8,2000. 14:12:08.50,-52:43:29.8,2000. 14:06:20.01,-51:04:30.7,2000. 14:05:12.66,-53:17:24.3,2000. 14:19:17.56,-55:22:04.4,2000. 14:18:58.06,-57:59:06.6,2000. Targets covered: PGC141857 : 14:10:33.6,-52:19:02,20" ESO221-030 : 14:10:41.1,-52:11:04,20" PGC448694 : 14:10:37.0,-52:06:06,20" PGC166335 : 14:16:02.0,-53:43:00,20" PGC2800412 : 14:17:10.1,-55:32:39,20" ESO175-002 : 14:08:36.0,-53:21:10,20" ESO221-028 : 14:09:02.2,-51:10:08,20" ESO271-003 : 13:52:27.5,-43:52:53,20" PGC463082 : 14:03:29.3,-50:46:38,20" ESO221-035 : 14:16:04.6,-52:36:31,20" PGC141859 : 14:20:23.5,-55:04:08,20" PGC485499 : 14:03:11.9,-48:37:39,20" ESO271-005 : 13:56:08.4,-45:39:34,20" PGC166323 : 14:04:34.1,-52:41:50,20” The observations started on 2017-08-17T01:37:00 UT and ended on 2017-08-17T04:42:00 UT. Martin Beroiz (UTRGV) on behalf of the TOROS Collaboration.