TITLE: GCN CIRCULAR NUMBER: 24289 SUBJECT: LIGO/Virgo S190426c: Lick/KAIT Follow-Up Observations DATE: 19/04/27 16:06:48 GMT FROM: Weikang Zheng at UC Berkeley WeiKang Zheng, Keto Zhang, Sergiy Vasylyev and Alexei V. Filippenko (UC Berkeley) report on behalf of the Lick/KAIT GW follow-up team: The 0.76-m Katzman Automatic Imaging Telescope (KAIT), located at Lick Observatory, observed the field of the gravitational-wave event S190426c (GCN 24237) detected by LIGO/Virgo. More than one thousand galaxies were selected from the Glade catalog V1.0 (Dalya et al., 2018, MNRAS, 479, 2374; http://aquarius.elte.hu/glade/) according to their priority score. KAIT observed 247 of them based on their priority scores and elevation visibility, with each clear-filter exposure time being 60 s. The first image was taken at 03:58:26, Apr. 27 UT, about 12.6 hours after the trigger, and the last image at 11:38:50 UT. Our typical limiting mag is 19.0. A transient was found in G1148595 (aka NGC3362), which was known as SN 2019cda. No other viable counterparts were identified and the analysis is ongoing. A full list of galaxies observed by KAIT is given below. GladeID UT(Apr. 27) RA (J2000) Dec ----------------------------------------------- G0183894 063314 11:11:53.490 -04:33:31.80 G0272256 060809 11:08:11.380 -01:37:58.30 G0395642 055233 12:11:00.490 -19:50:38.30 G0489265 040522 10:57:01.750 +02:24:28.60 G0548994 064600 11:12:59.190 -04:27:10.80 G0549630 084459 10:56:32.400 +08:44:36.20 G0553090 042510 11:03:11.040 -04:36:10.70 G0553090 080135 11:03:10.750 -04:36:10.60 G0553620 042031 11:02:58.740 +00:33:17.10 G0553620 075807 11:02:58.400 +00:33:17.00 G0553862 045632 10:49:11.720 +04:49:32.20 G0559959 090350 11:00:20.520 -07:05:55.70 G0562511 040631 10:58:31.320 +05:35:42.90 G0562677 045523 10:49:08.820 +04:51:46.80 G0565110 045414 10:48:48.930 +01:00:53.80 G0565949 090130 11:00:05.390 +01:04:42.00 G0566631 054903 11:55:27.330 -16:15:45.90 G0570385 072941 11:20:38.980 -08:36:52.50 G0572117 055741 11:07:17.360 -06:07:31.80 G0572117 080831 11:07:17.190 -06:07:32.20 G0572503 064451 11:12:47.450 -07:37:53.20 G0572760 052229 11:27:11.150 -11:15:14.60 G0573430 064341 11:12:47.060 -04:26:05.10 G0574754 044933 10:46:09.960 +04:50:34.20 G0575991 072611 11:19:32.690 -07:55:54.80 G0579510 045741 10:49:11.840 +04:53:44.80 G0580598 072022 11:18:54.000 -02:03:06.40 G0580886 085754 10:59:26.990 +04:06:52.60 G0585606 091828 11:36:28.050 -09:57:37.80 G0587735 035826 10:52:48.900 +03:40:35.60 G0587735 075328 10:52:48.950 +03:40:35.90 G0590130 062423 11:10:19.390 -00:57:29.70 G0590201 044006 10:40:04.890 +04:32:48.50 G0590201 051538 10:40:04.750 +04:32:48.60 G0590484 061357 11:08:36.810 -00:07:54.90 G0590484 082002 11:08:36.760 -00:07:54.30 G0590830 070000 11:15:38.320 -06:52:47.50 G0593995 044451 10:45:30.730 +02:15:52.80 G0594030 053141 11:40:29.620 -14:18:37.10 G0594729 052120 11:22:53.250 -10:35:01.20 G0596108 042950 11:05:19.920 -06:36:39.00 G0601147 053032 11:39:24.280 -13:11:22.80 G0606812 062314 11:10:19.570 -00:13:13.60 G0609002 052704 11:38:21.850 -13:16:55.90 G0609034 074336 11:24:39.240 -09:32:17.10 G0609179 085310 10:58:51.020 +07:56:26.20 G0609910 084938 10:57:46.520 +06:45:00.90 G0612118 052338 11:29:23.350 -11:28:41.20 G0612394 041222 11:00:13.940 -00:47:46.70 G0614729 041810 11:02:28.040 -04:22:26.50 G0614729 075546 11:02:27.830 -04:22:25.90 G0614900 063902 11:12:06.930 -06:42:07.50 G0616501 083537 10:52:57.090 -01:37:27.70 G0617323 060331 11:07:38.320 -01:35:59.60 G0617323 081306 11:07:38.250 -01:36:00.50 G0618318 041112 10:59:56.520 +01:20:00.40 G0623013 073859 11:23:26.420 -05:18:02.40 G0624899 040154 10:55:57.210 +00:20:57.30 G0626343 055850 11:07:28.740 -02:49:38.70 G0626343 080940 11:07:28.510 -02:49:38.50 G0626541 073531 11:22:03.470 -09:29:28.80 G0626921 074555 11:25:50.630 -08:54:09.50 G0628200 043526 10:34:54.430 +11:06:24.10 G0628200 051100 10:34:54.450 +11:06:24.50 G0628220 090615 11:01:12.890 -03:11:30.50 G0628851 083909 10:54:50.990 +00:14:02.00 G0632969 061725 11:08:45.040 -01:50:54.90 G0632969 082330 11:08:45.030 -01:50:54.00 G0634233 084129 10:55:43.340 +02:30:32.30 G0634535 074813 11:26:10.620 -09:08:49.70 G0635861 060113 11:07:37.230 -02:45:59.80 G0637766 060222 11:07:37.180 -02:49:25.80 G0637766 081159 11:07:37.280 -02:49:26.10 G0638543 052813 11:39:15.390 -13:31:53.00 G0638671 041442 11:01:32.170 +02:00:42.00 G0638963 073420 11:22:00.000 -04:39:50.60 G0639517 061248 11:08:31.140 +00:40:42.60 G0639517 081853 11:08:31.020 +00:40:41.70 G0640572 074445 11:24:47.290 -08:47:44.60 G0642533 060004 11:07:34.950 -00:48:14.60 G0642533 081050 11:07:35.010 -00:48:14.90 G0643033 064819 11:13:14.100 -05:51:32.60 G0643853 063423 11:11:57.340 -03:40:42.90 G0643892 045042 10:47:24.260 +07:28:55.80 G0644398 061139 11:08:28.370 +03:41:51.40 G0648171 040852 10:59:33.480 -04:26:35.90 G0648835 083316 10:52:30.000 +09:10:35.60 G0651799 073750 11:22:40.810 -04:38:37.00 G0652133 062904 11:10:55.840 -04:34:46.00 G0653686 070218 11:16:15.630 -05:25:05.10 G0655620 040303 10:56:03.430 -01:11:56.90 G0656169 090241 11:00:15.530 -03:38:13.20 G0656942 072243 11:19:28.640 -09:43:43.60 G0657266 085050 10:58:30.470 +00:41:51.90 G0657990 050915 10:52:14.890 +02:20:05.00 G0662103 042838 11:04:49.470 -00:42:22.80 G0662103 080503 11:04:49.340 -00:42:22.60 G0662104 070439 11:16:56.960 -02:16:34.90 G0662185 074227 11:24:02.990 -10:02:57.30 G0663137 085422 10:58:59.070 -03:11:54.10 G0663945 041001 10:59:38.490 -03:36:29.50 G0664356 084608 10:56:32.340 +04:21:00.90 G0666774 043855 10:39:38.940 +11:06:59.60 G0666774 051426 10:39:39.340 +11:07:00.80 G0668963 084239 10:55:58.800 +01:16:59.60 G0670041 084348 10:55:59.910 -00:52:07.50 G0670285 044340 10:44:31.400 +10:52:36.90 G0670531 050328 10:49:47.930 +04:12:16.50 G0671170 063530 11:11:59.740 -04:25:48.90 G0672325 060441 11:07:42.350 -04:50:51.60 G0672325 081416 11:07:42.330 -04:50:51.90 G0673700 050219 10:49:47.260 +04:12:49.20 G0675153 073640 11:22:37.580 -06:28:58.70 G0676039 050656 10:51:04.980 +01:41:47.50 G0676486 045151 10:47:34.530 +04:00:38.50 G0679815 040045 10:55:21.640 -00:28:06.50 G0681167 042140 11:03:02.320 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G0782431 061506 11:08:41.020 -03:17:10.80 G0782431 082111 11:08:41.090 -03:17:10.50 G0782924 050805 10:51:32.370 +00:39:01.70 G0785186 074008 11:23:38.550 -10:20:51.70 G0786363 041701 11:02:21.410 -01:14:39.40 G0786363 075437 11:02:21.420 -01:14:38.70 G0786634 055124 12:10:47.060 -19:08:09.60 G0790178 062053 11:09:29.050 -03:44:26.80 G0790178 082658 11:09:28.860 -03:44:27.40 G0791742 073159 11:21:26.650 -07:28:36.70 G0792779 050437 10:50:02.100 +02:46:50.70 G0796085 065256 11:14:03.010 -03:23:20.70 G0796285 053728 11:42:06.470 -12:50:31.60 G0797419 060659 11:07:44.820 -01:13:49.00 G0797419 081525 11:07:45.030 -01:13:49.60 G0798730 053400 11:41:01.030 -12:46:37.60 G0798801 072720 11:19:35.450 -04:54:41.60 G0800890 083427 10:52:45.910 +02:48:19.50 G0804096 071802 11:17:47.010 -08:22:50.80 G0805699 071913 11:17:58.550 -01:20:35.20 G0806101 045302 10:47:39.970 +11:39:46.30 G0807574 083648 10:53:08.290 +04:57:22.10 G0810723 065850 11:15:38.120 -05:24:44.00 G0811304 053835 11:42:17.440 -12:49:54.30 G0815282 090018 10:59:59.410 +06:25:06.40 G0822175 055631 11:06:37.290 -03:30:16.00 G0822175 080722 11:06:37.450 -03:30:14.20 G0822865 085533 10:59:05.490 +02:17:08.60 G0823787 085201 10:58:31.270 +06:33:23.10 G0845933 065741 11:15:30.800 -05:33:26.30 G0867712 091938 11:38:50.060 -09:28:51.20 G0915032 055012 12:00:03.340 -17:08:02.60 G0932849 055342 12:14:16.220 -19:20:41.40 G0958433 073308 11:21:39.860 -09:57:45.50 G0965443 064709 11:12:59.870 -06:50:25.90 G0979304 041922 11:02:38.370 +01:18:33.20 G0979304 075658 11:02:38.200 +01:18:33.40 G1032288 061944 11:09:16.340 -05:14:13.40 G1032288 082549 11:09:16.330 -05:14:13.00 G1052029 065521 11:14:36.820 -02:03:39.60 G1070206 070109 11:15:41.100 -03:55:12.30 G1086865 065632 11:15:11.260 -07:00:17.20 G1126327 070328 11:16:55.520 -07:23:22.60 G1148595 044823 10:45:51.860 +06:29:41.60 G1276417 072352 11:19:29.230 -06:28:55.00 G1278481 073050 11:20:50.830 -04:36:27.80 G1279248 074118 11:23:52.390 -09:07:42.10 G1342028 054754 11:54:24.840 -16:03:20.80 G1377676 075141 11:28:44.080 -06:55:21.00 G1420214 062202 11:09:54.380 -06:17:49.50 G1437959 065037 11:13:29.430 -06:04:50.20 G1640464 042620 11:03:13.500 -01:12:28.10 G1640464 080244 11:03:13.420 -01:12:28.10 G1642067 050000 10:49:42.600 +04:11:20.10 G1642147 065411 11:14:19.640 +02:26:29.00 G1642887 042251 11:03:03.470 -02:33:25.10 G1642887 075917 11:03:03.390 -02:33:26.10 G1645440 064928 11:13:22.450 -03:18:12.90 G1667542 062642 11:10:34.290 -03:46:19.10 [GCN OPS NOTE(27apr19): Per author's request, the "observed XXX" was changed to "observed 247".]