TITLE: GCN CIRCULAR NUMBER: 25179 SUBJECT: LIGO/Virgo S190727h: No counterpart candidates in KAIT observations DATE: 19/07/28 02:32:48 GMT FROM: Weikang Zheng at UC Berkeley Yukei Murakami, Shaunak Modak, Keto Zhang, Thomas de Jaeger, Benjamin Stahl, Andrew Hoffman, Nachiket Girish, WeiKang Zheng, and Alexei V. Filippenko (UC Berkeley) report on behalf of Lick/KAIT GW follow-up team: The 0.76-m Katzman Automatic Imaging Telescope (KAIT), located at Lick Observatory, observed the 90% region of the gravitational-wavei event S190727h (GCN 25164) 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 166 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 08:02:37, July 27th UT, about 1.98 hours after the trigger, and the last image at 12:30:34 UT. Our typical limiting mag is 19.0. No viable counterparts were identified and the analysis is ongoing. A full list of galaxies observed by KAIT is given below. GladeID UT(July20) RA_J2000 Dec_J2000 ----------------------------------------------- G0818262 08:02:37 00:00:06.371 +53:19:13.62 G1203758 08:03:52 00:00:13.9702 +51:55:08.6556 G1076663 08:05:02 00:00:17.5322 +53:09:52.6572 G0811321 08:06:11 00:00:22.105 +53:17:40.6464 G1300914 08:07:20 00:01:38.6659 +51:52:37.2648 G0244363 08:08:30 00:01:54.217 +53:15:26.2836 G0009676 08:09:39 00:02:48.8976 +53:53:13.974 G0567217 08:10:46 00:03:13.3178 +53:52:14.9772 G0776614 08:11:56 00:03:27.0797 +56:21:05.1588 G0053858 08:13:05 00:03:31.9903 +53:26:30.876 G0749731 08:14:14 00:03:38.3064 +51:46:40.4436 G0612592 08:15:24 00:03:51.3511 +51:43:37.5348 G0876890 08:16:33 00:05:13.4796 +53:39:05.8284 G0516166 08:17:42 00:05:27.7771 +53:44:51.8424 G0573585 08:18:52 00:05:34.2828 +53:37:52.8096 G0323132 08:20:01 00:06:09.7752 +54:09:57.7944 G1012532 08:21:10 00:07:02.6165 +54:35:34.944 G1024091 08:22:19 00:08:25.2883 +54:00:01.8 G0668270 08:23:29 00:08:31.0214 +53:01:49.1628 G1337350 08:24:38 00:08:36.4001 +55:41:11.814 G1282948 08:25:47 00:09:26.4521 +52:44:31.8336 G0279085 08:26:57 00:10:38.9335 +53:25:04.0404 G1437233 08:28:06 00:10:42.0216 +54:20:54.2112 G0568420 08:29:15 00:11:21.7159 +52:31:43.7124 G1013223 08:30:25 00:11:36.8186 +53:30:52.2 G0513356 08:31:34 00:12:04.5228 +52:33:24.264 G0851338 08:32:43 00:12:18.9274 +52:33:46.098 G1334038 08:33:53 00:14:10.3277 +52:53:48.5952 G1413339 08:35:02 00:20:37.2701 +52:10:10.4124 G0579706 08:36:11 00:27:28.434 +52:22:11.5716 G1135340 08:50:58 00:45:45.6506 +51:08:44.9664 G0962533 08:52:07 00:45:52.5593 +51:08:24.0252 G0671015 08:53:17 00:46:19.3781 +51:13:02.8308 G1132698 08:54:26 00:46:55.2682 +51:19:42.9924 G1447824 09:15:58 23:23:42.539 +50:55:52.9464 G0829771 09:17:07 23:23:50.2222 +51:50:17.0088 G0869566 09:18:14 23:24:59.5531 +51:28:13.5984 G0513188 09:19:24 23:26:29.0186 +54:05:39.3828 G1066675 09:20:33 23:26:32.0801 +54:11:17.3904 G1418129 09:21:42 23:27:18.9991 +52:22:13.1484 G1059922 09:22:52 23:27:43.2787 +50:09:39.294 G0315576 09:24:01 23:28:22.7563 +53:31:18.5376 G0302926 09:25:10 23:29:07.0531 +51:04:19.3728 G1317711 09:26:19 23:30:26.3378 +49:43:42.7944 G1443037 09:27:29 23:30:37.8955 +49:10:51.834 G0952589 09:28:46 23:32:01.0474 +48:58:50.8404 G1301847 09:29:56 23:32:27.0336 +50:12:14.5872 G0427950 09:31:05 23:32:54.4116 +53:26:57.7104 G0280991 09:32:14 23:32:59.5092 +50:34:22.6848 G0953905 09:33:24 23:33:04.1234 +50:34:15.6504 G0267103 09:34:33 23:35:01.919 +51:32:56.4144 G1021218 09:35:42 23:35:31.1426 +51:18:39.7404 G0108795 09:36:52 23:35:45.7543 +51:18:59.7348 G1026896 09:38:01 23:35:52.4707 +51:37:47.6868 G1414332 09:39:10 23:35:54.126 +49:04:22.6848 G0116210 09:40:22 23:36:46.5382 +54:57:35.7768 G0547479 09:41:31 23:36:54.2724 +50:32:05.8632 G1059481 09:42:38 23:37:19.519 +51:15:18.882 G1050452 09:43:47 23:37:29.663 +51:29:15.4212 G0902803 09:44:57 23:37:53.5474 +50:42:15.66 G0926195 09:46:06 23:38:15.0806 +50:59:17.4264 G1273061 09:47:15 23:39:34.38 +51:41:53.2032 G1277843 09:48:25 23:39:52.4633 +50:11:32.5356 G1045359 09:49:34 23:39:54.7339 +52:14:50.55 G0293944 10:03:26 23:40:04.6363 +50:24:48.5928 G0984243 10:04:43 23:40:15.4176 +55:38:30.4512 G1248577 10:05:52 23:40:49.9073 +53:18:26.7768 G0426389 10:07:12 23:40:53.1665 +50:47:32.7804 G0438847 10:08:21 23:41:17.9443 +50:57:54.2196 G1308375 10:09:31 23:41:35.8008 +51:33:50.2452 G1018485 10:10:40 23:41:38.4302 +51:51:15.2388 G0590548 10:11:47 23:42:26.3014 +51:18:56.4264 G0604212 10:12:57 23:42:40.481 +51:08:56.9688 G0287295 10:14:14 23:42:57.5244 +54:26:17.1852 G1285587 10:15:23 23:43:04.4825 +50:28:57.1188 G1367761 10:16:33 23:43:15.7764 +51:54:15.3576 G0155712 10:17:46 23:43:25.8838 +55:37:05.0196 G0268433 10:19:02 23:44:03.0835 +53:24:15.948 G0063108 10:20:13 23:44:06.8261 +54:34:04.4184 G0324054 10:21:29 23:44:33.4058 +52:35:30.0984 G0018188 10:22:40 23:46:05.713 +53:13:56.4708 G1181955 10:23:54 23:47:04.7974 +51:42:17.9532 G1131412 10:25:03 23:47:06.8114 +51:25:15.9636 G0951344 10:26:12 23:47:35.039 +50:56:25.6848 G0204034 10:27:24 23:47:37.6757 +52:59:07.7316 G0706125 10:28:35 23:47:42.7661 +52:13:30.7776 G1440932 10:29:47 23:47:49.4018 +53:25:51.834 G0102701 10:31:06 23:48:45.6226 +56:10:54.1812 G0021044 10:32:28 23:49:12.605 +51:38:29.0256 G0512499 10:33:51 23:49:20.1782 +57:03:30.4416 G1401133 10:35:13 23:49:24.463 +53:09:23.1192 G0941661 10:36:28 23:49:30.2198 +51:31:16.1364 G1261385 10:37:40 23:49:50.3393 +51:36:49.0212 G1249665 10:38:51 23:50:14.8315 +50:59:15.0936 G0103824 10:51:18 23:50:20.9472 +54:14:23.7732 G1188758 10:52:32 23:51:11.3525 +53:19:39.918 G1395349 10:53:43 23:51:14.7583 +53:53:09.9348 G1422602 10:54:55 23:51:21.5918 +53:24:51.2856 G0853098 10:56:06 23:51:24.5508 +54:15:55.9332 G0106206 10:57:24 23:51:35.2661 +52:21:34.3404 G0525892 10:58:39 23:52:09.1039 +53:54:25.6464 G0176297 10:59:57 23:52:13.3961 +51:33:25.7184 G0981419 11:01:08 23:52:14.1576 +51:20:57.714 G0619320 11:02:20 23:52:33.1421 +52:14:59.6688 G0972728 11:03:31 23:52:58.5646 +51:58:12.2664 G0615425 11:04:43 23:53:06.2402 +51:56:17.2644 G0528754 11:05:56 23:54:03.5155 +52:57:55.1808 G0657587 11:07:12 23:54:12.2534 +54:07:04.9656 G1251903 11:08:23 23:54:49.5336 +53:39:26.3736 G1290038 11:09:35 23:56:03.8378 +53:43:35.0616 G0576737 11:10:50 23:56:06.3574 +52:03:24.0588 G1153343 11:12:02 23:56:12.107 +52:31:55.0272 G1196753 11:13:13 23:56:12.4366 +52:32:04.0344 G1303397 11:14:25 23:56:53.3863 +51:43:31.9188 G1309285 11:15:50 23:56:57.6708 +56:03:05.3136 G0090940 11:17:06 23:56:57.942 +56:37:49.3068 G1223297 11:18:32 23:57:14.3189 +53:58:55.29 G1136725 11:19:47 23:58:12.6854 +52:35:04.7472 G0646306 11:21:00 23:58:30.5494 +52:02:41.9928 G1298568 11:22:12 23:58:55.9716 +51:48:31.0464 G0251071 11:23:27 23:58:57.7882 +53:54:29.2572 G0555350 11:24:41 23:59:20.4274 +53:14:30.5988 G0775841 11:25:56 23:59:43.8574 +51:54:16.7184 G1217402 11:27:20 23:40:28.4839 +53:04:48.666 G0831995 11:36:27 00:00:46.6106 +56:00:51.2928 G1334953 11:37:48 00:01:16.6786 +54:44:31.6428 G0940500 11:39:06 00:01:39.7975 +53:30:30.2796 G0268031 11:40:17 00:06:15.0806 +52:25:01.9668 G1438450 11:41:31 00:06:41.3861 +50:58:14.2428 G0855370 11:42:42 00:07:17.4802 +51:36:46.3572 G0441162 11:43:54 00:07:26.6489 +53:07:08.4252 G0905720 11:45:05 00:09:42.2878 +52:17:28.878 G0915466 11:46:17 00:10:03.7836 +51:43:12.7308 G0265819 11:47:28 00:10:27.5138 +52:18:44.1072 G1192960 11:48:39 00:11:07.9397 +52:03:13.7592 G0829815 11:49:51 00:11:28.5958 +52:28:09.6708 G1197851 11:51:04 00:11:31.3956 +50:57:04.644 G1142242 11:52:16 00:11:45.2431 +50:58:57.2664 G1385352 11:53:28 00:12:01.1513 +52:45:22.2732 G1172552 11:54:43 00:17:25.7508 +53:30:37.4364 G0972983 11:55:55 00:18:32.1881 +52:59:36.312 G1397419 11:57:06 00:19:23.0102 +53:32:23.1936 G1342514 11:58:18 00:19:31.0169 +53:29:00.2472 G1369289 11:59:31 00:21:13.9414 +52:10:06.3624 G1369269 12:00:43 00:21:47.2949 +52:19:04.2672 G0985731 12:01:54 00:22:56.0398 +51:31:22.8108 G1323469 12:03:06 00:23:38.1406 +53:13:05.0556 G0906819 12:04:17 00:23:40.0896 +52:55:53.0544 G1392490 12:05:29 00:24:21.5189 +52:04:37.02 G0381897 12:06:40 00:24:40.8425 +51:57:08.874 G1236402 12:07:52 00:25:40.2209 +52:45:25.5312 G0960409 12:09:03 00:26:48.4402 +52:38:57.5196 G0916498 12:10:15 00:27:18.9343 +52:22:04.6344 G0932257 12:11:27 00:27:29.9335 +52:33:14.6628 G0919796 12:17:27 00:27:37.2456 +52:05:47.7024 G0905270 12:18:39 00:28:11.7324 +52:14:15.5184 G0685045 12:19:50 00:29:32.4974 +51:50:57.5484 G1108582 12:21:02 00:29:37.6322 +52:01:11.5212 G1404391 12:22:13 00:30:31.9464 +51:39:50.2812 G1090367 12:23:25 00:32:07.0378 +52:03:32.2704 G1051791 12:24:36 00:32:29.6472 +51:17:34.2888 G1292533 12:25:48 00:32:42.6626 +51:37:08.562 G1290366 12:27:00 00:33:48.5784 +51:40:30.6552 G0941304 12:28:11 00:34:22.0123 +50:58:11.0424 G1072481 12:29:22 00:35:07.3786 +49:29:08.214 G0248155 12:30:34 00:36:43.4292 +49:25:29.64