[vsnet-grb-info 23034] LIGO/Virgo S190720a: No counterpart candidates in KAIT observations

GCN Circulars gcncirc at capella2.gsfc.nasa.gov
Sun Jul 21 08:48:44 JST 2019


TITLE:   GCN CIRCULAR
NUMBER:  25133
SUBJECT: LIGO/Virgo S190720a: No counterpart candidates in KAIT observations
DATE:    19/07/20 23:47:40 GMT
FROM:    Weikang Zheng at UC Berkeley  <weikang at berkeley.edu>

Keto Zhang, Shaunak Modak, Yukei Murakami, Thomas de Jaeger,
Benjamin Stahl, WeiKang Zheng, Emily Ma, 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 90% region of the gravitational-wavei
event S190720a (GCN 25115) 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 318 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 04:22:13, July
20th UT, about 4.2 hours after the trigger, and the last image at
12:09:17 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
-----------------------------------------------
G0791468  04:22:13  12:35:48.0286  +03:12:07.0884
G0125906  04:24:39  13:41:49.1419  +26:22:24.8844
G0640817  04:25:48  13:49:23.5656  +28:06:26.6076
G1812765  04:27:02  14:17:55.68    +35:27:45.612
G0768137  04:28:55  18:13:50.6616  +47:21:14.922
G0913903  04:30:04  18:14:33.5522  +45:47:17.754
G0054767  04:31:13  18:21:52.6978  +45:07:57.6588
G0899681  04:32:22  18:23:52.0385  +45:06:13.2876
G1226063  04:33:32  18:24:36.1157  +43:45:59.4756
G1138290  04:34:41  18:26:50.5298  +45:40:50.6784
G0112846  04:35:50  18:33:17.7247  +44:46:08.7456
G0986625  04:37:00  18:34:51.2182  +44:34:54.6672
G0353251  04:38:09  18:35:37.0973  +44:03:54.5868
G1042660  04:39:18  18:36:08.5106  +44:01:02.5392
G0353888  04:40:28  18:36:48.3473  +45:33:50.3424
G0306366  04:41:37  18:40:35.6616  +44:57:17.046
G0742096  04:42:46  18:44:02.417   +45:33:29.8116
G1464441  04:43:56  18:45:37.705   +44:14:28.95
G1205454  04:45:05  18:46:04.6582  +43:47:58.7616
G1333886  04:46:14  18:48:41.2207  +44:28:29.2656
G1328196  04:47:24  18:55:07.3169  +44:09:52.8228
G1173390  04:48:33  18:59:15       +43:39:52.8228
G0974803  04:49:42  18:59:22.8516  +42:16:18.8256
G1116882  04:50:52  19:01:49.2187  +43:17:06.1656
G1181911  04:52:01  19:02:06.3281  +42:43:21.1512
G1155855  04:53:10  19:02:08.5987  +41:18:57.4848
G1155065  05:14:01  19:03:45.8789  +40:56:28.7592
G1223008  05:15:10  19:04:19.087   +41:24:58.536
G1074284  05:16:19  19:05:58.0445  +40:03:12.15
G1080994  05:17:29  19:07:28.6378  +40:56:31.8084
G0636865  05:18:38  19:08:40.7666  +43:20:36.2364
G0971157  05:19:47  19:08:51.4819  +40:08:13.0236
G1164893  05:20:56  19:09:12.5758  +40:01:46.5528
G0315698  05:22:06  19:09:36.8628  +40:50:35.6316
G1331173  05:23:15  19:09:46.3843  +43:14:56.2524
G0024045  05:24:24  19:10:23.8183  +41:03:22.8636
G0067658  05:25:34  19:11:40.4004  +42:17:21.8076
G1147660  05:26:43  19:12:20.9839  +40:12:39.7728
G1030347  05:27:52  19:12:31.0327  +42:08:18.8196
G1410295  05:29:01  19:15:59.1504  +41:26:05.3592
G1325693  05:30:11  19:17:04.1676  +40:34:28.7112
G1438317  05:31:20  19:19:20.7862  +41:34:55.1208
G1168749  05:32:29  19:21:22.0166  +39:31:07.8132
G1250479  05:33:38  19:22:09.5287  +39:32:07.1952
G0318663  05:34:48  19:22:25.2101  +42:04:12.522
G1256949  05:35:57  19:22:44.004   +41:40:03
G0045746  05:37:06  19:22:44.37    +40:28:21
G1091198  05:38:22  19:23:13.3961  +39:53:38.364
G1161974  05:39:31  19:23:33.816   +39:09:51.6276
G0181691  05:40:40  19:26:30.6518  +40:56:41.3268
G0741517  05:41:50  19:26:40.8178  +41:23:28.4064
G0189318  05:42:59  19:27:10.525   +40:58:17.2236
G1296697  05:44:08  19:27:14.9194  +39:52:00.282
G1001883  05:45:17  19:27:23.4228  +41:26:19.3524
G0895653  05:46:27  19:27:34.9805  +40:23:16.3896
G0134051  05:47:36  19:27:45.3588  +41:44:34.3608
G0925927  05:51:07  19:28:01.8749  +38:26:55.4568
G0852461  05:52:16  19:28:08.2397  +37:54:20.4552
G1335344  05:53:26  19:29:51.6065  +39:13:15.258
G1304158  05:54:35  19:29:56.9604  +38:07:18.2568
G1319161  05:55:44  19:30:24.4337  +39:09:13.1076
G1199779  05:56:54  19:31:57.0703  +39:58:24.528
G1322242  05:58:03  19:32:04.0284  +37:29:05.5644
G1352322  05:59:12  19:32:15.293   +38:29:45.5676
G0062328  06:00:22  19:32:20.5445  +40:25:36.5484
G1120032  06:01:31  19:33:42.7589  +39:07:46.8912
G0922459  06:02:40  19:34:49.021   +40:54:13.698
G0861788  06:03:50  19:38:15.769   +37:43:34.3488
G1337227  06:04:59  19:39:21.8628  +39:54:32.4288
G0411359  06:06:08  19:39:45.9156  +38:37:55.1604
G1255199  06:07:18  19:44:12.4073  +40:33:58.5
G0133863  06:08:27  19:49:10.5175  +39:33:21.5172
G0213208  06:09:38  20:18:41.9532  +32:48:22.7808
G0086608  06:10:48  20:23:38.0419  +29:53:12.498
G1034159  06:11:57  20:24:39.5215  +29:45:25.7004
G0100937  06:13:06  20:25:24.3091  +32:11:26.0268
G0826512  06:14:16  20:28:08.2178  +28:29:57.0948
G1318315  06:15:31  20:28:27.4951  +27:07:46.1928
G1167022  06:16:40  20:30:18.3473  +29:57:51.6924
G0645883  06:17:50  20:30:29.5531  +27:40:42.906
G0519533  06:18:59  20:30:53.4449  +31:29:20.922
G0533475  06:20:08  20:31:18.479   +31:28:17.6484
G1396938  06:21:18  20:34:21.2549  +29:21:14.166
G0885775  06:22:27  20:35:00.7618  +30:06:50.634
G1398480  06:23:34  20:35:57.1582  +29:41:47.2092
G1283352  06:24:44  20:36:50.8154  +29:08:28.6656
G0688454  06:43:46  20:38:31.6699  +25:56:59.6256
G1155077  06:44:55  20:38:49.2041  +27:32:49.974
G0461444  06:46:04  20:40:12.3852  +28:46:50.8728
G1464466  06:47:14  20:40:22.7856  +29:37:50.4192
G1086957  06:48:23  20:41:00.4762  +29:16:33.4056
G0434947  06:49:32  20:41:29.8901  +29:56:40.4268
G1420966  06:50:41  20:41:58.9013  +27:52:02.7804
G1175217  06:51:51  20:43:34.7899  +25:11:12.3756
G1226816  06:53:00  20:43:35.6177  +27:22:22.3788
G1210131  06:54:09  20:43:53.3424  +27:32:19.4244
G0020090  06:55:18  20:44:55.5907  +26:56:46.3308
G1211794  06:56:28  20:45:14.1065  +25:28:07.7268
G1000980  06:57:37  20:45:14.165   +25:58:47.7228
G0916808  06:58:46  20:45:50.9765  +27:22:02.9856
G0776012  06:59:55  20:45:56.9458  +28:31:56.0208
G1405174  07:01:05  20:45:57.876   +24:56:57.03
G1010428  07:02:14  20:46:01.8091  +25:33:47.0448
G1327778  07:03:23  20:46:10.9937  +28:06:54.0684
G1345936  07:04:33  20:46:38.1446  +28:23:15.1692
G1280991  07:05:42  20:47:04.607   +25:29:55.0212
G1078443  07:06:51  20:47:04.7314  +28:41:03.0264
G1183351  07:08:00  20:47:53.2764  +26:44:53.2356
G1203205  07:09:10  20:47:56.4698  +27:59:12.2568
G1103778  07:10:19  20:47:59.502   +28:33:47.2788
G1058065  07:11:28  20:48:30.857   +24:04:50.466
G1373062  07:12:37  20:49:09.8878  +24:51:25.7796
G1415659  07:13:51  20:50:18.2446  +23:56:01.0896
G1425447  07:15:00  20:50:47.5634  +25:35:47.0652
G1250940  07:16:10  20:51:38.3129  +26:55:08.616
G1449925  07:17:19  20:52:02.3364  +25:48:05.6088
G0062132  07:22:46  20:52:04.8194  +23:16:58.0404
G1003347  07:24:02  20:52:28.601   +22:17:38.148
G1144469  07:25:11  20:53:47.7247  +23:59:02.1084
G0442057  07:26:20  20:55:33.4423  +21:50:52.6272
G0864537  07:27:30  20:55:33.9257  +26:26:29.166
G1458202  07:28:39  20:55:35.2001  +24:33:09.1584
G1248511  07:29:48  20:56:46.919   +22:09:19.5696
G1217595  07:30:58  20:57:06.6504  +22:09:46.1052
G0853367  07:32:07  20:57:07.9615  +22:40:31.1016
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G0617610  09:58:35  21:39:44.729   +11:51:06.6636
G0814074  09:59:44  21:40:11.5577  +12:36:38.5308
G0827909  10:00:53  21:40:38.6938  +11:43:21.6804
G1365386  10:02:03  21:40:44.5898  +08:43:41.682
G0739885  10:03:12  21:41:52.1998  +12:43:44.1912
G1174080  10:04:21  21:41:56.3818  +10:18:21.6468
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