Skip to main content
Announcing GCN Classic Migration Survey, End of Legacy Circulars Email. See news and announcements

GCN Circular 25133

Subject
LIGO/Virgo S190720a: No counterpart candidates in KAIT observations
Date
2019-07-20T23:47:40Z (5 years ago)
From
Weikang Zheng at UC Berkeley <weikang@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
G1326683  07:33:16  20:57:13.1544  +26:19:38.4132
G1289187  07:34:25  20:57:36.9874  +26:09:32.7996
G1046650  07:35:35  20:58:14.2529  +24:54:34.0992
G1399446  07:36:44  20:58:37.7491  +22:33:08.766
G1457862  07:37:53  20:58:57.5904  +22:43:15.4524
G0024418  07:39:03  20:59:00.7325  +22:01:56.4564
G0851500  07:40:12  20:59:31.4354  +25:00:26.8056
G0349953  07:41:21  20:59:37.1851  +21:13:59.898
G0517855  07:42:31  20:59:57.1874  +25:07:11.118
G0328879  07:43:40  21:00:04.1969  +24:07:06.1608
G0841261  07:44:49  21:00:48.1934  +21:13:13.9332
G0887394  07:45:59  21:00:50.0026  +24:42:28.7244
G1379841  07:47:08  21:00:59.5531  +20:41:48.5304
G1282144  07:48:17  21:01:03.3031  +25:11:32.2908
G0439341  07:49:27  21:01:04.973   +20:38:44.556
G1284705  07:50:36  21:01:14.8682  +23:19:07.5756
G0847705  07:51:43  21:01:15.0878  +23:17:59.5716
G1304320  07:52:53  21:01:43.3522  +23:45:48.9708
G0837659  07:54:02  21:01:48.1421  +23:29:49.974
G1177607  07:55:11  21:02:41.6894  +22:43:13.8504
G1107026  07:56:21  21:02:41.9311  +22:15:26.8488
G1275042  07:59:51  21:02:48.1128  +24:40:02.5644
G1202091  08:01:00  21:02:55.7885  +22:47:27.8484
G1149309  08:02:09  21:03:01.787   +22:50:09.3624
G1213696  08:03:19  21:03:04.1676  +21:45:44.3916
G1145967  08:04:28  21:03:05.9911  +22:45:54.396
G1253366  08:05:37  21:03:10.415   +24:43:21.3924
G1108319  08:06:47  21:03:34.7167  +22:53:44.7468
G1100069  08:07:56  21:03:44.1211  +21:35:26.7612
G0164056  08:09:05  21:03:58.6963  +25:59:36.2292
G0139723  08:10:17  21:04:03.457   +20:43:43.788
G1262496  08:11:26  21:04:12.7882  +24:51:31.2696
G1073152  08:12:35  21:04:14.9047  +23:04:44.8356
G1034224  08:13:45  21:04:56.089   +20:58:02.7624
G0995459  08:14:54  21:05:05.9618  +20:55:32.5452
G1171042  08:16:03  21:05:14.3995  +22:20:34.5732
G1062903  08:17:12  21:05:22.8442  +22:53:11.5764
G1202347  08:18:22  21:05:38.0494  +20:24:22.5756
G0545399  08:19:31  21:06:26.5063  +21:16:17.688
G0929178  08:20:40  21:06:31.8898  +23:10:59.268
G1451963  08:21:56  21:07:14.4799  +19:07:33.6612
G1296250  08:23:05  21:08:15.5858  +24:33:35.3052
G1398951  08:24:17  21:08:16.1352  +18:05:55.3596
G1069280  08:25:28  21:08:46.5161  +23:31:03.9684
G1203055  08:26:37  21:08:46.6699  +21:47:35.97
G0901252  08:27:47  21:09:30.8789  +23:26:36.9096
G1205282  08:28:56  21:09:30.8935  +19:09:11.9124
G0331434  08:30:05  21:09:49.021   +19:43:05.3292
G1408358  08:31:14  21:09:58.6085  +22:44:27.2868
G0203366  08:32:26  21:10:18.5009  +17:43:15.258
G1250816  08:33:35  21:10:42.9274  +21:45:52.308
G1242799  08:36:53  21:10:57.3266  +18:57:59.3496
G0259501  08:38:03  21:11:01.7359  +21:27:12.3552
G1405412  08:39:12  21:11:25.2466  +18:30:02.8224
G1009351  08:40:27  21:11:27.3048  +18:00:25.8264
G0888752  08:41:37  21:11:37.4779  +20:52:20.586
G1080147  08:42:46  21:11:50.5298  +20:59:55.68
G1391634  08:43:55  21:11:54.9535  +18:33:12.6936
G0847078  08:45:05  21:11:58.8427  +20:01:43.7052
G0288824  08:46:14  21:12:05.603   +21:28:07.7052
G1334362  08:47:23  21:12:36.2842  +22:35:47.6844
G1195858  08:48:33  21:12:59.5752  +21:14:36.1932
G1178742  08:49:42  21:13:07.0824  +21:41:38.2092
G0851960  08:50:53  21:13:29.6484  +16:53:48.4692
G1398946  08:52:02  21:13:54.3017  +18:55:22.8684
G0353352  08:53:12  21:13:54.4848  +19:22:10.8768
G0372182  08:54:21  21:14:00.1464  +17:03:38.6676
G1328829  08:55:30  21:14:11.2207  +19:10:40.8792
G1462570  08:56:40  21:14:32.8418  +18:39:24.6024
G1301461  08:57:49  21:15:05.0318  +17:26:53.7072
G1067663  08:58:58  21:15:17.0508  +21:58:15.8088
G0539495  09:00:08  21:15:31.0399  +20:24:01.872
G0980848  09:01:17  21:15:51.9434  +17:58:45.3144
G1106349  09:02:26  21:15:58.1762  +21:31:14.3688
G0845082  09:03:35  21:16:06.372   +19:02:01.4136
G0856636  09:04:45  21:16:16.3697  +19:01:38.568
G0381768  09:05:54  21:16:22.9834  +16:54:24.7536
G0522663  09:07:03  21:17:12.0043  +18:16:42.7008
G1404256  09:08:13  21:17:30.9742  +17:51:56.5884
G0421987  09:09:22  21:17:37.566   +18:36:03.8124
G1055764  09:10:31  21:18:15.8863  +19:10:29.4276
G1108527  09:14:02  21:18:45.2856  +19:19:00.1668
G0866592  09:15:11  21:19:09.8364  +19:42:45.5832
G1051237  09:16:20  21:19:55.6567  +19:27:57.384
G0535387  09:17:30  21:20:16.0766  +18:37:37.4304
G0360055  09:18:39  21:20:30.1025  +18:59:18.4704
G1199483  09:19:48  21:20:48.8671  +21:37:55.5852
G0206799  09:20:58  21:21:17.9957  +19:35:17.9736
G1394804  09:22:07  21:23:25.9862  +17:47:43.044
G1024256  09:23:16  21:23:47.0654  +17:22:30.3996
G1360704  09:24:26  21:24:10.5175  +18:08:38.5332
G0363680  09:25:35  21:25:45.2784  +16:11:04.1316
G0379493  09:26:42  21:27:04.3505  +15:46:20.4564
G0137254  09:27:52  21:28:55.7738  +13:02:12.9552
G0809242  09:29:01  21:29:18.5669  +11:12:04.0248
G1107605  09:30:10  21:30:39.6607  +12:59:55.842
G1065852  09:31:20  21:30:56.8286  +15:39:35.6616
G0651288  09:32:29  21:31:07.7856  +11:28:26.7096
G1142708  09:33:38  21:31:52.0824  +13:37:53.3064
G0784390  09:34:48  21:32:01.5014  +11:19:03.0792
G0480616  09:35:57  21:32:46.8091  +11:13:04.44
G0630340  09:37:04  21:33:11.1036  +10:38:39.3936
G1274764  09:38:16  21:33:18.7207  +15:46:42.4488
G0777309  09:39:25  21:33:35.8668  +11:25:19.4628
G0600808  09:40:32  21:33:40.6274  +11:28:12.4716
G0919428  09:41:42  21:33:55.3858  +12:18:36.9468
G1313069  09:42:51  21:34:12.649   +13:54:32.2308
G1102924  09:44:00  21:34:16.8677  +13:35:41.2584
G0818776  09:45:10  21:37:21.4819  +10:41:29.8104
G1076544  09:46:19  21:37:23.9942  +14:11:02.6988
G0885524  09:47:28  21:37:34.3505  +13:28:41.754
G0946565  09:49:20  21:38:31.3843  +10:59:42.5724
G0713861  09:50:29  21:38:31.6625  +10:36:22.5756
G0823271  09:51:39  21:38:38.0347  +11:18:42.5844
G0547376  09:52:48  21:38:50.6251  +13:39:54.5652
G0629106  09:53:57  21:39:11.88    +11:56:21.0516
G1371408  09:55:07  21:39:20.0976  +10:32:27.0528
G0625902  09:56:16  21:39:33.9845  +10:29:00.6684
G1187808  09:57:25  21:39:36.9727  +13:47:27.294
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
G0710921  10:05:31  21:42:03.5009  +10:17:21.6564
G1100053  10:06:40  21:42:27.6197  +13:34:42.3768
G1445358  10:07:51  21:42:38.2104  +06:41:59.0784
G1146150  10:09:00  21:43:31.128   +10:12:43.1352
G0184417  10:10:10  21:43:40.4076  +07:54:48.1284
G0419434  10:11:19  21:43:50.2442  +07:30:43.8552
G1260324  10:12:28  21:44:16.4501  +10:48:15.4224
G1093626  10:13:38  21:45:53.2471  +09:23:06.0828
G0502143  10:14:47  21:46:04.519   +10:54:36.072
G1047291  10:15:56  21:46:13.2569  +06:52:29.8092
G0956643  10:17:06  21:46:22.1045  +09:40:29.856
G0294889  10:18:15  21:46:32.1314  +10:43:40.8972
G0721473  10:19:22  21:47:01.853   +11:14:49.7328
G0633934  10:20:32  21:48:17.9297  +12:09:05.256
G0178052  10:21:41  21:48:42.5465  +07:43:49.4472
G0408351  10:22:54  21:48:46.9409  +10:39:05.4612
G1154563  10:37:54  21:49:04.0795  +08:51:08.4744
G0938554  10:39:01  21:49:08.723   +07:43:06.3552
G1138762  10:40:11  21:49:12.085   +07:40:51.3588
G1446033  10:41:20  21:49:27.4438  +08:23:04.3548
G1161020  10:42:29  21:49:41.7262  +08:26:00.6432
G0796496  10:43:39  21:49:44.9194  +12:12:44.5356
G0523212  10:44:48  21:50:13.2348  +09:07:56.8128
G0952760  10:45:57  21:50:32.9736  +07:39:22.8636
G0940650  10:47:07  21:50:37.6392  +08:22:20.8776
G0990709  10:48:16  21:51:17.2046  +07:26:25.9764
G1373729  10:49:25  21:52:01.2744  +07:06:32.166
G1406490  10:50:34  21:52:08.3203  +09:55:28.1676
G1387402  10:51:44  21:52:11.023   +09:39:15.1704
G1081301  10:52:53  21:52:20.603   +08:42:37.1592
G1013509  10:54:02  21:52:37.0238  +06:40:49.5408
G1000771  10:55:12  21:52:41.814   +09:16:05.5524
G1178167  10:56:21  21:52:50.5956  +09:07:59.5704
G0111622  10:57:28  21:52:54.5947  +08:19:24.5748
G0203578  10:58:38  21:52:58.5646  +08:43:24.5784
G1159909  10:59:47  21:53:17.8272  +08:57:08.1324
G1416985  11:00:56  21:53:29.3628  +07:38:41.1324
G1220897  11:02:05  21:53:32.7173  +08:35:13.1532
G0848339  11:04:24  21:54:09.331   +07:09:13.9932
G0844609  11:05:33  21:54:12.0118  +07:25:55.9992
G1141072  11:06:43  21:54:43.7182  +03:49:13.5624
G1213072  11:07:56  21:54:43.938   +08:31:04.4796
G1204885  11:09:06  21:55:00.6593  +05:20:29.5908
G1094382  11:10:15  21:55:07.0459  +07:24:42.6636
G1091392  11:11:24  21:55:28.8648  +07:18:03.2904
G1075008  11:29:05  21:56:09.4994  +06:32:05.7696
G0900540  11:30:15  21:56:10.9205  +03:36:26.3772
G0135765  11:31:24  21:56:26.5502  +06:24:09.414
G1254229  11:32:33  21:56:56.4038  +07:32:08.9592
G1069799  11:33:43  21:56:59.6558  +06:37:42.9636
G0899039  11:34:52  21:57:13.9747  +04:02:11.8068
G1476663  11:36:01  21:58:00.4176  +07:00:24.4656
G1475509  11:37:11  21:58:08.8769  +07:09:26.4816
G0436409  11:38:20  21:58:37.0973  +04:14:32.91
G0891799  11:40:37  21:59:44.8169  +02:20:24.9936
G1053187  11:41:46  22:00:50.5298  +04:45:55.7532
G0845081  11:44:04  22:01:15.1246  +01:50:50.2008
G1003217  11:45:14  22:02:03.6475  +04:17:54.1392
G1338511  11:46:23  22:02:08.8037  +06:18:44.532
G1458653  11:47:34  22:03:39.2066  +01:19:18.1632
G0321474  11:49:53  22:04:00.2124  +02:28:18.0948
G0316050  11:51:00  22:04:01.6186  +02:25:15.0996
G0771894  11:52:10  22:05:08.9429  +00:58:31.332
G1022509  11:53:19  22:05:34.3286  +01:32:42.9072
G1113127  11:54:26  22:05:37.1851  +02:11:37.9104
G0720183  12:00:13  22:07:53.628   +00:18:11.0304
G0820880  12:01:22  22:08:04.475   +01:08:06.0468
G0094454  12:09:17  22:10:33.2959  +01:31:33.2904
Looking for U.S. government information and services? Visit USA.gov