[vsnet-grb-info 23010] LIGO/Virgo S190718y: No counterpart candidates in KAIT observations

GCN Circulars gcncirc at capella2.gsfc.nasa.gov
Sat Jul 20 07:24:08 JST 2019


TITLE:   GCN CIRCULAR
NUMBER:  25109
SUBJECT: LIGO/Virgo S190718y: No counterpart candidates in KAIT observations
DATE:    19/07/19 22:22:54 GMT
FROM:    Weikang Zheng at UC Berkeley  <weikang at berkeley.edu>

Nachiket Girish, Sergiy Vasylyev, Keto Zhang, WeiKang Zheng,
Andrew Hoffman, Benjamin Stahl, 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 S190718y (GCN 25087; GCN 25107) 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 209 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 04:56:24, July
19th UT, about 14.4 hours after the trigger, and the last image at
11:34:24 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(July19)  RA_J2000   Dec_J2000
-----------------------------------------------
G0623381  04:56:24  19:20:57.4073  +43:07:57.2052
G0655708  04:57:39  19:36:18.7061  +37:48:07.0164
G1132664  04:58:57  20:11:08.335   +45:15:15.8904
G0172766  05:00:14  20:15:02.6366  +31:40:50.8296
G0419718  05:01:32  20:16:30.2345  +44:21:15.2244
G0673986  05:02:51  20:16:34.5043  +26:58:34.4244
G1298003  05:04:11  20:17:45.769   +45:50:47.634
G0287573  05:05:30  20:19:38.1226  +27:00:10.9368
G0998960  05:06:52  20:19:51.2474  +48:16:20.5572
G1457918  05:08:15  20:20:02.3364  +25:08:48.0444
G1243102  05:09:25  20:21:42.3341  +26:55:00.642
G0289368  05:10:46  20:24:08.1226  +46:28:07.7484
G0002313  05:12:08  20:24:20.2296  +27:03:49.9032
G0418118  05:13:27  20:24:50.8008  +43:02:35.0304
G0639498  05:14:46  20:28:28.8427  +25:43:24.1932
G0563453  05:15:55  20:28:35.0611  +25:44:00.1788
G0041653  05:17:15  20:28:44.9779  +45:41:01.1724
G0721807  05:18:37  20:29:05.9693  +24:42:22.5576
G0428552  05:19:50  20:29:39.463   +32:37:34.4892
G0312245  05:20:59  20:30:29.1065  +33:36:02.8224
G0645883  05:22:11  20:30:29.5531  +27:40:42.906
G0414637  05:23:22  20:30:43.7182  +33:00:07.9092
G1207128  05:24:33  20:37:17.7101  +25:31:37.7652
G1439906  05:25:45  20:38:34.4604  +34:03:23.3172
G0452646  05:26:56  20:38:46.6332  +28:18:13.9572
G1405973  05:28:06  20:39:22.0385  +27:42:40.7952
G1467496  05:29:15  20:39:22.8662  +29:33:27.792
G0217063  05:30:26  20:40:35.5738  +37:40:18.282
G1429059  05:31:37  20:40:46.6478  +30:07:10.6356
G0171171  05:32:49  20:42:15.6372  +37:40:31.4544
G0628332  05:52:51  20:44:09.7999  +33:59:41.5968
G0776012  05:54:03  20:45:56.9458  +28:31:56.0208
G0057545  05:55:14  20:46:38.9942  +36:31:22.7424
G1172157  05:56:23  20:49:25.6788  +33:20:57.714
G1117494  05:57:33  20:53:42.81    +37:56:12.0336
G0142750  05:58:48  20:57:57.7296  +41:06:53.3484
G1069636  05:59:57  21:00:42.2242  +39:53:22.6644
G0862987  06:01:07  21:05:12.3926  +40:46:35.4036
G1444432  06:02:16  21:06:54.9828  +39:55:27.264
G0233317  06:03:25  21:07:28.6963  +40:01:22.026
G1449915  06:04:35  21:08:52.7638  +42:14:50.964
G0175642  06:05:54  21:13:55.752   +51:17:37.68
G0416212  06:07:10  21:14:41.0669  +44:06:32.5836
G1086036  06:08:19  21:14:47.4756  +42:31:12.7308
G1474801  06:09:28  21:16:49.9291  +41:36:48.4164
G1054563  06:10:38  21:18:05.1929  +43:57:30.7512
G0959572  06:11:47  21:18:57.8978  +40:50:12.012
G0778794  06:13:03  21:20:30.066   +37:35:00.2292
G0002434  06:14:14  21:20:42.4805  +44:23:59.0712
G0705251  06:15:23  21:21:39.0454  +44:03:49.9572
G0003499  06:16:35  21:35:32.688   +35:23:54.168
G0636708  06:17:44  21:36:39.353   +35:41:40.8444
G0811558  06:49:28  19:21:10.0488  +43:56:44.3184
G0800990  06:50:37  19:21:31.9044  +43:59:43.4508
G0789501  06:51:47  19:22:31.9922  +44:03:38.5884
G0746609  06:52:56  19:29:59.7144  +43:28:28.8948
G1418181  06:54:18  20:02:49.8852  +49:19:11.2296
G0383988  06:55:29  20:19:01.4722  +44:31:54.642
G0210012  06:56:38  20:21:56.1694  +46:35:14.4024
G0348545  06:57:48  20:23:03.2959  +45:55:17.3208
G0446797  06:59:02  21:09:03.8964  +42:36:11.4624
G0415024  07:00:26  21:11:57.0557  +54:14:51.6228
G1149403  07:01:47  21:13:38.5253  +42:10:46.2972
G1060955  07:02:57  21:17:24.7558  +43:07:26.7312
G0044507  07:04:16  21:18:24.9902  +51:23:57.7104
G1111208  07:05:36  21:18:33.6475  +40:59:52.5696
G1116069  07:06:45  21:19:05.2882  +42:27:31.122
G1367883  07:07:54  21:20:58.5499  +38:03:24.3324
G0305271  07:09:06  21:23:06.7896  +43:29:21.3684
G0540762  07:10:15  21:25:36.1303  +47:42:24.3792
G1394842  07:11:26  21:26:50.0244  +38:12:04.698
G1407104  07:12:36  21:31:30.7764  +38:56:38.1552
G1112914  07:13:47  21:42:08.5913  +33:56:54.2364
G1243714  07:14:56  21:45:18.7279  +34:27:32.22
G0275039  07:16:06  21:49:28.3226  +36:06:06.0228
G0553168  07:18:56  21:53:38.8622  +32:47:28.77
G1460879  07:21:45  21:54:08.7305  +32:54:24.876
G0692325  07:51:02  22:01:07.3901  +16:33:50.1228
G0643019  07:52:24  22:04:40.1441  -16:57:46.3788
G0651982  07:53:46  22:05:40.8912  +16:47:06.72
G0717972  07:54:55  22:09:01.5161  +17:49:17.3136
G0663093  07:56:04  22:09:02.5634  +17:50:19.3164
G0695974  07:57:16  22:11:35.376   +25:51:51.7752
G0798670  07:58:29  22:21:47.6148  +25:19:13.008
G0687421  08:01:18  22:26:54.3677  +19:32:53.6532
G0693516  08:02:28  22:33:50.4785  +20:48:18.9972
G0684178  08:03:37  22:36:28.0298  +21:37:18.6276
G0644132  08:04:53  23:05:27.3706  +21:09:43.272
G0270067  08:06:04  23:18:43.3301  +22:52:26.8752
G0565999  08:07:13  23:20:05.669   +24:13:16.0356
G0657290  08:08:23  23:22:47.5416  +22:56:12.2064
G1269436  08:09:32  23:25:44.8169  +21:04:07.3704
G0873371  08:10:41  23:27:02.6806  +20:15:39.9024
G1089235  08:11:51  23:31:24.8071  +22:48:24.3108
G1453130  08:13:00  23:31:47.5416  +21:31:20.4528
G0635673  08:14:13  23:31:50.2368  +25:32:40.0164
G1460379  08:15:29  23:31:59.2382  +12:58:57.7092
G0507421  08:16:44  23:32:58.1762  +25:57:39.672
G0604275  08:17:54  23:34:05.4785  +22:59:00.0024
G1851005  08:19:03  23:34:49.2     +26:18:39.636
G0801572  08:20:19  23:34:55.2612  +14:17:31.074
G0940627  08:21:30  23:35:13.9452  +22:56:18.8592
G1428518  08:22:40  23:35:35.7934  +20:41:59.5356
G0616925  08:23:49  23:35:39.192   +21:04:39.5544
G0795523  08:24:58  23:36:38.9575  +20:48:06.1992
G0695340  08:26:08  23:36:39.7193  +21:06:07.2036
G1217882  08:47:45  23:36:56.9386  +23:11:07.2348
G0742036  08:49:01  23:37:05.3614  +15:55:58.242
G0717159  08:50:10  23:37:09.3163  +15:55:00.2604
G1458621  08:51:24  23:37:26.316   +09:07:37.1856
G0950103  08:52:39  23:38:00.6151  +20:57:22.05
G0251333  08:53:53  23:38:02.9371  +12:52:12.252
G0771275  08:55:06  23:38:26.9897  +04:48:05.0724
G0614282  08:56:22  23:38:42.2242  +21:30:03.8664
G0772475  08:57:33  23:38:50.603   +27:16:03.9072
G1135364  08:58:45  23:38:55.3418  +22:17:03.8904
G0588368  08:59:54  23:39:19.2408  +21:26:28.1832
G0988727  09:01:01  23:39:21.9653  +20:39:46.1808
G0821402  09:02:13  23:39:27.2167  +14:53:34.8
G0611611  09:03:24  23:39:32.3438  +21:25:59.1744
G1438609  09:04:34  23:39:41.7115  +20:11:58.992
G0744617  09:05:47  23:40:56.521   +14:15:57.5352
G0677365  09:08:12  23:41:08.6134  +24:46:49.4652
G1036668  09:09:21  23:41:13.4179  +22:11:59.028
G0126643  09:10:30  23:41:16.0913  +25:33:04.482
G0000538  09:11:48  23:41:19.4897  +04:01:02.82
G1459451  09:13:04  23:41:21.3574  +20:22:31.044
G1411478  09:14:18  23:41:32.2778  +09:04:31.8504
G1008913  09:15:29  23:41:33.2006  +19:57:11.0304
G0550014  09:16:41  23:41:37.5221  +15:05:06.2772
G0610839  09:17:56  23:41:49.1822  +27:42:09.2232
G1299685  09:19:05  23:41:56.1254  +26:16:02.2584
G1852081  09:20:15  23:41:59.52    +26:48:33.336
G1044821  09:21:24  23:42:03.6401  +27:33:56.412
G1080511  09:22:42  23:42:08.4595  +08:54:03.9456
G0952404  09:34:26  23:42:34.5118  +25:15:00.7776
G1185636  09:35:37  23:42:42.8393  +19:31:38.5392
G0710272  09:36:51  23:42:46.7506  +15:06:53.082
G1078365  09:38:00  23:42:53.2032  +11:46:11.4348
G0105565  09:39:45  23:42:59.2968  +66:09:59.2488
G0480035  09:41:27  23:43:24.4483  +28:30:17.6256
G0785556  09:42:43  23:43:42.019   +17:38:48.444
G0629698  09:43:54  23:43:49.6363  +28:20:21.0768
G0960135  09:45:08  23:44:31.56    +12:42:03.8268
G1108394  09:46:19  23:44:35.4931  +17:56:58.7112
G1894341  09:47:30  23:44:37.2     +27:48:33.264
G1358952  09:48:42  23:44:55.7592  +19:19:27.2568
G1168733  09:49:53  23:45:04.0063  +27:44:10.3092
G0940408  09:51:09  23:45:22.6246  +09:48:22.5612
G1006318  09:52:18  23:45:45.7836  +12:33:35.2728
G1338962  09:53:33  23:46:03.8525  +26:32:00.1212
G0802908  09:54:49  23:46:29.7216  +14:53:11.5584
G0839063  09:55:58  23:46:35.1708  +12:46:25.5612
G1058560  09:57:12  23:46:41.1401  +27:24:08.3196
G1410635  09:58:23  23:46:45.5786  +17:19:05.5704
G0888210  09:59:32  23:47:18.3766  +19:29:38.2056
G0715005  10:00:44  23:47:24.4409  +28:23:36.9132
G0858934  10:01:53  23:47:43.169   +25:33:55.0188
G0630787  10:03:03  23:47:43.1909  +27:25:38.0172
G0471437  10:04:18  23:47:46.2965  +33:26:36.672
G0990722  10:05:29  23:49:01.626   +27:56:58.6104
G0894456  10:06:41  23:49:07.9176  +34:00:26.0784
G0895955  10:07:50  23:49:31.465   +33:35:03.8148
G1437133  10:08:59  23:49:42.0924  +29:05:49.1712
G0685988  10:10:50  23:49:47.0434  +72:38:39.3792
G1080152  10:31:41  23:49:59.0551  +31:07:11.8596
G1308734  10:33:27  23:50:14.3921  +67:57:12.402
G0935229  10:35:19  23:50:18.684   +28:05:21.948
G1085319  10:36:29  23:50:19.2115  +32:33:31.9536
G0714419  10:37:38  23:50:33.9331  +28:59:53.6748
G0585103  10:39:33  23:51:21.4452  +71:31:51.348
G1010191  10:41:28  23:51:26.6676  +30:09:48.51
G0282338  10:42:37  23:51:31.3915  +30:51:19.4868
G1097041  10:43:52  23:51:58.8502  +19:13:49.818
G0149051  10:45:45  23:51:59.5459  +65:53:27.294
G0505505  10:47:35  23:52:09.8731  +31:16:35.6772
G0800525  10:48:45  23:52:26.0083  +33:25:06.006
G0946134  10:50:00  23:52:37.2583  +21:30:54.36
G0368788  10:51:51  23:52:44.0112  +64:53:44.1024
G0678233  10:53:41  23:52:44.773   +33:19:47.4312
G1024148  10:54:56  23:52:51.5844  +18:33:58.3812
G0923373  10:56:10  23:52:59.7655  +33:35:19.5252
G0966996  10:57:23  23:53:02.849   +18:35:50.4708
G0558238  10:58:32  23:53:13.4033  +10:53:41.3124
G0068137  10:59:48  23:53:44.0258  +31:55:51.456
G0797580  11:00:57  23:54:44.1797  +34:20:46.4388
G0347029  11:02:53  23:54:44.3335  +67:47:57.5664
G1329374  11:04:48  23:55:03.0835  +35:48:50.5764
G0133534  11:06:03  23:55:38.8769  +21:49:20.4456
G1422410  11:07:17  23:55:46.6406  +37:13:23.8152
G1215170  11:08:28  23:56:38.1811  +26:34:10.578
G1107920  11:09:37  23:56:50.2001  +19:18:57.4272
G1473772  11:10:51  23:57:00.8935  +33:44:57.5268
G1212312  11:12:02  23:57:03.0103  +25:06:39.4488
G1205490  11:13:11  23:57:17.5416  +26:37:02.5212
G0737131  11:18:18  23:58:03.5815  +16:30:05.1516
G0896765  11:19:27  23:58:05.581   +19:27:57.762
G1053887  11:20:38  23:58:29.3042  +34:11:27.7296
G1120484  11:21:48  23:58:30.0586  +33:56:33.7308
G0959684  11:22:57  23:58:31.7945  +32:22:22.7352
G0992266  11:24:08  23:59:08.1739  +24:51:37.3212
G1324056  11:25:20  23:59:26.9093  +31:23:13.4448
G1247305  11:26:29  23:59:36.0278  +33:28:36.5448
G1031217  11:27:45  23:59:37.6978  +20:06:50.0364
G0425462  11:28:54  23:59:41.4185  +21:13:17.0436
G1454476  11:30:05  23:59:44.3774  +32:22:22.5984
G0060927  11:31:15  23:59:47.1094  +36:58:15.6144
G1189490  11:32:24  23:59:56.7847  +32:54:26.6184
G0211687  11:34:24  23:59:59.4727  +65:09:27.9648



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