[vsnet-grb-info 25061] LIGO/Virgo S200219ac: No counterpart candidates in KAIT observations

GCN Circulars gcncirc at capella2.gsfc.nasa.gov
Fri Feb 21 14:15:34 JST 2020


TITLE:   GCN CIRCULAR
NUMBER:  27160
SUBJECT: LIGO/Virgo S200219ac: No counterpart candidates in KAIT observations
DATE:    20/02/21 05:14:25 GMT
FROM:    Weikang Zheng at UC Berkeley  <weikang at berkeley.edu>

Sergiy Vasylyev, Yukei Murakami, Keto D. Zhang, WeiKang Zheng, 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-wave
event S200219ac (GCN 27130) 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 171 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 05:57:00, Feb.
20th UT, about 20.2 hours after the trigger, and the last image at
11:25:04 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(Feb20)  RA_J2000   Dec_J2000
-----------------------------------------------
G0799947  05:57:00  10:53:50.2514  +16:51:02.2464
G0649933  05:58:17  11:08:43.374   +29:13:26.0544
G0735397  05:59:28  11:10:24.906   +28:42:29.7396
G0587168  06:00:37  11:11:09.6276  +32:26:25.3392
G0584961  06:01:46  11:12:06.7054  +30:40:41.2572
G0599663  06:02:58  11:12:11.3525  +30:43:52.2696
G0559035  06:04:07  11:12:50.658   +30:03:32.7348
G0655611  06:05:16  11:12:53.8915  +28:48:42.9804
G1190111  06:06:27  11:14:36.7382  +31:49:26.742
G0643832  06:07:37  11:15:13.1945  +29:16:15.888
G0712497  06:08:46  11:15:28.5974  +31:47:56.1444
G0576641  06:09:57  11:15:29.3518  +35:10:56.1324
G0717203  06:12:18  11:17:14.4067  +29:31:13.9872
G0825338  06:13:29  11:17:51.8957  +36:07:23.808
G0688170  06:14:39  11:18:21.936   +32:43:19.5852
G0429937  06:15:48  11:18:25.3968  +31:24:39.5784
G0686309  06:16:57  11:18:59.381   +27:54:07.0092
G0661792  06:18:07  11:19:34.5667  +29:10:59.3364
G1447142  06:19:16  11:19:40.0709  +31:14:47.2164
G0707521  06:20:25  11:19:56.4845  +29:47:37.0788
G0630891  06:21:37  11:20:22.4194  +35:04:15.8448
G0803255  06:22:46  11:20:27.1217  +35:47:06.8496
G0607406  06:23:57  11:20:39.1663  +29:41:22.3044
G1029522  06:26:16  11:21:35.4274  +35:23:24.5076
G1008494  06:27:25  11:21:36.5698  +35:23:14.5068
G0576646  06:28:34  11:21:50.3357  +32:45:53.4636
G1261996  06:29:44  11:21:54.5765  +36:41:48.768
G0564448  06:30:53  11:22:38.2654  +32:43:54.48
G0656201  06:48:55  11:22:56.5027  +34:06:41.508
G0568693  06:50:10  11:23:10.697   +31:12:24.9012
G0645403  06:51:19  11:23:11.4403  +29:35:53.9988
G0678301  06:52:29  11:23:18.6329  +31:40:55.9308
G0484305  06:54:48  11:23:48.131   +30:05:35.8188
G0619705  06:55:57  11:24:39.1517  +32:22:09.0156
G0609884  06:57:07  11:25:08.8512  +33:26:20.4936
G0650045  06:58:18  11:25:24.5434  +31:53:53.9484
G1212973  07:00:37  11:25:49.4604  +36:01:17.9328
G0803244  07:01:47  11:26:04.1638  +35:20:36.0852
G0639433  07:02:57  11:26:52.7417  +36:27:46.3788
G0606379  07:04:06  11:28:41.5942  +38:44:52.3788
G0771638  07:05:15  11:29:02.0654  +34:11:06.8964
G1466571  07:06:25  11:29:09.7082  +36:21:54.9
G0759844  07:07:34  11:29:37.5622  +34:11:58.974
G1328301  07:08:43  11:29:46.692   +31:59:16.4796
G0387004  07:11:02  11:30:03.9403  +36:41:29.5692
G0405129  07:12:11  11:30:06.1488  +35:38:18.5856
G0667795  07:13:23  11:30:08.789   +37:11:23.568
G0873979  07:14:32  11:31:24.3823  +34:30:12.3048
G0943763  07:15:41  11:31:36.3134  +38:47:58.2252
G0513348  07:16:52  11:31:44.1686  +34:32:28.1508
G0559829  07:18:02  11:32:37.9138  +37:34:21.1872
G0843763  07:19:11  11:32:40.7374  +38:52:18.1884
G0877949  07:20:20  11:32:59.2822  +38:55:00.498
G0577120  07:21:30  11:33:17.3657  +38:55:25.3812
G0220960  07:22:39  11:33:39.2102  +36:04:17.4504
G0582149  07:44:35  11:34:10.8106  +31:49:21.0144
G0685324  07:45:46  11:35:28.8355  +36:37:32.3616
G0358128  07:46:56  11:35:43.3961  +33:37:20.4708
G0579900  07:48:07  11:36:11.8397  +38:50:57.4944
G1429004  07:49:16  11:36:40.3822  +32:52:38.4312
G0766814  07:50:28  11:37:17.3803  +42:02:42.9828
G0574437  07:51:38  11:37:24.6715  +39:22:37.884
G0823835  07:52:47  11:38:20.2258  +35:37:21.6228
G1111405  07:53:56  11:38:37.3572  +34:45:44.6184
G0697353  07:55:08  11:38:46.1242  +38:51:34.4376
G0740234  07:56:17  11:39:56.9054  +33:56:28.3884
G0589912  07:57:27  11:41:36.0828  +35:54:45.0648
G0663100  07:58:40  11:41:56.1437  +41:24:38.8008
G0584956  07:59:49  11:44:27.1546  +37:08:31.5636
G1068712  08:01:00  11:47:33.6804  +42:08:39.1596
G0792658  08:02:10  11:48:36.2806  +40:23:21.2388
G0722649  08:03:20  11:55:40.6824  +43:48:40.302
G0612554  08:04:29  11:57:55.7995  +43:49:34.0536
G0781483  08:05:53  12:05:28.4143  +51:28:47.8596
G0701120  08:07:02  12:09:23.2507  +50:56:48.246
G0633275  08:08:13  12:13:49.7863  +55:35:17.5056
G0619306  08:09:23  12:15:11.316   +54:38:01.4748
G0707243  08:12:06  12:18:42.1838  +53:59:49.6608
G0777269  08:13:15  12:21:26.4442  +50:28:06.1536
G0774106  08:14:25  12:21:35.028   +50:27:09.108
G0578847  08:15:34  12:22:52.0423  +54:24:35.9712
G0673609  08:16:43  12:24:51.317   +50:49:39.0108
G0694431  08:17:55  12:25:42.4622  +57:51:58.8672
G0478899  08:19:04  12:25:50.1122  +57:50:35.88
G0619755  08:46:52  12:27:56.3671  +52:31:24.4164
G0822671  08:48:01  12:28:47.3914  +51:15:55.4112
G0701420  08:49:10  12:29:27.1253  +56:06:29.052
G0822038  08:50:20  12:30:04.043   +55:44:36.0096
G0722728  08:51:29  12:30:12.1363  +56:42:07.9812
G0574919  08:52:38  12:30:12.6379  +53:59:37.9716
G0811040  08:53:48  12:30:26.3014  +55:28:09.8328
G0367866  08:54:58  12:31:17.8308  +57:49:48.8172
G0687685  08:56:05  12:31:50.2625  +58:21:28.9296
G0562569  08:58:24  12:33:58.6378  +55:20:20.0328
G0672674  08:59:34  12:34:48.4351  +56:17:39.1776
G0749623  09:00:43  12:34:56.5906  +53:31:54.4764
G1904449  09:01:53  12:35:50.9326  +55:53:44.1312
G0809862  09:03:03  12:35:55.349   +55:56:43.1124
G0643126  09:04:13  12:36:17.6844  +54:42:30.8736
G0696080  09:05:22  12:36:17.8015  +56:54:30.8916
G0608536  09:06:33  12:36:46.333   +55:42:03.078
G0558994  09:07:42  12:37:21.0718  +57:15:22.1364
G1708956  09:08:52  12:37:22.56    +57:15:25.524
G0599908  09:10:03  12:37:58.9306  +55:35:45.4092
G0728556  09:11:12  12:38:15.1171  +53:03:04.4208
G0662281  09:12:22  12:38:38.8037  +55:23:06.3636
G0804583  09:13:31  12:39:11.6234  +53:19:19.704
G0596517  09:14:40  12:39:47.688   +55:46:03.0324
G0777685  09:16:04  12:39:54.3677  +61:12:41.4072
G0571045  09:17:29  12:41:32.1826  +53:52:57.4392
G0583138  09:18:39  12:41:43.3483  +56:47:06.5472
G0571067  09:19:48  12:41:44.557   +56:43:54.534
G0779598  09:21:11  12:42:23.7158  +60:08:04.8696
G0570567  09:49:06  12:42:39.1003  +61:41:09.4524
G0554983  09:50:30  12:43:00.9559  +56:43:50.5956
G0609572  09:51:43  12:43:12.7661  +56:03:27.6408
G0722161  09:53:03  12:43:19.7827  +58:57:53.6148
G1473071  09:54:20  12:43:24.624   +56:38:02.6016
G0575799  09:55:48  12:43:51.599   +62:30:25.9416
G0608648  09:57:16  12:46:17.2486  +56:36:55.0512
G0789419  09:58:27  12:46:30.6775  +57:17:00.096
G0800488  09:59:45  12:46:47.5488  +54:53:15.0432
G0598413  10:00:56  12:47:07.7599  +54:59:18.7188
G0598541  10:02:08  12:47:10.8802  +55:04:40.7424
G0086390  10:03:39  12:47:15.3991  +62:28:53.04
G0819560  10:05:13  12:47:24.2614  +54:59:13.7472
G0783845  10:06:46  12:48:03.0542  +62:36:33.2676
G0617510  10:08:20  12:48:26.9825  +55:27:34.0596
G0810253  10:09:52  12:48:39.9281  +62:37:03.18
G0556824  10:11:11  12:48:40.6054  +59:16:31.71
G0774007  10:12:39  12:48:41.8543  +55:03:44.712
G0701233  10:14:00  12:48:55.3894  +57:57:24.7896
G1437692  10:15:22  12:48:58.385   +55:02:07.7856
G0795970  10:16:39  12:49:09.8364  +56:36:28.764
G0688939  10:17:59  12:49:23.3386  +58:25:15.6612
G0566932  10:19:25  12:49:46.8238  +54:47:51.0972
G0420902  10:20:38  12:49:47.5342  +55:30:49.0968
G0710929  10:22:16  12:51:11.9093  +63:49:57.3708
G0418402  10:23:28  12:52:08.335   +62:53:11.6664
G0793753  10:25:00  12:53:19.032   +57:04:07.302
G0797074  10:26:17  12:53:57.9859  +58:17:38.2164
G0610297  10:27:43  12:54:17.4427  +55:11:51.1188
G0741937  10:29:19  12:54:57.4769  +61:27:10.7568
G0752137  10:50:49  12:55:36.7457  +60:10:57.6552
G0792093  10:52:08  12:55:53.1847  +58:19:49.2852
G1463818  10:53:26  12:55:58.3483  +59:06:51.2316
G0644569  10:54:45  12:55:58.7292  +62:08:48.5952
G0763378  10:56:05  12:56:08.0016  +58:45:23.9364
G0501647  10:57:43  12:56:14.3299  +56:52:24.4236
G0764293  10:59:28  12:56:42.0593  +63:05:15.72
G0820710  11:00:41  12:58:20.7715  +61:30:39.33
G0581776  11:01:56  13:01:00.9706  +59:50:56.4504
G0668949  11:03:14  13:01:50.31    +58:19:35.6736
G0767564  11:04:35  13:02:06.6065  +65:47:45.096
G0811935  11:05:50  13:02:32.6734  +61:28:02.118
G0767619  11:07:01  13:02:39.0307  +62:29:39.084
G0558303  11:08:19  13:15:12.257   +62:19:34.932
G0734489  11:09:32  13:27:54.4738  +65:50:30.5772
G1293606  11:10:53  15:11:17.1422  +72:42:43.8516
G0585517  11:12:04  15:26:34.5264  +75:04:16.23
G0496591  11:13:22  15:46:32.915   +72:10:09.0804
G0769048  11:14:31  15:52:28.5974  +70:22:30.522
G1325595  11:15:40  15:53:58.1398  +71:58:43.0392
G1306470  11:16:53  15:54:03.0799  +71:57:24.4044
G1295408  11:18:02  15:55:04.2334  +74:54:29.3112
G1236558  11:19:11  15:57:26.5392  +74:18:58.8708
G1361437  11:20:23  15:57:30.1428  +70:41:20.796
G1849594  11:21:32  15:57:30.48    +70:41:20.544
G0716651  11:22:41  16:01:25.8802  +71:23:55.6656
G1132485  11:23:51  16:10:49.4093  +74:55:02.2152
G0774750  11:25:04  16:44:36.8957  +75:40:23.088



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