{ "bibcode": "2020GCN.27322....1D", "body": "J.-G. Ducoin (IJCLab), S. Beradze (Iliauni), N. Christensen (Artemis), \nX. Zhang (THU), M. Prouza (FZU), M. Boer (Artemis), L. Eymar (Artemis), \nS. Karpov (FZU), A. Klotz (IRAP), M. Masek (FZU), K. Noysena (Artemis, \nIRAP), S. Antier (APC), A. Coleiro (APC), D. Corre (IJCLab), \nM. Coughlin (UMN), D. Coward (OzGrav-UWA), B. Gendre (OzGrav-UWA), \nP. Hello (IJCLab), D. A. Kann (HETH/IAA-CSIC), N. Kochiashvili (Iliauni),\nC. Lachaud (APC), N. Leroy (IJCLab), C. Thoene (HETH/IAA-CSIC),\nD. Turpin (AIM-CEA), X. Wang (THU)\n\nreport on behalf of the FRAM, TAROT and GRANDMA collaborations.\n\nWe performed tiled observations of LIGO/Virgo S200302c event with the \nFRAM-Auger, TAROT-Calern (TCA), TAROT-Reunion (TRE) telescopes.\n\nFRAM-Auger is located at Pierre Auger Observatory. TCA is located at \nCalern site at the Cote d'Azur observatory. TRE is located at Les \nMakes astronomical observatory. \n\nThe following table shows for each telescope: the delay in minutes \nfrom the trigger, which filter is used, the field of view of the \ntelescope in degrees and the typical limiting magnitude (AB mag) for a\ngiven exposure in seconds (s).\n\n+-------------+---------+----------+-----------+------------+\n| Telescope | Delay | Filter | f.o.v. | Limiting |\n| | [min] | | [deg] | Mag. |\n|-------------+---------+----------+-----------+------------|\n| FRAM-Auger | 60 | R | 1.0 x 1.0 | 18.0 (60s) |\n| TCA | 1051 | Clear | 1.9 x 1.9 | 18.0 (60s) |\n| TRE | 1016 | Clear | 4.2 x 4.2 | 17.0 (60s) |\n+-------------+---------+----------+-----------+------------+\n\nWe performed the following joint tiled observations [1] :\n\n+-------------+------------+------------+---------+---------+---------+\n| Telescope | TStart | TEnd | RA | DEC | Proba |\n| | [UTC] | [UTC] | [deg] | [deg] | [%] |\n|-------------+------------+------------+---------+---------+---------|\n| FRAM-Auger | 2020-03-02 | 2020-03-02 | 225.799 | -62.757 | <0.1 |\n| | 02:57:54 | 03:02:21 | | | |\n| FRAM-Auger | 2020-03-02 | 2020-03-02 | 226.286 | -61.784 | <0.1 |\n| | 03:02:55 | 03:07:22 | | | |\n| FRAM-Auger | 2020-03-02 | 2020-03-02 | 244.873 | -57.892 | <0.1 |\n| | 03:08:01 | 03:12:28 | | | |\n| FRAM-Auger | 2020-03-02 | 2020-03-02 | 236.685 | -60.811 | <0.1 |\n| | 03:13:04 | 03:17:31 | | | |\n| FRAM-Auger | 2020-03-02 | 2020-03-02 | 230.718 | -60.811 | <0.1 |\n| | 03:18:07 | 03:22:34 | | | |\n| FRAM-Auger | 2020-03-02 | 2020-03-02 | 232.707 | -60.811 | <0.1 |\n| | 03:23:09 | 03:27:36 | | | |\n| FRAM-Auger | 2020-03-02 | 2020-03-02 | 230.400 | -61.784 | <0.1 |\n| | 03:28:10 | 03:32:37 | | | |\n| FRAM-Auger | 2020-03-02 | 2020-03-02 | 227.929 | -62.757 | <0.1 |\n| | 03:33:11 | 03:37:38 | | | |\n| FRAM-Auger | 2020-03-02 | 2020-03-02 | 218.057 | -61.784 | <0.1 |\n| | 03:38:15 | 03:42:42 | | | |\n| FRAM-Auger | 2020-03-02 | 2020-03-02 | 222.171 | -61.784 | <0.1 |\n| | 03:43:17 | 03:47:44 | | | |\n| FRAM-Auger | 2020-03-02 | 2020-03-02 | 223.669 | -62.757 | <0.1 |\n| | 03:48:18 | 03:52:45 | | | |\n| FRAM-Auger | 2020-03-02 | 2020-03-02 | 232.457 | -61.784 | <0.1 |\n| | 03:53:21 | 03:57:48 | | | |\n| FRAM-Auger | 2020-03-02 | 2020-03-02 | 216.000 | -61.784 | <0.1 |\n| | 03:58:25 | 04:02:52 | | | |\n| FRAM-Auger | 2020-03-02 | 2020-03-02 | 228.343 | -61.784 | <0.1 |\n| | 04:03:30 | 04:07:57 | | | |\n| FRAM-Auger | 2020-03-02 | 2020-03-02 | 220.114 | -61.784 | <0.1 |\n| | 04:08:33 | 04:13:00 | | | |\n| FRAM-Auger | 2020-03-02 | 2020-03-02 | 221.538 | -62.757 | <0.1 |\n| | 04:13:35 | 04:18:02 | | | |\n| FRAM-Auger | 2020-03-02 | 2020-03-02 | 224.229 | -61.784 | <0.1 |\n| | 04:18:38 | 04:23:05 | | | |\n| FRAM-Auger | 2020-03-02 | 2020-03-02 | 210.829 | -60.811 | <0.1 |\n| | 04:23:41 | 04:28:08 | | | |\n| FRAM-Auger | 2020-03-02 | 2020-03-02 | 214.807 | -60.811 | <0.1 |\n| | 04:42:19 | 04:46:46 | | | |\n| FRAM-Auger | 2020-03-02 | 2020-03-02 | 226.740 | -60.811 | <0.1 |\n| | 04:47:23 | 04:51:50 | | | |\n| ----- | ----- | ----- | ----- | ----- | ----- |\n| TCA | 2020-03-02 | 2020-03-03 | 53.891 | 70.538 | 0.2 |\n| | 19:28:46 | 01:40:32 | | | |\n| TCA | 2020-03-02 | 2020-03-05 | 39.869 | 68.682 | 0.3 |\n| | 19:35:33 | 01:33:59 | | | |\n| TCA | 2020-03-02 | 2020-03-02 | 64.193 | 68.682 | 0.2 |\n| | 19:42:18 | 23:22:54 | | | |\n| TCA | 2020-03-02 | 2020-03-05 | 25.274 | 68.682 | 0.3 |\n| | 19:54:40 | 02:19:03 | | | |\n| TCA | 2020-03-02 | 2020-03-03 | 59.185 | 70.538 | 0.2 |\n| | 20:01:28 | 01:07:47 | | | |\n| TCA | 2020-03-02 | 2020-03-03 | 59.328 | 68.682 | 0.2 |\n| | 20:08:12 | 01:14:32 | | | |\n| TCA | 2020-03-02 | 2020-03-03 | 72.950 | 64.971 | 0.2 |\n| | 20:20:40 | 01:26:58 | | | |\n| TCA | 2020-03-02 | 2020-03-05 | 35.004 | 68.682 | 0.3 |\n| | 20:27:28 | 01:46:16 | | | |\n| TCA | 2020-03-02 | 2020-03-02 | 64.748 | 66.826 | 0.2 |\n| | 20:53:25 | 23:29:41 | | | |\n| TCA | 2020-03-02 | 2020-03-02 | 69.304 | 66.826 | 0.2 |\n| | 21:00:07 | 23:36:25 | | | |\n| TCA | 2020-03-02 | 2020-03-05 | 69.058 | 68.682 | 0.3 |\n| | 21:12:31 | 00:42:01 | | | |\n| TCA | 2020-03-02 | 2020-03-05 | 19.178 | 66.826 | 0.2 |\n| | 21:19:19 | 01:08:00 | | | |\n| TCA | 2020-03-02 | 2020-03-05 | 30.139 | 68.682 | 0.3 |\n| | 21:58:44 | 01:59:53 | | | |\n| TCA | 2020-03-02 | 2020-03-04 | 48.597 | 70.538 | 0.3 |\n| | 22:05:33 | 19:36:42 | | | |\n| TCA | 2020-03-02 | 2020-03-05 | 54.464 | 68.682 | 0.3 |\n| | 22:12:17 | 02:12:11 | | | |\n| TCA | 2020-03-02 | 2020-03-04 | 44.734 | 68.682 | 0.3 |\n| | 22:31:28 | 18:18:55 | | | |\n| TCA | 2020-03-03 | 2020-03-05 | 38.009 | 70.538 | 0.3 |\n| | 02:01:10 | 02:25:45 | | | |\n| TCA | 2020-03-03 | 2020-03-04 | 43.303 | 70.538 | 0.3 |\n| | 02:27:02 | 18:44:56 | | | |\n| TCA | 2020-03-03 | 2020-03-04 | 73.923 | 68.682 | 0.3 |\n| | 02:53:00 | 20:02:39 | | | |\n| TCA | 2020-03-03 | 2020-03-04 | 82.975 | 66.826 | 0.3 |\n| | 02:59:43 | 22:18:50 | | | |\n| TCA | 2020-03-03 | 2020-03-05 | 78.418 | 66.826 | 0.3 |\n| | 03:25:45 | 00:54:22 | | | |\n| TCA | 2020-03-03 | 2020-03-04 | 91.939 | 63.115 | 0.2 |\n| | 03:44:54 | 03:37:08 | | | |\n| TCA | 2020-03-03 | 2020-03-05 | 23.735 | 66.826 | 0.2 |\n| | 03:57:27 | 01:27:10 | | | |\n| TCA | 2020-03-03 | 2020-03-05 | 85.656 | 64.971 | 0.3 |\n| | 05:15:18 | 00:35:18 | | | |\n| TCA | 2020-03-03 | 2020-03-05 | 49.599 | 68.682 | 0.3 |\n| | 18:39:13 | 01:53:08 | | | |\n| TCA | 2020-03-03 | 2020-03-05 | 14.621 | 66.826 | 0.2 |\n| | 20:22:59 | 01:20:18 | | | |\n| TCA | 2020-03-03 | 2020-03-05 | 32.715 | 70.538 | 0.3 |\n| | 20:48:51 | 01:01:11 | | | |\n| ----- | ----- | ----- | ----- | ----- | ----- |\n| TRE | 2020-03-02 | 2020-03-02 | 226.452 | -45.000 | 0.3 |\n| | 18:54:05 | 19:00:22 | | | |\n| TRE | 2020-03-02 | 2020-03-03 | 230.000 | -65.455 | 0.4 |\n| | 19:13:14 | 00:19:30 | | | |\n| TRE | 2020-03-02 | 2020-03-03 | 226.286 | -36.818 | 0.5 |\n| | 19:51:28 | 20:44:29 | | | |\n| TRE | 2020-03-02 | 2020-03-03 | 220.645 | -45.000 | 0.3 |\n| | 20:04:43 | 01:10:37 | | | |\n| TRE | 2020-03-02 | 2020-03-03 | 231.429 | -61.364 | 1.4 |\n| | 21:59:10 | 18:05:12 | | | |\n| TRE | 2020-03-02 | 2020-03-02 | 214.286 | -61.364 | 1.2 |\n| | 22:12:21 | 22:18:44 | | | |\n| TRE | 2020-03-02 | 2020-03-02 | 205.714 | -61.364 | 0.7 |\n| | 22:31:04 | 22:37:21 | | | |\n| TRE | 2020-03-02 | 2020-03-02 | 256.154 | -53.182 | 0.7 |\n| | 22:44:19 | 22:50:42 | | | |\n| TRE | 2020-03-02 | 2020-03-02 | 237.447 | -57.273 | 1.0 |\n| | 22:56:37 | 23:02:55 | | | |\n| TRE | 2020-03-02 | 2020-03-02 | 249.231 | -53.182 | 0.8 |\n| | 23:09:53 | 23:16:10 | | | |\n| TRE | 2020-03-02 | 2020-03-02 | 223.636 | -40.909 | 0.4 |\n| | 23:22:10 | 23:28:27 | | | |\n| TRE | 2020-03-02 | 2020-03-02 | 234.545 | -40.909 | 0.4 |\n| | 23:35:23 | 23:41:46 | | | |\n| TRE | 2020-03-02 | 2020-03-02 | 238.065 | -45.000 | 0.3 |\n| | 23:47:39 | 23:53:57 | | | |\n| TRE | 2020-03-03 | 2020-03-03 | 218.182 | -40.909 | 0.3 |\n| | 00:00:52 | 00:07:15 | | | |\n| TRE | 2020-03-03 | 2020-03-03 | 231.429 | -36.818 | 0.4 |\n| | 00:26:27 | 00:32:50 | | | |\n| TRE | 2020-03-03 | 2020-03-03 | 245.455 | -40.909 | 0.3 |\n| | 00:38:43 | 00:45:00 | | | |\n| TRE | 2020-03-03 | 2020-03-03 | 257.143 | -61.364 | 0.4 |\n| | 20:51:24 | 20:53:24 | | | |\n| TRE | 2020-03-03 | 2020-03-03 | 267.273 | -40.909 | 0.5 |\n| | 22:58:53 | 23:05:16 | | | |\n| TRE | 2020-03-03 | 2020-03-03 | 214.468 | -57.273 | 0.5 |\n| | 23:22:03 | 23:24:03 | | | |\n| TRE | 2020-03-03 | 2020-03-03 | 233.766 | -28.636 | 0.5 |\n| | 23:30:59 | 23:37:22 | | | |\n+-------------+------------+------------+---------+---------+---------+\n\nTStart and TEnd refers respectively to the time of the first and last \nexposure for a given tile. Observations are not necessarily continuous\nin this interval.\nThe Probability refers to the 2D spatial probability of the GW skymap \nenclosed in a given tile.\n\nThese observations cover about 18.1% of the cumulative probability of \nthe LALinference skymap created on 2020-03-02 19:23:46 (UTC).\n\n\nThe coverage map is available at: \nhttps://grandma-\nowncloud.lal.in2p3.fr/index.php/s/XgtMhPRxcyL09gR/download?path=%2F&files=GRANDMA_S200302c_1583492088.svg\n\nNo significant transient candidates were found during our low latency \nanalysis [2,3].\n\nGRANDMA (Global Rapid Advanced Network Devoted to the Multi-messenger \nAddicts) is a network of robotic telescopes connected all over the \nworld with both photometry and spectrometry capabilities for Time-\ndomain Astronomy [2](https://grandma.lal.in2p3.fr/).\n\nDetails on the different telescopes are available on the GRANDMA web \npages.\n\n[1] M. W Coughlin et al., MNRAS 2019, https://doi.org/10.1093/mnras/stz2485\n[2] S. Antier et al., MNRAS 2019, https://doi.org/10.1093/mnras/stz3142\n[3] K. Noysena et al., ApJ 2019, arXiv:1910.02770", "circularId": 27322, "createdOn": 1583500882000, "email": "ducoin@lal.in2p3.fr", "subject": "LIGO/Virgo S200302c : No significant candidates in FRAM - TAROT - GRANDMA observations.", "submitter": "Jean-Gregoire Ducoin at LAL ", "eventId": "LIGO/Virgo S200302c" }