Аннотация:MASTER: IceCube 171106A follow up observations
MASTER Global Robotic Net observed the field of the IceCube EHE event IceCube-171106A Taboada et al. GCN 22105 (Lipunov et al. GCN #22945; also observed by Swift, see Keivani et al. ATEL #10942)
The IC171106A altitude at alert time (Date: 17/11/06 18:39:39.21 UT was
MASTER-IAC (Tenerife)
Alert Altitude(AA): 54.48
Sun Altitude (SA): -5.64
MASTER-SAAO (South Africa)
AA: 49.68
SA: -18.49
MASTER-Kislovodsk (Russia)
AA: 45.89
SA: -50.59
MASTER-Tavrida (Russia)
AA: 48.79
SA: -44.81
MASTER-Kislovodsk pointed to the IC 171106A at 2017-11-06 18:40:45UT, 66s after trigger time . There were 4 alert images:
Date,UT Exp mlim MASTERtube
2017-11-06 18:50:16 180 19.3 EAST
2017-11-06 18:47:06 180 19.3 EAST
2017-11-06 18:43:56 180 19.1 EAST
2017-11-06 18:40:45 180 18.9 EAST
then MASTER-Kislovodsk returned to Fermi trigger 531665037 inspection
MASTER-SAAO was pointed to IC 171106A at 2017-11-06 18:40:50UT 71s after trigger time Unfiltered limits of alert images are the following:
Date,UT Exp mlim MASTER_tube
2017-11-06 18:40:50 540 20.3 E
2017-11-06 18:40:50 180 19.9 E
2017-11-06 18:40:50 540 20.6 W
2017-11-06 18:40:50 180 20.2 W
2017-11-06 18:44:07 180 20.0 E
2017-11-06 18:44:07 180 20.2 W
2017-11-06 18:47:22 180 20.0 E
2017-11-06 18:50:38 180 20.0 E
2017-11-06 18:50:38 180 20.1 W
2017-11-29 18:44:51 180 19.4 E
2017-11-29 18:44:51 540 19.6 E
2017-11-29 18:44:51 180 19.1 W
2017-11-29 18:44:51 540 19.9 W
2017-11-29 18:49:52 180 19.0 E
2017-11-29 18:49:52 180 19.4 W
2017-11-29 18:53:56 180 18.9 E
2017-11-29 18:53:56 180 19.1 W
2017-11-29 19:11:09 540 19.8 E
2017-11-29 19:11:09 180 19.0 E
2017-11-29 19:11:09 180 19.4 W
2017-11-29 19:11:09 540 20.0 W
2017-11-29 19:17:27 180 19.1 E
2017-11-29 19:17:27 180 19.3 W
2017-11-29 19:24:21 180 19.1 E
2017-11-29 19:24:21 180 19.3 W
2017-11-29 19:30:27 180 19.0 E
2017-11-29 19:30:27 180 19.3 W
MASTER-IAC pointed to the IC 171106A at 2017-11-06 18:41:11UT 91.8s after trigger time. The Sun_Alt was -5.64, MASTER automatical alert planer knew MASTER-Kislovodsk and MASTER-SAAO alert observations, so MASTER-IAC followed Fermi inspection after sunset, and followed IceCube inspection on next day by usual inspect program
2017-11-07 19:33:49 540 20.0 E
2017-11-07 19:33:49 180 19.3 E
2017-11-07 19:37:42 540 20.0 W
2017-11-07 19:37:42 180 19.6 W
2017-11-07 19:37:36 180 19.4 E
2017-11-07 19:41:35 180 19.6 W
2017-11-07 19:41:35 180 19.4 E
2017-11-07 19:45:36 180 17.8 W
2017-11-07 19:49:45 180 18.7 E
2017-11-07 19:53:17 180 18.9 E
2017-11-07 19:53:17 180 18.0 W
MASTER-Tavrida started usual inspect program on 2017-11-13 19:03:59 UT
Date 2017-11-13,UT Exp mlim MASTER_tube
19:55:03 180 18.4 E
19:51:01 180 18.8 W
19:47:28 180 18.8 W
19:32:55 180 18.8 W
19:29:21 180 18.8 W
19:25:45 540 19.5 W
19:25:45 180 18.8 W
19:07:32 180 18.0 W
19:03:59 180 18.0 W
There is one BL Lac type object (Sowards-Emmerd+, 2005) J223810.3+072413 .