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Table 1.

Observation log in 2019.

Telescope Start – End time Exposure
Mmm DD hh:mm:ss (UTC) (ks)
XMM-Newton/EPIC MOS1 Jun. 14 18:46:04 – Jun. 15 02:26:26 26.8
XMM-Newton/EPIC MOS2 Jun. 14 18:46:25 – Jun. 15 02:26:31 26.8
XMM-Newton/EPIC pn Jun. 14 19:23:42 – Jun. 15 02:30:37 24.9
XMM-Newton/OM (a) Jun. 14 18:54:26 – Jun. 15 02:29:47 25.5
MeerKAT Jun. 14 15:31:32 – Jun. 14 23:23:45 28.4

XMM-Newton/EPIC MOS1 Jun. 15 14:24:17 – Jun. 16 00:51:19 36.5
XMM-Newton/EPIC MOS2 Jun. 15 14:24:40 – Jun. 16 00:51:25 36.5
XMM-Newton/EPIC pn Jun. 15 15:01:55 – Jun. 16 00:51:39 34.4
XMM-Newton/OM (b) Jun. 15 16:56:13 – Jun. 16 00:24:40 25.1
MeerKAT Jun. 15 14:44:26 – Jun. 15 22:31:34 28.1

Swift/XRT Sep. 6 21:01:34 – Sep. 6 21:29:56 1.7
Swift/XRT Sep. 6 22:37:03 – Sep. 6 23:04:56 1.7
Swift/XRT Sep. 7 00:14:23 – Sep. 7 00:17:53 0.2
ATCA Sep. 6 22:36:30 – Sep. 7 07:09:20 30.8

Notes.

(a)

Seven exposures were acquired, with lengths ranging from 1.2 to 4.3 ks.

(b)

The OM observation started about 8 ks after the EPIC observation, due to an instrument anomaly. Seven exposures were acquired, with lengths from 1.2 to 4.0 ks.

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