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GCN Circular 30822

Subject
GECAM observations of bursts from SGR J1935+2154 (2021-09-11T07 to 2021-09-12T08)
Date
2021-09-12T14:39:57Z (5 years ago)
From
Wangchen Xue at IHEP <xuewc@ihep.ac.cn>
W. C. Xue, S. L. Xiong, C. Cai, Y. Huang, Z. W. Guo, C. Y. Li, X. B. Li,
J. C. Liu, X. Y. Song, C. W. Wang, P. Wang, S. L. Xie, S. Xiao,
Q. B. Yi, Y. Q. Zhang, G. Y. Zhao, X. Y. Zhao, Y. Zhao, C. Zheng, W. Chen,
Y. Q. Du, D. Y. Guo, J. J. He, J. Liang, F. J. Lu, Q. Luo, X. Ma,
W. X. Peng, R. Qiao, L. M. Song, J. Wang, H. Wu, P. Zhang, S. N. Zhang, 
X. L. Zhang, Z. Zhang, S. J. Zheng (IHEP), report on behalf of GECAM team:

GECAM-B detected a series of bursts very probably from SGR J1935+2154,
either by in-flight trigger or by on-ground search of the data, from
2021-09-11T07 to 2021-09-12T08. Here is the list of these bursts:

Trigger Time (UTC)
2021-09-11T07:15:04.000
2021-09-11T16:35:46.500
2021-09-11T16:36:57.900
2021-09-11T16:38:01.050
2021-09-11T16:39:21.000
2021-09-11T16:50:03.850
2021-09-11T17:00:41.900
2021-09-11T17:01:09.800
2021-09-11T17:01:59.550
2021-09-11T17:04:29.800
2021-09-11T17:10:48.750
2021-09-11T18:02:13.500
2021-09-11T18:04:46.350
2021-09-11T18:54:36.050
2021-09-11T19:43:29.000
2021-09-11T19:46:50.050
2021-09-11T20:13:40.550
2021-09-11T20:22:59.050
2021-09-11T20:33:14.550
2021-09-11T21:07:28.350
2021-09-11T22:51:41.600
2021-09-12T00:34:37.450
2021-09-12T00:45:49.400
2021-09-12T05:14:07.950
2021-09-12T06:51:13.700
2021-09-12T07:28:07.500

Locations of all these bursts are consistent with SGR J1935+2154.

Please note that all GECAM results here are preliminary.
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