Insight-HXMT X-ray and hard X-ray upper limits to the radio burst detected by FAST from SGR 1935+2154

IHEP OpenIR > 硬X射线调制望远镜卫星

	Insight-HXMT X-ray and hard X-ray upper limits to the radio burst detected by FAST from SGR 1935+2154
	Li, C. K; Tuo, Y. L; Ge, M. Y; Li, X. B; Liao, J. Y; Cai, C; Xiong, S. L; Liu, C. Z; Chen, Y; Cao, X. L; Li, T. P; Jia, S. M; Nie, J. Y; Lu, F. J; Song, L. M; Wu, M; Xu, Y. P; Zhang, S. N; Lin, L; Zhang, B.; Team, Insight-HXMT
GCN Number	27679
	2020-05-03
Source Publication	GRB Coordinates Network
Abstract	Around the trigger time (T0=2020-04-30T21:43:00.5 UTC) of the highly polarised radio burst event reported by FAST (ATel #13699), Insight-HXMT was carrying out the ToO observation of SGR 1935+2154 without any occultation by the Earth. Within T0 +/- 50 s, no significant excess events (SNR > 3 sigma) are found in a search of the Insight-HXMT LE (1-10 keV), ME(10-30 keV) and HE (27-250 keV) light curves. Assuming the same spectral model to the X-ray counterpart that we reported in ATel #13687, and with one second timescale (1 s) coming from the position of SGR1935+2154, the 3-sigma fluence upper-limits are as following: Model: wabs*Cutoffpl (nH=2.6,PhoIndex=1.44, Ecut=69.8 keV): LE: 2.68e-09 erg cm^-2 ME: 3.45e-09 erg cm^-2 HE: 4.46e-09 erg cm^-2 Insight-HXMT will continue to observe SGR 1935+2154 with LE, ME and HE until 2020-05-06 01:20:47 UT. Insight-HXMT is the first Chinese space X-ray telescope, which was funded jointly by the China National Space Administration (CNSA) and the Chinese Academy of Sciences (CAS). More information could be found at: http://www.hxmt.org.
ADS URL	https://ui.adsabs.harvard.edu/abs/2020GCN.27679....1L
ADS Bibcode	2020GCN.27679....1L
GCN URL	https://gcn.gsfc.nasa.gov/gcn/gcn3/27679.gcn3
Citation statistics	Cited Times:0 [ADS]
Document Type	GCN
Identifier	http://ir.ihep.ac.cn/handle/311005/287730
Collection	硬X射线调制望远镜卫星多学科研究中心
Affiliation	中国科学院高能物理研究所
Recommended Citation GB/T 7714	Li, C. K,Tuo, Y. L,Ge, M. Y,et al. Insight-HXMT X-ray and hard X-ray upper limits to the radio burst detected by FAST from SGR 1935+2154. 2020.

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