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	GRB 170705A: Insight-HXMT observation
	Lu, F. J; Li, C. K; Xiong, S. L; Liu, C. Z; Li, X. F; Li, Z. W; Li, X. B; Liao, J. Y; Huang, Y; Wang, Y. H
	2017-07-06
出处	GRB Coordinates Network
英文摘要	During the commissioning phase, at 2017-07-05T02:45:59.00 (T0),Insight-HXMT detected GRB 170705A (trigger ID: HEB170705115)in a routine search of the data, which was also observed bythe Swift/BAT (Starling et al. 2017, GCN 21289), Fermi/GBM(Bissaldi et al. 2017, GCN 20297) and Konus-Wind (Svinkin et al. 2017,GCN 21299).The Insight-HXMT light curve consists of single pulsewith a duration (T90) of 7.0 s measured from T0-1.30 s.The 1-second peak rate, measured from T0+1 s, is 928.3 cnts/sec.The total counts from this burst is 3458 counts.All measurements above are made with the CsI detectors in the energy rangeof about 80-840 keV (record energy) in the regular mode. Only gamma-rays withenergy greater than about 200 keV can penetrate the spacecraft and leavesignals in the CsI detectors installed on the inside of the telescope.URL_LC: http://www.hxmt.org/images/GRB/HEB170705115_lc.jpgThe time-averaged spectrum from T0-2 s to T0+8 s isadequately fit by a Power Law model with spectral index = -2.16 +/- 0.10.The energy fluence is (1.42 +/- 0.30)E-05 erg/cm^2 in 200 - 5000 keVin this time interval.The analysis results presented above are preliminary;final results will be published elsewhere.Insight-HXMT is the first Chinese space X-ray telescope, which was fundedjointly by the China National Space Administration (CNSA) and the ChineseAcademy of Sciences (CAS). More information about it could be found at:http://www.hxmt.org/index.php/enhome .
内容类型	GCN
源URL	[http://ir.ihep.ac.cn/handle/311005/287536]
专题	硬X射线调制望远镜卫星 高能物理研究所_多学科研究中心
作者单位	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	Lu, F. J,Li, C. K,Xiong, S. L,et al. GRB 170705A: Insight-HXMT observation. 2017.

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