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29 March 2024 |
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Article overview
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A Low-latency Pipeline for GRB Light Curve and Spectrum using Fermi/GBM Near Real-time Data | Yi Zhao
; Binbin Zhang
; Shaolin Xiong
; Xi Long
; Qiang Zhang
; Liming Song
; Jianchao Sun
; Yuanhao Wang
; Hancheng Li
; Qingcui Bu
; Minzi Feng
; Zhengheng Li
; Xing Wen
; Bobing Wu
; Laiyu Zhang
; Yongjie Zhang
; Shuangnan Zhang
; Jianxiong Shao
; | Date: |
26 Feb 2018 | Abstract: | Rapid response and short time latency are very important for Time Domain
Astronomy, such as the observations of Gamma-ray Bursts (GRBs) and
electromagnetic (EM) counterparts of gravitational waves (GWs). Based on the
near real-time Fermi/GBM data, we developed a low-latency pipeline to
automatically calculate the temporal and spectral properties of GRBs. With this
pipeline, some important parameters can be obtained, such as T90 and fluence,
within ~20 minutes after the GRB trigger. For ~90% GRBs, T90 and fluence are
consistent with the GBM catalog results within 2 sigma errors. This pipeline
has been used by the Gamma-ray Bursts Polarimeter (POLAR) and the Insight Hard
X-ray Modulation Telescope (Insight-HXMT) to follow up the bursts of interest.
For GRB 170817A, the first EM counterpart of GW events detected by Fermi/GBM
and INTEGRAL/SPI-ACS, the pipeline gave T90 and spectral information in 21
minutes after the GBM trigger, providing important information for POLAR and
Insight-HXMT observations. | Source: | arXiv, 1802.9271 | Services: | Forum | Review | PDF | Favorites |
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