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A low-latency pipeline for GRB light curve and spectrum using Fermi/GBM near real-time data

AuthorsZhao, Y.; Zhang, B.B.; Xiong, S.L.; Long, X.; Zhang, Q.; Song, L.M.; Sun, J.C.; Wang, Y.H.; Li, H.C.; Bu, Q.C.; Feng, M.Z.; Li, Z.H.; Wen, X.; Wu, B.B.; Zhang, L.Y.; Zhang, Y.J.; Zhang, S.N.; Shao, J.X.
KeywordsGamma-ray bursts: general
Radiation mechanisms: non-thermal
Issue Date2018
PublisherIOP Publishing
CitationResearch in Astronomy and Astrophysics 18(5): 5i (2018)
AbstractRapid 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 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 T and fluence, within ∼ 20 min after the GRB trigger. For ∼ 90% of GRBs, T and fluence are consistent with the GBM catalog results within 2σ 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 T and spectral information 21 min after the GBM trigger, providing important information for POLAR and Insight-HXMT observations. © 2018 National Astronomical Observatories, CAS and IOP Publishing Ltd..
Description14 pages, 8 figures. The paper has been accepted by Research in Astronomy and Astrophysics (RAA)
Publisher version (URL)http://dx.doi.org/10.1088/1674-4527/18/5/57
Identifiersdoi: 10.1088/1674-4527/18/5/57
issn: 1674-4527
Appears in Collections:(IAA) Artículos
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