Numerical simulation on metallic additive manufacturing

Chen, JiaWei; Xiong, Feiyu; Huang, Chen-Yang; Lian, Yuan

doi:10.1360/sspma-2020-0182

Cited by 9 publications

(1 citation statement)

References 43 publications

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“…Since the launch on December 10, 2020, the GECAM mission (Xiong 2020) has observed hundreds of GRBs including the Brightest-Of-All-Time (BOAT) GRB 221009A (An et al 2023) and the second brightest GRB 230307A (Xiong et al 2023), as well as X-ray bursts from magnetar such as SGR J1935+2154. Thanks to the excellent energy resolution (∼ 16% at 59.5 keV), anti-saturation design at high count rates (< 4×10 5 counts per second) (Zhang et al 2019;Chen et al 2021;Li et al 2021) and the highest time resolution (0.1 µs) among all GRB satellites ever flown (Xiao et al 2022a),…”

Section: Introductionmentioning

confidence: 99%

Observational prospects for magnetars with GECAM

Lin

Xiao

Huang

et al. 2020

Sci. Sin.-Phys. Mech. Astron.

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As a new member of the Gravitational wave high-energy Electromagnetic Counterpart All-sky Monitor (GECAM) after GECAM-A and GECAM-B, GECAM-C (originally called HEBS), which was launched on board the SATech-01 satellite on July 27, 2022, aims to monitor and localize X-ray and gamma-ray transients from ∼ 6 keV to 6 MeV. GECAM-C utilizes a similar design to GECAM but operates in a more complex orbital environment. In this work, we utilize the secondary particles simultaneously produced by the cosmic-ray events on orbit and recorded by multiple detectors, to calibrate the relative timing accuracy between all detectors of GECAM-C. We find the result is 0.1 µs, which is the highest time resolution among all GRB detectors ever flown and very helpful in timing analyses such as minimum variable timescale and spectral lags, as well as in time delay localization. Besides, we calibrate the absolute time accuracy using the one-year Crab pulsar data observed by GECAM-C and Fermi/GBM, as well as GECAM-C and GECAM-B. The results are 2.02 ± 2.26 µs and 5.82 ± 3.59 µs, respectively. Finally, we investigate the spectral lag between the different energy bands of Crab pulsar observed by GECAM and GBM, which is ∼ −0.2 µs keV −1 .

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