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In-flight calibration of the Insight-Hard X-ray Modulation Telescope
Zhang, Shu; Li, Xiaobo; Tuo, Youli +19 more
We present the calibration of the Insight-Hard X-ray Modulation Telescope (Insight-HXMT) X-ray satellite, which can be used to perform timing and spectral studies of bright X-ray sources. Insight-HXMT carries three main payloads onboard: the High Energy X-ray telescope (HE), the Medium Energy X-ray telescope (ME) and the low Energy X-ray telescope…
Methodology and performance of the two-year galactic plane scanning survey of Insight-HXMT
Zhang, Shu; Zhang, Shuang-Nan; Liu, Yuan +7 more
The Galactic plane scanning survey is one of the main scientific objectives of the Hard X-ray Modulation Telescope (known as Insight-HXMT). During the two-year operation of Insight-HXMT, more than 1000 scanning observations have been performed and the whole Galactic plane (0∘ < l <360∘, -10∘ < b <10
Multi-wavelength observations of the BL Lac object Fermi J1544-0649: One year after its awakening
Kong, A. K. H.; Tam, P. H. T.; Mao, J. +15 more
We report observations of a transient source Fermi J1544-0649 from radio to γ-rays. Fermi J1544-0649 was discovered by the Fermi-LAT in May 2017. Follow-up Swift-XRT observations revealed three flaring episodes through March 2018, and the peak X-ray flux is about 103 higher than the ROSAT all-sky survey (RASS) flux upper limit. Optical …