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Article
Characterization of the eXTP-LAD collimators
The enhanced X-ray Timing and Polarimetry mission (eXTP) is a next-generation flagship X-ray astronomy satellite currently in phase-B study. The large Area Detector (LAD) on board eXTP contains 40 modules, eac...
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Article
Observation of spectral lines in the exceptional GRB 221009A
As the brightest gamma-ray burst ever observed, GRB 221009A provided a precious opportunity to explore spectral line features. In this article, we performed a comprehensive spectroscopy analysis of GRB 221009A...
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Article
Simulation studies for the first pathfinder of the CATCH space mission
The Chasing All Transients Constellation Hunters (CATCH) space mission is an intelligent constellation consisting of 126 micro-satellites in three types (A, B, and C), designed for X-ray observation with the o...
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Reference Work Entry In depth
The Enhanced X-ray Timing and Polarimetry Mission: eXTP
This chapter presents the main aspects of the enhanced X-ray Timing and Polarimetry mission, a flagship observatory designed to perform simultaneous X-ray timing–spectral–polarimetry observations of celestial ...
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Reference Work Entry In depth
Black Holes: Accretion Processes in X-ray Binaries
Accretion onto black holes is one of the most efficient energy source in the universe. Black hole accretion powers some of the most luminous objects in the universe, including quasars, active galactic nuclei, ...
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Article
In-orbit background simulation of a type-B CATCH satellite
The Chasing All Transients Constellation Hunters (CATCH) space mission plans to launch three types of micro-satellites (A, B, and C). The type-B CATCH satellites are dedicated to locating transients and detect...
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Article
Insight-HXMT on-orbit thermal control status and thermal deformation impact analysis
The Hard X-ray Modulation Telescope is China’s first X-ray astronomy satellite launched on June 15, 2017, dubbed Insight-HXMT. Active and passive thermal control measures are employed to keep devices at suitable ...
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Article
CATCH: chasing all transients constellation hunters space mission
In time-domain astronomy, a substantial number of transients will be discovered by multi-wavelength and multi-messenger observatories, posing a great challenge for follow-up capabilities. We have thus proposed...
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Article
Paired quasi-periodic pulsations of hard X-ray emission in a solar flare
We investigate high time resolution data obtained by the Gravitational wave high-energy Electromagnetic Counterpart All-sky Monitor (GECAM) during the flare event on 2022 April 21 at 01:52 UT. Several subpeaks...
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Article
In-orbit performance of LE onboard Insight-HXMT in the first 5 years
The low-energy X-ray telescope (LE) is a main instrument of the Insight-HXMT mission and consists of 96 swept charge devices covering the 1–10 keV energy band. The energy gain and resolution are continuously cali...
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Article
In-orbit performance of HE onboard Insight-HXMT in the first 5 years
The high-energy X-ray telescope (HE), one of the three main payloads of the Insight-HXMT mission, is composed of eighteen NaI(Tl)/CsI(Na) phoswich detectors, where NaI(Tl) serves as the primary detector covering ...
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Article
Long-term evolution of the X-ray flux of the Crab pulsar
In order to carry out in-orbit calibration, the hard X-ray modulation telescope satellite (HXMT) has made a number of observations of Crab pulsar. We study the long-term evolution of the X-ray flux of the Crab...
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Article
Five-year in-orbit background of Insight-HXMT
We present the five-year in-orbit background evolution of Insight-HXMT since the launch, as well as the effects of the background model in data analysis.
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Living Reference Work Entry In depth
The Enhanced X-Ray Timing and Polarimetry Mission: eXTP
This chapter presents the main aspects of the enhanced X-ray Timing and Polarimetry mission, a flagship observatory designed to perform simultaneous X-ray timing–spectral–polarimetry observations of celestial ...
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Article
Fabrication of micro-slot optics on curved substrate by X-ray lithography and electroplating
We have developed micro-slot optics (MSO) which can be used in the mirrors to reflect and focus X-rays. It is composed of a large number of concentric rings of curved MSO plates with necessary radial supportin...
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Article
Open AccessInsight-HXMT observations of jet-like corona in a black hole X-ray binary MAXI J1820+070
A black hole X-ray binary produces hard X-ray radiation from its corona and disk when the accreting matter heats up. During an outburst, the disk and corona co-evolves with each other. However, such an evoluti...
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Article
Discovery of oscillations above 200 keV in a black hole X-ray binary with Insight-HXMT
Low-frequency quasiperiodic oscillations (LFQPOs) are commonly found in black hole X-ray binaries, and their origin is still under debate. The properties of LFQPOs at high energies (above 30 keV) are closely r...
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Article
In-orbit background simulation study of SVOM/GRM
The Space-based multi-band astronomical Variable Objects Monitor (SVOM) is a Chinese-French satellite dedicated to the observation and study of Gamma-Ray Bursts (GRBs) and other variable sources. Among the fou...
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Article
Editorial
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Article
Overview to the Hard X-ray Modulation Telescope (Insight-HXMT) Satellite
As China’s first X-ray astronomical satellite, the Hard X-ray Modulation Telescope (HXMT), which was dubbed as Insight-HXMT after the launch on June 15, 2017, is a wide-band (1-250 keV) slat-collimator-based X-ra...
