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Studying magnetic fields of ultraluminous X-ray pulsars using different accretion torques

期刊: JOURNAL OF HIGH ENERGY ASTROPHYSICS, 2021; 31 ()

The magnetic field of ultraluminous X-ray (ULX) pulsars is the key parameter to understand the nature and accretion physics. However, the typical magn......

Accretion torque reversals in GRO J1008-57 revealed by Insight-HXMT

期刊: JOURNAL OF HIGH ENERGY ASTROPHYSICS, 2021; 30 ()

GRO J1008-57, as a Be/X-ray transient pulsar, is considered to have the highest magnetic field in known neutron star X-ray binary systems. Observation......

The observation of the South Atlantic Anomaly with the particle monitors onboard Insight-HXMT

期刊: JOURNAL OF HIGH ENERGY ASTROPHYSICS, 2020; 26 ()

The South Atlantic Anomaly (SAA) is a region of weakened geomagnetic field and in the previous studies, it shows a secular variation with time which i......

Design and calibration of the high energy particle monitor onboard the Insight-HXMT

期刊: JOURNAL OF HIGH ENERGY ASTROPHYSICS, 2020; 26 ()

Three high energy particle monitors (HPMs) employed onboard the Hard X-ray Modulation Telescope (Insight-HXMT) can detect the charged particles from S......

Deadtime calculation method of the High Energy X-ray telescope (HE) onboard the Insight-HXMT satellite

期刊: JOURNAL OF HIGH ENERGY ASTROPHYSICS, 2020; 26 ()

Deadtime is the time period during which a detector processes the previous photon event and any later events will be ignored, thus the calculation of ......

Multi-wavelength observations of the BL Lac object FermiJ1544-0649: One year after its awakening

期刊: JOURNAL OF HIGH ENERGY ASTROPHYSICS, 2020; 26 ()

We report observations of a transient source FermiJ1544-0649 from radio to gamma-rays. FermiJ1544-0649 was discovered by the Fermi-LAT in May 2017. Fo......

A modified direct demodulation method applied to Insight-HXMT Galactic plane scanning survey

期刊: JOURNAL OF HIGH ENERGY ASTROPHYSICS, 2020; 26 ()

We present a modified direct demodulation (DD) method for the detection of fast variable objects with the Insight-HXMT Galactic plane survey, which is......

Methodology and performance of the two-year galactic plane scanning survey of Insight-HXMT

期刊: JOURNAL OF HIGH ENERGY ASTROPHYSICS, 2020; 26 ()

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 ......

In-flight calibration of the Insight-Hard X-ray Modulation Telescope

期刊: JOURNAL OF HIGH ENERGY ASTROPHYSICS, 2020; 27 ()

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 spect......

Confirming the spin parameter of the black hole in Cygnus X-1 using the Insight-HXMT

期刊: JOURNAL OF HIGH ENERGY ASTROPHYSICS, 2020; 27 ()

Recently, the system parameters of Cygnus X-1, i.e., the black hole mass M, the orbital inclination iand the source distance D, have been updated. As ......

The background model of the medium energy X-ray telescope of Insight-HXMT

期刊: JOURNAL OF HIGH ENERGY ASTROPHYSICS, 2020; 27 ()

The Medium Energy X-ray Telescope (ME) is one of the main payloads of the Hard X-ray Modulation Telescope(dubbed as Insight-HXMT). The background of I......

Insight-HXMT insight into switch of the accretion mode: The case of the X-ray pulsar 4U 1901+03

期刊: JOURNAL OF HIGH ENERGY ASTROPHYSICS, 2020; 27 ()

We use the Insight-HXMT data collected during the 2019 outburst from X-ray pulsar 4U 1901+03 to complement the orbital parameters reported by Fermi/GB......

Background model for the Low-Energy Telescope of Insight-HXMT

期刊: JOURNAL OF HIGH ENERGY ASTROPHYSICS, 2020; 27 ()

With more than 150 blank sky observations at high Galactic latitude, we make a systematic study to the background of the Low Energy Telescope (LE) of ......

Background model for the high-energy telescope of Insight-HXMT

期刊: JOURNAL OF HIGH ENERGY ASTROPHYSICS, 2020; 27 ()

Accurate background estimation is essential for spectral and temporal analysis in astrophysics. In this work, we construct the in-orbit background mod......

Calibration of the instrumental response of Insight-HXMT/HE CsI detectors for gamma-ray monitoring

期刊: JOURNAL OF HIGH ENERGY ASTROPHYSICS, 2020; 27 ()

The CsI detectors of the High Energy X-ray Telescope of the Hard X-ray Modulation Telescope(HXMT/CsI) can be used for gamma-ray all sky monitoring and......

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