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|Operator||CAS / IHEP|
|Mission duration||Elapsed: 1 year, 5 days|
|Launch mass||2,800 kg (6,200 lb)|
|Dimensions||2.0 × 2.0 × 2.8 m (6.6 × 6.6 × 9.2 ft)|
|Start of mission|
|Launch date||June 14, 2017, 03:00:00UTC|
|Rocket||Long March 4B|
|Launch site||603 Launch Pad of the LC43 Launch Complex, Jiuquan Satellite Launch Center|
|Semi-major axis||6,920 km (4,300 mi)|
|Perigee||545 km (339 mi)|
|Apogee||554.1 km (344.3 mi)|
|Mean motion||15.079 rev/day|
|Epoch||2017-06-22 11:32:39 UTC|
Hard X-ray Modulation Telescope (HXMT) also known as Insight (Chinese: 慧眼) is a Chinese X-ray space observatory, launched on June 15, 2017 to observe black holes, neutron stars, active galactic nuclei and other phenomena based on their X-ray and gamma-ray emissions. It is based on the JianBing 3 imagery reconnaissance satellite series platform.
The main scientific instrument is an array of 18 NaI(Tl)/CsI(na) slat-collimated "phoswich" scintillation detectors, collimated to 5.7°×1° overlapping fields of view. The main NaI detectors have an area of 286 cm2 each, and cover the 20—200 keV energy range. Data analysis is planned to be by a direct algebraic method, "direct demodulation", which has shown promise in de-convolving the raw data into images while preserving excellent angular and energy resolution.
The satellite has three payloads, the high energy X-ray Telescope (20-250 keV), the medium energy X-ray telescope (5-30 keV), and the low energy X-ray telescope (1-15 keV)