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Schematic view of Hitomi

Schematic view of Hitomi


Date: 02 February 2016
Satellite: Hitomi
Depicts: The four instruments on Hitomi
Copyright: JAXA

In this schematic view of Hitomi (known as ASTRO-H prior to launch), the four instruments on the satellite are highlighted.

The Soft X-ray Spectrometer (SXS) is indicated in blue. This high-resolution spectrometer is sensitive to soft X-rays in the range 0.3-12 keV. Photons are focussed by one of the two soft X-ray telescopes (top platform, shown in blue) onto an X-ray Calorimeter Spectrometer (XCS), which is stored inside a cooling system (centre) that keeps the temperature as low as 50 mK.

The Soft X-ray Imager (SXI) is indicated in green. SXI consists of the other soft X-ray telescope (top platform, shown in green) which focusses X-rays (0.5-12 keV) onto an X-ray CCD camera (centre).

The Hard X-ray Imager (HXI) is indicated in orange. This imager consists of two hard X-ray telescopes (top platform, shown in orange) and two Si/CdTe double-sided detectors, located at the end of an extendable boom (bottom right).

The two units of the Soft Gamma-ray Detector (SGD), a non-focussing Compton camera to detect soft gamma-rays, are indicated in magenta.

The four instruments are co-aligned so they are able to observe the same region of the sky at the same time.

Hitomi is a high-energy astrophysics space observatory, developed by the Japan Aerospace Exploration Agency (JAXA) in collaboration with institutions in Japan, the US, Canada, and Europe.

Last Update: 1 September 2019
6-Dec-2021 11:32 UT

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