Abstract
The Soft Gamma-ray Detector (SGD) is one of science instruments onboard ASTRO-H (Hitomi) and features a wide energy band of 60{600 keV with low backgrounds. SGD is an instrument with a novel concept of "Narrow field-of-view" Compton camera where Compton kinematics is utilized to reject backgrounds which are inconsistent with the field-of-view defined by the active shield. After several years of developments, the flight hardware was fabricated and subjected to subsystem tests and satellite system tests. After a successful ASTRO-H (Hitomi) launch on February 17, 2016 and a critical phase operation of satellite and SGD in-orbit commissioning, the SGD operation was moved to the nominal observation mode on March 24, 2016. The Compton cameras and BGO-APD shields of SGD worked properly as designed. On March 25, 2016, the Crab nebula observation was performed, and, the observation data was successfully obtained.
Original language | English |
---|---|
Title of host publication | Space Telescopes and Instrumentation 2016 |
Subtitle of host publication | Ultraviolet to Gamma Ray |
Editors | Marshall Bautz, Tadayuki Takahashi, Jan-Willem A. den Herder |
Publisher | SPIE |
ISBN (Electronic) | 9781510601895 |
DOIs | |
Publication status | Published - 1 Jan 2016 |
Event | Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray - Edinburgh, United Kingdom Duration: 26 Jun 2016 → 1 Jul 2016 |
Publication series
Name | Proceedings of SPIE - The International Society for Optical Engineering |
---|---|
Volume | 9905 |
ISSN (Print) | 0277-786X |
ISSN (Electronic) | 1996-756X |
Conference
Conference | Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray |
---|---|
Country | United Kingdom |
City | Edinburgh |
Period | 26/06/16 → 1/07/16 |
Keywords
- ASTRO-H(Hitomi)
- BGO
- CdTe
- Compton Camera
- Gamma-ray astronomy detectors
- Polarimetry
- Silicon radiation detectors