The Low Energy Gamma-Ray Imager (LEGRI) was a payload for the first mission of the Spanish
MINISAT platform, and active from 1997 to 2002. The objective of LEGRI was to demonstrate the viability of
HgI2 detectors for space
astronomy
Astronomy () is a natural science that studies celestial objects and phenomena. It uses mathematics, physics, and chemistry in order to explain their origin and evolution. Objects of interest include planets, moons, stars, nebulae, g ...
, providing imaging and spectroscopical capabilities in the 10-100 keV range.
LEGRI was successfully launched on April 21, 1997, on a Pegasus XL rocket. The instrument was activated on May 19, 1997. It was active until February 2002.
[LEGRI (Low Energy Gamma Ray Imager)]
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The LEGRI system included the Detector Unit, Mask Unit, Power Supply, Digital Processing Unit, Star Sensor, and Ground Support Unit.[
The LEGRI consortium included:][
*]University of Valencia
The University of Valencia ( ca-valencia, Universitat de València ; also known as UV) is a public research university located in the city of Valencia, Spain. It is one of the oldest surviving universities in Spain, and the oldest in the Vale ...
*University of Southampton
, mottoeng = The Heights Yield to Endeavour
, type = Public research university
, established = 1862 – Hartley Institution1902 – Hartley University College1913 – Southampton University Coll ...
*University of Birmingham
, mottoeng = Through efforts to heights
, established = 1825 – Birmingham School of Medicine and Surgery1836 – Birmingham Royal School of Medicine and Surgery1843 – Queen's College1875 – Mason Science College1898 – Mason Univers ...
*Rutherford Appleton Laboratory
The Rutherford Appleton Laboratory (RAL) is one of the national scientific research laboratories in the UK operated by the Science and Technology Facilities Council (STFC). It began as the Rutherford High Energy Laboratory, merged with the Atla ...
* Centro de Investigaciones Energéticas
*Medioambientales y Tecnológicas (Ciemat)
*INTA
References
External links
Low Energy Gamma-Ray Imager (LEGRI)
on the internet
Space telescopes
Gamma-ray telescopes
1997 in spaceflight
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