SHOK — The first Russian Wide-Field Optical Camera in Spaceстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 29 марта 2018 г.
Аннотация:Onboard the spacecraft Lomonosov is established
two fast, fixed, very wide-field cameras SHOK. The main goal of this experiment is the
observation of GRB optical emission before, synchronously, and after the gamma-ray
emission.
The field of view of each of the cameras is placed in the gamma-ray burst detection
area of other devices located onboard the "Lomonosov" spacecraft.
SHOK provides measurements of optical emissions with a magnitude limit of ~ 9-10m
on a single frame with an exposure of 0.2 seconds. The device is designed for
continuous sky monitoring at optical wavelengths in the very wide field of view (1000
square degrees each camera), detection and localization of fast time-varying
(transient) optical sources on the celestial sphere, including provisional and
synchronous time recording of optical emissions from the gamma-ray burst error
boxes, detected by the BDRG device and implemented by a control signal (alert
trigger) from the BDRG. The Lomonosov spacecraft has two identical devices, SHOK1
and SHOK2. The core of each SHOK device is a fast-speed 11-Megapixel CCD. Each of the SHOK devices represents a monoblock, consisting of a node observations of
optical emission, the electronics node, elements of the mechanical construction, and
the body.