Camera with high temporal resolution to search for tran - sients in the wide field

— The wide field optical camera with high temporal resolution for the continuous monitoring of the sky in order to catch the initial stages of GRBs is described. PACS 95.55.Cs – Ground-based ultraviolet, optical and infrared telescopes. PACS 98.70.Rz – gamma-ray sources; gamma-ray bursts. Gamma-ray bursts (GRBs) are one of the most powerful transient events in the Universe which are probably related to the compact relativistic objects. Fine time structure of GRB emission is defined by the properties of their central engine. At the same time a number of models predict generation of considerable optical flux synchronous with GRB event which can achieve 10 − 12 m for 0.2 sec [1] or even 8 − 9 m for 0.1 − 10 sec [2]. In the model of early afterglow in the wind shell the optical flash is expected to be as bright as 9 − 10 m in 0.2 − 0.5 sec with 0.5 − 60 sec lag from proper GRB event [3]. Thus, search and study with high temporal resolution of optical transients (OTs) accompanying GRBs, can provide statistically reliable information about the nature of these phenomena. To be successful such observations have to be carried out independently of alerts receiving from space borne gamma-ray telescopes and use optical instruments with a wide field of view. As a side effect such observations also gives the possibility to detect and investigate short stochastic flares of different variable objects – SNs, flare stars, CVs, X-ray binaries and NEOs, natural and artificial. Simple analysis of the technical parameters of a camera for such a task may be performed as follows.