Abstract
EUVITA (Extreme UV Imaging Telescope Array) experiment will be flown on the Russian Spectrum-X-Gamma satellite along with several other experiments. The satellite will be launched in a highly eccentric orbit with a period of 4 days, allowing long, uninterrupted observations. EUVITA is a set of 6 extreme UV normal incidence imaging telescopes each of them has 200 mm multilayer silicon mirror and is sensitive in a narrow band ( λ Δλ =25 to 80 ), centered at wavelengths between 50 and 135 Å. Each telescope has a few cm 2 effective area, a field of view of 1.2° and a spatial resolution of 10 arcsec. EUVITA's narrow spectral bands allow the measurement of source parameters such as temperature or power law index as well as interstellar absorption. All EUVITA telescopes will be operated simultaneously and so the variability of the spectral properties of sources will be monitored continuously. Simulations of various types of sources show EUVITA's capability to detect galactic and extragalactic EUV sources.
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