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: http://hea.iki.rssi.ru/en/index.php?page=sigma
Дата изменения: Unknown Дата индексирования: Sun Apr 10 03:47:13 2016 Кодировка: Поисковые слова: south pole |
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SIGMA is the coded-mask telescope capable to get images and spectra in the 30-1000 keV energy range with ~10' angluar resolutiuon and the field of view (fully coded) of 4.3X4.7 degrees. SIGMA assembly to GRANAT satellite is shown here ![]() The main results from SIGMA include the VERY deep (more than 5 million seconds) imaging of the galactic center region, discovery of the electron-positron annihilation lines from the Galactic "micro-quasar" 1E1740-294, and X-ray Nova Muscae, study of spectra and time variability of the balck-hole candidates.
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