K stat'e "Hard X-ray spectrum of Cyg X-1"
Low state spectrum of Cyg X-1, observed on 20 September 1977 by the MPI/AIT ballon experiment. The solid curve represents a photon spectrum expected by comptonization of soft photons in an eletron cloud with temperature of 2.5 108 K and a Thomson optical thickness =5. |
Publikacii s klyuchevymi slovami:
personalii - Syunyaev
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Astrometriya
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