Risultati ricerca
Tokyo : Universal Academy Press, c1994
Blackwell Scientific Publications, 1984
Berlin [etc.] : Springer, 1999
Singapore : Springer Singapore : Imprint: Springer, 2016
Abstract/Sommario: The aim of this research was to use the X-ray satellite Suzaku to establish a picture of a central engine that effectively converts the gravitational energy of accreting matter onto the supermassive black hole to a huge amount of radiation in an active galactic nucleus. Although the engine is known to consist of a Comptonizing corona and an accretion disk, its image has remained unclear because primary emissions, coming directly from the engine, cannot be identified in X-ray spectra wi ...; [Leggi tutto...]
Greenbelt, Maryland : NASA-LHEA, 1995
[Greenbelt, Maryland : NASA], 1994
Evaston (Illinois) : [Northwestern University], 1982
National Learning Corporation, 2002
Washington : U.S. Department of Commerce, 1967
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