Carregue numa fotografia para ir para os Livros Google.
A carregar... Suzaku Studies of White Dwarf Stars and the Galactic X-ray Background Emissionpor Takayuki Yuasa
Nenhum(a) A carregar...
Adira ao LibraryThing para descobrir se irá gostar deste livro. Ainda não há conversas na Discussão sobre este livro. Sem comentários sem críticas | adicionar uma crítica
This thesis presents a study of the origin of an apparently extended X-ray emission associated with the Galactic ridge. The study was carried out with broadband spectra obtained from mapping observations in the Galactic bulge region conducted in 2005-2010 by the Suzaku space X-ray observatory. The spectra were analyzed with a newly constructed X-ray spectral model of an accreting white dwarf binary that is one of the proposed candidate stars for the origin of the Galactic ridge emission in the higher energy band. Fitting of the observed Galactic ridge spectra with the model showed that there is another spectral component that fills the gap between the observed X-ray flux and the component expected from the accreting white dwarf spectral model in the lower energy band. This additional soft spectral component was nicely explained by an X-ray spectral model of normal stars. The result, together with previously reported high-resolution imaging results, strongly supports the idea that the Galactic ridge X-ray emission is an assembly of dim, discrete X-ray point sources. Não foram encontradas descrições de bibliotecas. |
Current DiscussionsNenhum(a)
Google Books — A carregar... GénerosSistema Decimal de Melvil (DDC)523.887Natural sciences and mathematics Astronomy Astronomical objects and astrophysics Stars Stellar evolution Terminal stagesClassificação da Biblioteca do Congresso dos EUA (LCC)AvaliaçãoMédia: Sem avaliações.É você?Torne-se num Autor LibraryThing. |