... 4.2 Optical: ActiveGalaxies At optical wavelengths we use the 11th edition of the Catalogue of Quasars and Active Galactic Nuclei by VИron-Cetty and VИron which contains 48921 quasars, 876 BL Lac objects and 15069 activegalaxies (including 11777 Seyfert ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/E36_Stephen01-07May07_17:57:56.pdf -- 317.3 Кб -- 07.05.2007 Похожие документы
... objects with at most 14% of the total sample due to Compton thick activegalaxies ... Key words: galaxies: active - gamma rays: observations: surveys. 1. ... sources may turn out to be activegalaxies but due to their location near the ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/D01_Bassani01-22Jan07_16:19:17.pdf -- 235.4 Кб -- 22.01.2007 Похожие документы
... ISGRI data fitted using an absorbed power law with the column density fixed to galactic value provides a good fit to the spectrum with photon index 1.87, e.g. typical of activegalaxies [2]. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/D32_Khamitov01-04Oct06_10:26:31.pdf -- 635.3 Кб -- 04.10.2006 Похожие документы
... in high energy x ray spectra of activegalaxies // Ph.D. Thesis Tuebingen Univ ... The observations of activegalaxies, using the X-ray detector HEXE were evaluated ...