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X-ray observation of AGN's from TENMA

✍ Scribed by S. Miyoshi; S. Haykawa; H. Kunieda; F. Nagase; Y. Tawara


Publisher
Springer Netherlands
Year
1986
Tongue
English
Weight
264 KB
Volume
119
Category
Article
ISSN
0004-640X

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Seyfert galaxies were classified on the basis of their optical spectroscopic properties into types 1 and 2, (Weedman 1970, Weedman 1973 and Khachikian & Weedman 1974). This enduring classification highlighted an important physical distinction and ultimately led to Unified Schemes for AGN, which have