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
High spectral resolution X-ray observations of AGN
β Scribed by J.S. Kaastra
- Publisher
- John Wiley and Sons
- Year
- 2008
- Tongue
- English
- Weight
- 110 KB
- Volume
- 329
- Category
- Article
- ISSN
- 0004-6337
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