𝔖 Bobbio Scriptorium
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G-MODE CLASSIFICATION OF SPECTROSCOPIC DATA

✍ Scribed by F. Tosi; A. Coradini; A. I. Gavrishin; A. Adriani; F. Capaccioni; P. Cerroni; G. Filacchione; R. H. Brown


Book ID
106472076
Publisher
Springer Netherlands
Year
2005
Tongue
English
Weight
600 KB
Volume
96
Category
Article
ISSN
1573-0794

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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