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The First Byurakan Survey (FBS) and Search Problems for AGN

Published online by Cambridge University Press:  04 August 2017

V.A. Lipovetsky ,
B.E. Markarian  and
J.A. Stepanian
V.A. Lipovetsky
Affiliation:
Special Astrophysical Observatory, 357147 Stavropolskij kraj, Nizhnij Arkhyz, USSR
B.E. Markarian
Affiliation:
Byurakan Astrophysical Observatory, 378433 Armenia, USSR
J.A. Stepanian
Affiliation:
Byurakan Astrophysical Observatory, 378433 Armenia, USSR

Abstract

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The history of the First Byurakan Survey carried out to search for AGN is shortly described. The sample completeness for different classes of objects: Sy1, Sy2, QSO, BL Lac objects is estimated as 0.6, 0.4, 0.4 and 0.6, respectively. The lack of radioquiet BL Lac objects as a whole class is shown. Different search procedures of AGN are compared, their perspectives are evaluated.

Type
I. Surveys of Active Galaxies and QSO's
Information
Symposium - International Astronomical Union , Volume 121: Observational Evidences of Activity of Galaxies , 1987 , pp. 17 - 23
Copyright
Copyright © Reidel 1987 

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