scholarly journals Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. IV - Intensity variations of the optical emission lines of NGC 5548

1993 ◽  
Vol 408 ◽  
pp. 416 ◽  
Author(s):  
M. Dietrich ◽  
W. Kollatschny ◽  
B. M. Peterson ◽  
J. Bechtold ◽  
R. Bertram ◽  
...  
Keyword(s):  
Active Galactic Nuclei ◽  
Galactic Nuclei ◽  
Optical Emission ◽  
Emission Lines ◽  
Broad Line ◽  
Broad Line Region ◽  
Line Region ◽  
Ngc 5548 ◽  
Size And Structure

scholarly journals Steps toward Determination of the Size and Structure of the Broad‐Line Region in Active Galactic Nuclei. X. Variability of Fairall 9 from Optical Data

1997 ◽  
Vol 112 (2) ◽  
pp. 271-283 ◽  
Author(s):  
M. Santos‐Lleo ◽  
E. Chatzichristou ◽  
C. Mendes de Oliveira ◽  
C. Winge ◽  
D. Alloin ◽  
...  
Keyword(s):  
Active Galactic Nuclei ◽  
Galactic Nuclei ◽  
Optical Data ◽  
Broad Line ◽  
Broad Line Region ◽  
Line Region ◽  
Size And Structure
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