137 papers found
Refreshing results…
The Narrow-Line Region in the Seyfert 2 Galaxy NGC 3393
Infrared Spectroscopy of NGC 1068: Probing the Obscured Ionizing AGN Continuum
The Nature of Associated Absorption and the Ultraviolet–X‐Ray Connection in 3C 288.1
Optical Monitoring of NLS1s at the Wise Observatory
Infrared Spectroscopy of NGC 4151: Probing the Obscured Ionizing Active Galactic Nucleus Continuum
Reverberation Mapping and the Physics of Active Galactic Nuclei
The emission line spectrum of He I
Quasar discs – II. A composite model for the broad-line region
The Physics and the Structure of AGN
Quasars Disks and Cosmology
Study of multiple nucleus galaxies. II. MKN 739.
The Broad Line Region in QSOs and Active Galactic Nuclei
Line Fluorescence in Astrophysics
Quasar discs – I. The Baldwin effect
Variability of optically selected high redshift quasars
Spectra of Symbiotic Stars
The emission lines of quasars and similar objects
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