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The Unification of Active Galaxies: Observations
British Library Conference Proceedings | 1997|Contributors: Cheng, F.-Z. -
An Objective-Prism Survey of Emission-Line Galaxies
British Library Conference Proceedings | 1997|Contributors: Cheng, F.-Z. -
Cospatial Line Emission and Accelerated Outflow in the Spatially Resolved Narrow-Line Region of NGC 4151: Confirming Model Predictions
British Library Conference Proceedings | 1997|Contributors: Cheng, F.-Z. -
Broad-Line Profile Variability
British Library Conference Proceedings | 1997|Contributors: Cheng, F.-Z. -
An Analysis of Broad Emission-Line Profiles from HST Data
British Library Conference Proceedings | 1997|Contributors: Cheng, F.-Z. -
Emission Lines and the Spectral Energy Distributions of Quasars
British Library Conference Proceedings | 1997|Contributors: Cheng, F.-Z. -
The HST Sample of Radio-Loud Quasars: Emission Lines from Ly to H
British Library Conference Proceedings | 1997|Contributors: Cheng, F.-Z. -
HUT Observations of the Lyman Limit in AGN: Implications for Unified Models
British Library Conference Proceedings | 1997|Contributors: Cheng, F.-Z. -
Discovery of Five New X-ray-Selected BL Lacertae Objects and Three New Quasars
British Library Conference Proceedings | 1997|Contributors: Cheng, F.-Z. -
New AGNs Discovered with the 2.16-m Telescope at Xinglong Station of Beijing Astronomical Observatory
British Library Conference Proceedings | 1997|Contributors: Cheng, F.-Z. -
The Kyoto 3-D Spectrograph and an Imaging Fabry-Perot Observation of the Nuclear Region of NGC 4151
British Library Conference Proceedings | 1997|Contributors: Cheng, F.-Z. -
Mid-Infrared Forbidden Lines of NGC 1068, NGC 4151, and NGC 5506
British Library Conference Proceedings | 1997|Contributors: Cheng, F.-Z. -
Near-IR Spectroscopy of High-z QSOs: Relating the Broad and Narrow-Line Regions
British Library Conference Proceedings | 1997|Contributors: Cheng, F.-Z. -
The Relationship Between the Emission-Line Spectra and X-Ray/UV Continuum
British Library Conference Proceedings | 1997|Contributors: Cheng, F.-Z. -
Properties of Warm Absorbers and Constraints from Their Optical and UV Line Emission
British Library Conference Proceedings | 1997|Contributors: Cheng, F.-Z. -
Long-Term Variability of AGN
British Library Conference Proceedings | 1997|Contributors: Cheng, F.-Z. -
Inconsistency of Photoionization Models for NGC 5548: Proof of Mechanical Heating?
British Library Conference Proceedings | 1997|Contributors: Cheng, F.-Z. -
The Effect of a Variable Anisotropic Continuum Source upon the Broad Emission-Line Profiles and Responses
British Library Conference Proceedings | 1997|Contributors: Cheng, F.-Z. -
C IV lambda1549 Emission-Line Profile Variations in AGN
British Library Conference Proceedings | 1997|Contributors: Cheng, F.-Z. -
The HST Sample of Radio-Loud Quasars: Fe II and Other Correlations
British Library Conference Proceedings | 1997|Contributors: Cheng, F.-Z.
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