137 papers found
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The Largest Black Holes and the Most Luminous Galaxies
The Ionized Gas and Nuclear Environment in NGC 3783. II. AveragedHubble Space Telescope/STIS andFar Ultraviolet Spectroscopic ExplorerSpectra
Where is the X-ray gas in Active Galactic Nuclei?
The Variability "Telescope": L-M-M☉ in AGN
The Ionized Gas and Nuclear Environment in NGC 3783. I. Time‐averaged 900 KilosecondChandraGrating Spectroscopy
The Density and Location of the X‐Ray–absorbing Gas in NGC 3516
Inner‐Shell 1s–2pSoft X‐Ray Absorption Lines
Erratum: “Is There a Metallicity-Luminosity Relationship in Active Galactic Nuclei? The Case of Narrow-Line Seyfert 1 Galaxies” ([URL ADDRESS="/cgi-bin/resolve?2002ApJ...567L..19S" STATUS="OKAY"]A[CLC]p[/CLC]J, 567, L19 [2002][/URL])
The Structure and Variability of the Fe Kalpha line in NGC 3516
Is There a Metallicity-Luminosity Relationship in Active Galactic Nuclei? The Case of Narrow-Line Seyfert 1 Galaxies
The density and location of the warm absorber in NGC 3516
High‐Resolution X‐Ray Spectroscopy and Modeling of the Absorbing and Emitting Outflow in NGC 3783
Physical Processes in Starburst and Active Galaxies
High-Resolution X-Ray Spectroscopy of the Seyfert 2 Galaxy Circinus with [ITAL]Chandra[/ITAL]
Photoionization Model Nebulae
Mapping the Broad-Line Region
Photoionized gas in starburst and active galaxies
Strong Iron Line from NGC 3516
X-Ray Imaging of the Seyfert 2 Galaxy Circinus with [ITAL]Chandra[/ITAL]
X-ray continuum slope and X-ray spectral features in NLS1 galaxies
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