25 papers found
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Accretion Disk Reverberation withHubble Space TelescopeObservations of NGC 4593: Evidence for Diffuse Continuum Lags
Be STARS IN THE OPEN CLUSTER NGC 6830
KSwAGS: ASWIFTX-RAY AND UV SURVEY OF THEKEPLERFIELD. I.
Reverberation Mapping of Thekeplerfield Agn Ka1858+4850
A Study of Companies with Abnormally Favorable Patterns of Executive Stock Option Grant Timing
Contrasting the Ultraviolet and X‐Ray OviColumn Density Inferred for the Outflow in NGC 5548
Correlated Long-Term Optical and X-Ray Variations in NGC 5548
The Remarkably Featureless High-Resolution X-Ray Spectrum of Markarian 478
X-Ray versus Optical Variations in the Seyfert 1 Nucleus NGC 3516: A Puzzling Disconnectedness
X‐Ray Spectral Variability and Rapid Variability of the Soft X‐Ray Spectrum Seyfert 1 Galaxies Arakelian 564 and Ton S180
Quasi-periodic Oscillation in Seyfert Galaxies: Significance Levels. The Case of Markarian 766
High Temporal ResolutionXMM‐NewtonMonitoring of PKS 2155−304
X-Ray Power Density Spectrum of the Narrow-Line Seyfert 1 Galaxy Arakelian 564
Evidence for Rapid Iron Kα Line Flux Variability in MCG −6‐30‐15
Intensive HST/RXTE monitoring of NGC 3516: Evidence against thermal reprocessing
X-Ray variability of NLS1s and BLS1s
IntensiveHST,RXTE, andASCAMonitoring of NGC 3516: Evidence against Thermal Reprocessing
A Possible 100 Day X-Ray–to–Optical Lag in the Variations of the Seyfert 1 Nucleus NGC 3516
A Cutoff in the X‐Ray Fluctuation Power Density Spectrum of the Seyfert 1 Galaxy NGC 3516
X‐Ray Observations of the Broad‐Line Radio Galaxy 3C 390.3
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