Long-term X-ray variability of quasars in the Lockman Hole field observed with ROSAT

Physics

• Active Galactic Nucleus 25%
• Black Holes 25%
• Estimates 50%
• Frequencies 25%
• Light Curve 50%
• Monte Carlo 25%
• Quasar 100%
• Simulation 25%
• Variability 25%
• Variations 25%
• View 25%
• X Ray 50%

Earth and Planetary Sciences

• Approach 25%
• Constraint 25%
• Covering 25%
• Datum 25%
• Estimate 50%
• Host 25%
• Power Law 25%
• Simulation 25%
• Slope 25%
• Timescale 50%
• Variability 25%
• Variation 25%
• View 25%
• X Ray 50%

Agricultural and Biological Sciences

• Fields 50%
• Hosts 25%
• Ray 50%
• Variability 25%