User Guide

• 2.1 X-ray ABC
  • 2.1.1 Big Picture: What We Actually Measure
  • 2.1.2 X-ray Instrumental Responses
  • 2.1.3 Core Equation Connecting Flux Spectrum And PI Spectrum
  • 2.1.4 Why Stacking Is Useful (And What It Means)
  • 2.1.5 Why X-ray Is Harder Than Optical Stacking
  • 2.1.6 Further Reading
• 2.2 How Xstack Works
  • 2.2.1 Goal Of The Pipeline
  • 2.2.2 Step 1: Rest-frame Shifting
  • 2.2.3 Step 2: Stacking Strategy
  • 2.2.4 Step 3: Weighting Models (Why Three Modes?)
  • 2.2.5 Background Treatment And Uncertainty
  • 2.2.6 Point Sources vs Extended Sources
  • 2.2.7 Computational Controls
  • 2.2.8 Outputs And Interpretation
  • 2.2.9 Same-target Mode (Multiple Exposures of One Target)
• 2.3 Input Parameters (CLI And Python)
  • Required Inputs
  • Core Workflow Parameters
  • Data And Background Parameters
  • Bootstrap Parameters
  • Advanced Python-only Parameters
  • Output Files
  • Same-target Mode Notes
• 2.4 Post-processing With Stacked X-ray Spectrum
  • 1. Determine Usable Energy Range
  • 2. Visualize Stacked Spectral Shape
  • 3. Response Inspection
  • 4. Spectral Fitting (XSPEC)
  • 5. Practical Notes