DEPARTMENT OF SPACE RESEARCH USER /004
BIRMINGHAM UNIVERSITY

Asterix Data Analysis

ASTERIX User Note 004

Source Searching and
Parameterisation

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• Contents
• Introduction
• Overview
  • The PSF System
  • Background Modelling
  • Source Searching
  • Post Search Processing
• PSS Tutorial
  • Definitions
  • Modes
  • SEARCH mode
  • PARAM mode
  • UPLIM mode
  • UPMAP mode
• PSS Reference
  • Global Properties
  • Input data
  • Background Model
  • Point Spread Function
  • Fitting Statistics
  • Background Rescaling
  • Oversampling
  • Source Confusion
  • Source Extension
  • Specifying Confidence Levels
  • Source Parameter Errors
  • Restarting PSS
  • Source Subtraction
  • Diagnostic Mode
  • Limitations
• EVPSS Reference
• Support Programs
  • SSDUMP
  • SSCARIN
  • SSANOT
  • IMARK
  • SSMERGE
  • SSZAP
  • EVSIM
  • CREPSF
  • WFCSPEC
  • XPSSCORR
• Techniques
  • Bad data
  • Simulation
  • Upper limits
  • Using data QUALITY
  • Interpreting Changes in Significance
  • Iterative Methods
• References
• The PSF System
  • Instrument Psfs
  • ANALytic Psfs
  • Tabular Psfs
  • PSF models
• PSS Algorithms
  • CASH
    • Detection Significance
    • Background Rescaling
  • GAUSSIAN
    • Selection of psf box
    • Source flux estimates
    • Flux and Positional Errors
• EVPSS Algorithms
• Figures
• About this document ...