Contents

• 1. Description
  • 1.1 What is aXe?
  • 1.2 Slitless Spectroscopy
  • 1.3 Apertures and Beams
  • 1.4 Pixel Extraction Tables (PET)
  • 1.5 Generating 1D spectra
  • 1.6 Sky Background
    • 1.6.1 Global Background Subtraction
    • 1.6.2 Local Background Subtraction
  • 1.7 Contamination
    • 1.7.1 Geometrical contamination
    • 1.7.2 Quantitative contamination
  • 1.8 Drizzling of PETs
  • 1.9 Optimal weighting
  • 1.10 Extraction parameters in aXe
  • 1.11 aXe Visualization
  • 1.12 Acknowledgement
  
  
• 2. Installing aXe
  • 2.1 Requirements
    • 2.1.1 aXe Distribution
  • 2.2 Installing from the aXe source distribution
  • 2.3 Installing from the aXe binary distributions
  • 2.4 Validating the aXe installation
  • 2.5 aXe Mailing List
  • 2.6 aXe Support
  
  
• 3. Using aXe
  • 3.1 The input data
  • 3.2 Preparing the extraction
    • 3.2.1 MultiDrizzle
    • 3.2.2 Master catalogue
    • 3.2.3 Preparing the Input Object Lists
    • 3.2.4 Preparing the fluxcube files
  • 3.3 Extracting spectra
    • 3.3.1 Reduction Strategy
    • 3.3.2 Input Image List
    • 3.3.3 The aXe Configuration Files
    • 3.3.4 Example reductions for the different scenarios
  • 3.4 Computing time
  • 3.5 The requirements
  • 3.6 Tuning tips
    • 3.6.1 Wavelength dependence of the PSF
    • 3.6.2 Extraction of higher grism orders
    • 3.6.3 Limits for contamination
  
  
• 4. aXe tasks
  • 4.1 IOLPREP
    • 4.1.1 Usage
    • 4.1.2 Parameters
    • 4.1.3 Output
  • 4.2 FCUBEPREP
    • 4.2.1 Usage
    • 4.2.2 Parameters
    • 4.2.3 Output
  • 4.3 AXEPREP
    • 4.3.1 Usage
    • 4.3.2 Parameters
  • 4.4 AXECORE
    • 4.4.1 Usage
    • 4.4.2 Parameters
    • 4.4.3 Output
  • 4.5 DRZPREP
    • 4.5.1 Usage
    • 4.5.2 Parameters
    • 4.5.3 Output
  • 4.6 AXEDRIZZLE
    • 4.6.1 Usage
    • 4.6.2 Parameters
    • 4.6.3 Output
  • 4.7 SEX2GOL
    • 4.7.1 Usage
    • 4.7.2 Parameters
    • 4.7.3 Output
  • 4.8 GOL2AF
    • 4.8.1 Usage
    • 4.8.2 Parameters
    • 4.8.3 Output
  • 4.9 BACKEST
    • 4.9.1 Usage
    • 4.9.2 Parameters
    • 4.9.3 Output
  • 4.10 AF2PET
    • 4.10.1 Usage
    • 4.10.2 Parameters
    • 4.10.3 Output
  • 4.11 PETCONT
    • 4.11.1 Usage
    • 4.11.2 Parameters
    • 4.11.3 Output
  • 4.12 PETFF
    • 4.12.1 Usage
    • 4.12.2 Parameters
    • 4.12.3 Output
  • 4.13 PET2SPC
    • 4.13.1 Usage
    • 4.13.2 Parameters
    • 4.13.3 Output
  • 4.14 STAMPS
    • 4.14.1 Usage
    • 4.14.2 Parameters
    • 4.14.3 Output
  • 4.15 DRZ2PET
    • 4.15.1 Usage
    • 4.15.2 Parameters
    • 4.15.3 Output
  • 4.16 AXEGPS
    • 4.16.1 Usage
    • 4.16.2 Parameters
    • 4.16.3 Output
  
  
• 5. Configuration of aXe tasks
  • 5.1 Environment Variables
  • 5.2 Configuration Files
    • 5.2.1 Main Configuration File
    • 5.2.2 Example of a Main Configuration file
  
  
• 6. aXe Calibration Files
  • 6.1 Sensitivity Curve
  • 6.2 Flat field
  
  
• 7. File Formats
  • 7.1 Input Images
  • 7.2 Fluxcube file
  • 7.3 Input Image List
  • 7.4 Input Object List
  • 7.5 Grism Object List
  • 7.6 Aperture File
  • 7.7 Background Estimate File
  • 7.8 Pixel Extraction Table
  • 7.9 The Drizzle Prepare File
  • 7.10 The 2D Drizzled Grism Image
  • 7.11 Extracted Spectra File
  • 7.12 Stamp Image File
  • 7.13 Weight Image File
  • 7.14 Contamination File
  
  
• Bibliography
• Index