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Contents
Contents
Index
aXe User Manual version 1.6
M. Kümmel, J. Walsh, H. Kuntschner
15 June 2007
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
5.2.1.1 General configuration
5.2.1.2 BEAM configuration
5.2.1.3 Magnitude cutoffs
5.2.1.4 Trace description
5.2.1.5 Wavelength calibration description for grisms
5.2.1.6 Wavelength calibration description for prisms
5.2.1.7 Sensitivity
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
About this document ...
mkuemmel@eso.org
![\includegraphics[width=.75\textwidth]{images/ACS_aXe02}](img14.png)