Tools to read or process ARTS data
Project description
ARTS tools
Processing scripts for Apertif Radio Transient System data
Requirements
- Python >= 3.6
- Numpy >= 1.17
Installation
pip install arts_tools
Fixing archival FITS files
FITS files retrieved from the Apertif Long-Term Archive (ALTA) from before 2020/04/08 can be made readable using arts_fix_fits. Four fixes are applied:
- The NAXIS2 value in the header is changed from zero to the correct value
- The data size is expressed in bytes instead of bits
- The frequency and time axes of the data are swapped
- The frequency order of the data and weights, scales, offsets, and frequencies columns is flipped
By default, the script appends _fixed to the filename. Run arts_fix_fits -h for more options.
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