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LOFAR and MeerKAT facet self-calibration

General direction-independent and direction-dependent self-calibration:

  • refinement self-calibration for individual 'extracted' datasets
  • full field of view self-calibration and extraction of regions of interest

If you use facetselfcal or extraction for scientific work, please cite van Weeren et al. (2021, A&A, 651, 115) paper:
https://ui.adsabs.harvard.edu/abs/2021A%26A...651A.115V/abstract

Requirements:

Installation:
git clone https://github.com/rvweeren/lofar_facet_selfcal.git
pip install git+https://github.com/rvweeren/lofar_facet_selfcal.git

(with pip install, you install facetselfcal, h5_merger, ds9facetgenerator, sub_sources_outside_region as command line functionalities)

Usage examples:

  • HBA Dutch baselines for extracted LoTSS data from the ddf-pipeline:
    python /<path>/lofar_facet_selfcal/facetselfcal.py -b yourDS9extractbox.reg --auto -i yourimagename yourextracted.ms

  • Standard auto settings:
    python /<path>/lofar_facet_selfcal/facetselfcal.py --imsize=1600 --auto -i yourimagename yourextracted.ms

  • With a config file (see an example in data/example_config.txt)):
    python /<path>/lofar_facet_selfcal/facetselfcal.py --config=yourconfig.txt yourextracted.ms

HBA international baselines

  • delaycalibrator
  • target source

LBA Dutch baselines

  • < 30 MHz
  • < 30 MHz

MeerKAT

  • UHF, L-band, and S-band
  • direction-independent and direction-dependent self-calibration

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Facet selfcalibration for LOFAR and MeerKAT

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