Stellar Model Files

GYRE supports a number of different formats for stellar model files:

  • 'POLY' : HDF5 file describing a polytrope in POLY format
  • 'GSM' : HDF5 file describing an evolutionary model in GYRE Stellar Model (GSM) format
  • 'MESA' : text file describing an evolutionary model in MESA format (as generated by MESA when the pulse_info_format parameter is set to 'GYRE')
  • 'B3' : HDF5 file describing an evolutionary model in B3 format. This format is for testing purposes only, and will eventually be superseded / removed
  • 'OSC' : text file describing an evolutionary model in OSC format
  • 'FGONG' : text file describing an evolutionary model in FGONG format
  • 'FAMDL' : text file describing an evolutionary model in FAMDL format (version >= 2.1)

Cubic spline interpolation is used to evaluate data between model grid points. The deriv_type field in the &coeffs namelist controls how the spline derivatives are set up.

Updated

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