# Version 0.01¶

The first line of version-0.01 MESA-format files is a header with the following columns:

Column |
Symbol |
Datatype |
Definition |
---|---|---|---|

1 |
\(N\) |
integer |
number of grid points |

2 |
\(M\) |
real |
stellar mass [\(\gram\)] |

3 |
\(R\) |
real |
photospheric radius [\(\cm\)] |

4 |
\(L\) |
real |
photospheric luminosity [\(\erg\,\second^{-1}\)] |

The subsequent \(N\) lines contain the model data, one line per grid point extending from the center to the surface, with the following columns:

Column |
Symbol |
Datatype |
Definition |
---|---|---|---|

1 |
\(k\) |
integer |
grid point index (\(k=1,\ldots,N\)) |

2 |
\(r\) |
real |
radial coordinate [\(\cm\)] |

3 |
\(\frac{M_{r}}{M-M_{r}}\) |
real |
transformed interior mass |

4 |
\(L_{r}\) |
real |
interior luminosity [\(\erg\,\second^{-1}\)] |

5 |
\(P\) |
real |
total pressure [\(\barye\)] |

6 |
\(T\) |
real |
temperature [\(\kelvin\)] |

7 |
\(\rho\) |
real |
density [\(\gram\,\cm^{-3}\)] |

8 |
\(\nabla\) |
real |
temperature gradient |

9 |
\(N^{2}\) |
real |
Brunt-Väisälä frequency squared [\(\second^{-2}\)] |

10 |
\(\cV\) |
real |
specific heat at constant volume [\(\erg\,\gram^{-1}\,\kelvin^{-1}\)) |

11 |
\(\cP\) |
real |
specific heat at constant pressure [\(\erg\,\gram^{-1}\,\kelvin^{-1}\)) |

12 |
\(\chi_{T}\) |
real |
equation-of-state partial \((\spderiv{\ln P}{\ln T})_{\rho}\) |

13 |
\(\chi_{\rho}\) |
real |
equation-of-state partial \((\spderiv{\ln P}{\ln \rho})_{T}\) |

14 |
\(\kappa\) |
real |
opacity [\(\cm^{2}\,\gram^{-1}\)] |

15 |
\(\kapT\) |
real |
opacity partial |

16 |
\(\kaprho\) |
real |
opacity partial |

17 |
\(\epsilon\) |
real |
total energy generation rate [\(\erg\,\second^{-1}\,\gram^{-1}\)] |

18 |
\(\epsnuc\,\epsT\) |
real |
nuclear energy generation partial [\(\erg\,\second^{-1}\,\gram^{-1}\)] |

19 |
\(\epsnuc\,\epsrho\) |
real |
nuclear energy generation partial [\(\erg\,\second^{-1}\,\gram^{-1}\)] |