The first line of version-0.19 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}] |
5 | 19 | integer | version number |
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 | \Gamma_{1} | real | adiabatic exponent |
11 | \nabla_{\rm ad} | real | adiabatic temperature gradient |
12 | \upsT | real | thermodynamic coefficient |
13 | \kappa | real | opacity [\cm^{2}\,\gram^{-1}] |
14 | \kapT | real | opacity partial |
15 | \kaprho | real | opacity partial |
16 | \epsilon | real | total energy generation rate [\erg\,\second^{-1}\,\gram^{-1}] |
17 | \epsnuc\,\epsnucT | real | nuclear energy generation partial [\erg\,\second^{-1}\,\gram^{-1}] |
18 | \epsnuc\,\epsnucrho | real | nuclear energy generation partial [\erg\,\second^{-1}\,\gram^{-1}] |
19 | \Orot | real | rotation angular frequency [\radian\,\second^{-1}] |