New ultra-massive ONe white dwarf evolutionary sequences (article) that take into account the process of phase separation expected during the crystallization stage based on phase diagram of dense oxygen/neon mixtures. Realistic chemical profiles resulting from the full computation of progenitor evolution during the semi-degenerate carbon burning along the super-AGB phase are also considered in our sequences. Outer boundary conditions for our evolving models are provided by detailed non-gray white dwarf model atmospheres for hydrogen and helium composition.


Evolutionary tracks (to download)


For each file it is listed from left to right:


Log L: The logarithm of the surface luminosity in solar unit;

Log Teff: The logarithm of the effective temperature (K);

Tc: The logarithm of the central temperature (K) (millon degree);

rho_c: The logarithm of the central density (gr/cm3);

Hc: central H abundance

He: central He abundance

cons: outer convection zone

conc: inner convection zone

log (edad/Myr): The logarithm of the total age in millon years counted from the ZAMS (i.e. the age of progenitor star is included);

Masa: Stellar mass in solar unit;

...

Log Lpp: The logarithm of luminosity (in solar unit) due to proton-proton burning;

Log Lcno: The logarithm of luminosity (in solar unit) due to CNO burning;

Log LHe: The logarithm of luminosity (in solar unit) due to helium burning;

...

Log Lnu: The logarithm of luminosity (in solar unit) due to neutrino losses;

Log MHtot: The logarithm of the hydrogen content in solar mass;

...

Log(grav): The logarithm of surface gravity (cm/s2);

R/R_sun: Stellar radius en solar unit.