YZVAR isochrones

Fill in the form below.

Z =
Y =
log(age/yr)_max =
Delta log(age) =
eta_Reimers =
alpha_IMF =

Photometric system = UBVRIJHK ACS/HRC ACS/WFC GAIA
with transformations derived from ATLAS9 NOVER ODFNEW spectra.
Note: These different versions of ATLAS9 spectra will provide different colours for the cool dwarfs.