Atmosphere model
plane-parallel 1D MAFAGS-OS spherical 1D MARCS spherical 1D RSG-MARCS coverage

Stellar parameters from a file? (please use the same format)

Star_name(unique per line) Teff log(g) [Fe/H] Vmic ( Vmac Vrot : optional)

Input from a file ? select file:

few selected spectral lines

(put 0 for no convolution -fastest)

SNR Change spectral sampling (default 5 mÅ):

Overplot an observed stellar spectrum ? select file (only text table supported):
Radial velocity (km/s)

NLTE elements (for RSG-MARCS always Mg,Si,Ti,Fe):

Scaling factors used in NLTE calculations with DETAIL
chemical abundances in atmospheric models

Modify element abundance (with respect to model atmosphere , in Δ[X/Fe]) :