Lyon Data center for the Sciences of the Universe: LyDU
Lyon Spectral Interpolator (LySI)
The LySI online service computes interpolated stellar spectra at a given point of the parameter space.
Currently, the interface gives access to two recent interpolator models, based on the ELODIE and MILES libraries of observed spectra,
and to older versions of these interpolators (maintened for references and comparisons). The parameter space has three dimensions: Teff, logg and [Fe/H].
These models are global polynomial interpolators described in
Prugniel & Soubiran (2001),
Wu et al. (2011),
Prugniel et al. (2011)
and Sharma et al. (2016).
They are continuous and derivable all throughout the parameter space.