ULySS: A Full Spectrum Fitting Package

Details ULySS: A Full Spectrum Fitting Package ULySS: A Full Spectrum Fitting Package

Apr 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ascl.soft04007k&link_type=abstract

Astrophysics Source Code Library, record ascl:1104.007

Astronomy and Astrophysics

Astrophysics

Scientific paper

ULySS (University of Lyon Spectroscopic Analysis Software) is an open-source software package written in the GDL/IDL language to analyze astronomical data. ULySS fits a spectrum with a linear combination of non-linear components convolved with a line-of-sight velocity distribution (LOSVD) and multiplied by a polynomial continuum. ULySS is used to study stellar populations of galaxies and star clusters and atmospheric parameters of stars.

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