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Welcome to the special documentation

Recent technological progress in high-contrast imaging has allowed the spectral characterization of directly imaged giant planet and brown dwarf companions at ever shorter angular separation from their host stars, hence opening a new avenue to study their formation, evolution, and composition.

In this context, special is a Python package providing the tools to analyse the low- to medium-resolution optical/IR spectra of these directly imaged (sub)stellar companions. While some tools are specific to the SPEctral Characterization of directly ImAged Low-mass companions, the main features of special can also be used in a more general way for the characterisation of any object with a measured spectrum, provided an input model or template grid.

API