GammaLib is a self-contained, instrument independent, open source, multi-platform C++ library that implements all code required for high-level science analysis of astronomical gamma-ray data. GammaLib is also wrapped into a Python module.
GammaLib does not rely on any third-party software, except of HEASARC's cfitsio library that is used to implement the FITS interface. Large parts of the code treat gamma-ray observations in an abstract representation, and do neither depend on the characteristics of the employed instrument, nor on the particular formats in which data and instrument response functions are delivered. Instrument specific aspects are implemented as isolated and well defined modules that interact with the rest of the library through a common interface. This philosophy also enables the joint analysis of data from different instruments, providing a framework that allows for consistent broad-band spectral fitting or imaging.
- Supports Imaging Cherenkov Telescope Array data analysis (and in particular CTA)
- Supports Fermi/LAT data analysis
- Supports COMPTEL data analysis
- FITS, Xspec and XML interfaces
- IRAF parameter interface
- Comes as C++ API and Python module
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