The CGRO/BATSE database includes many types of data such as the 16-channel continuous background or medium energy resolution burst data (CONT and MER data types). We have calculated some four hundred burst's medium energy resolution spectra and Principal Component Analysis has been applied. We found five components can describe GRBs' spectra.
Cite
@article{arxiv.astro-ph/0510323,
title = {Analysis of the BATSE Continuous MER data},
author = {P. Veres and I. Horvath and L. G. Balazs},
journal= {arXiv preprint arXiv:astro-ph/0510323},
year = {2010}
}