This directory contains Herschel HIFI spectra and spectral maps from the Highly Processed Data Products (HPDP) data set. Read more about the HPDP project here: http://irsa.ipac.caltech.edu/data/Herschel/HPDP/overview.html Each of the directories below represents a different HIFI band: band6a: 1430.2-1557.8 GHz band6b: 1578.2-1697.8 GHz band7a: 1701.2-1793.8 GHz band7b: 1793.2-1901.8 GHz The spectral files within each directory are described in the HPDP README file: http://irsa.ipac.caltech.edu/data/Herschel/HPDP/docs/README.pdf