HELIOS-K is an opacity calculator, running on GPUs.
A new paper of Helios-K, version 2.0 is published (https://ui.adsabs.harvard.edu/abs/2021ApJS..253...30G/abstract)
The Molecule and useHITEMP arguments in the param.dat file are not valid anymore. Species must now be set by Species Name. The database is written from the < species >.param file.
All species must have now a < species >.param file, which contains all necessary information about the line list.
The documentation of HELIOS-K can be found at https://helios-k2.readthedocs.io/