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####                         License and Permissions                        ####
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#    Herschel/SPIRE Spectral Feature Finder: A program to extract significant 
#    spectral features from SPIRE spectral data.
#    Copyright (C) 2020  (authors listed below).
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or any 
#    later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see https://www.gnu.org/licenses/gpl-3.0.html
#    
#    Acknowledging or Citing the Feature Finder Software or Products:
#    If you plan to use this notebook for research or work publications we 
#    ask that you please cite the following Feature Finder Paper:
#    
#    * R Hopwood, I Valtchanov, L D Spencer, J Scott, C Benson, N Marchili, 
#    N Hładczuk, E T Polehampton, N Lu, G Makiwa, D A Naylor, B G Gom, G Noble, 
#    M J Griffin, The Herschel SPIRE Fourier Transform Spectrometer Spectral 
#    Feature Finder I. The Spectral Feature Finder and Catalogue, Monthly 
#    Notices of the Royal Astronomical Society, Volume 496, Issue 4, August 
#    2020, Pages 4874–4893, https://doi.org/10.1093/mnras/staa1612
#    
#    * and provide link and refer to DOI https://doi.org/10.5270/esa-lysf2yi