Euclid:
  from http://svo2.cab.inta-csic.es/svo/theory/fps3/index.php?mode=browse&gname=Euclid&asttype=
  
SLOAN_SDSS:
  from http://svo2.cab.inta-csic.es/svo/theory/fps3/index.php?mode=browse&gname=Euclid&asttype=

ARRAKIHS:  
  from Alex Camazon
  The response corresponds to the total system:  the transmission of the filter, 
  the transmission of the camera (refractions and reflections) and the 
  Quantum efficiency of the detector.
  
  new VIS filters with blue coating (Fri 21 Jun 18:14:04 CEST 2024)
  https://nextcloud.arrakihs-mission.eu/index.php/f/394140

 
  New filters names: https://nextcloud.arrakihs-mission.eu/index.php/f/394140
  
  
                                        new naming 
  
  24-06-2023    version originale       -> v1
  
  24-06-2024_v1                         no longer consider it
  24-06-2024_v2                         -> v2
  08-08-2024_v3                         -> v3
  
  ./ark_plotFilters ARRAKIHS_VIS1v1.dat ARRAKIHS_VIS2v1.dat ARRAKIHS_NIR1v1.dat ARRAKIHS_NIR2v1.dat
  ./ark_plotFilters ARRAKIHS_VIS1v2.dat ARRAKIHS_VIS2v2.dat ARRAKIHS_NIR1v2.dat ARRAKIHS_NIR2v2.dat
  ./ark_plotFilters ARRAKIHS_VIS1v3.dat ARRAKIHS_VIS2v3.dat ARRAKIHS_NIR1v3.dat ARRAKIHS_NIR2v3.dat