#                            GMOS Gratings
#                                Blaze              Simultaneous Wavelength Wave.  Y 
#  Grating   Ruling density   wavelength      R       coverage    interval  offset offset
#               [lines/mm]
#                                [nm]                   [nm]        [nm]   [nm]  [px]
# GMOS-N
B1200+_G5301      1200            463        3744       143       300 1180 0. 0.0
B1200-_G5301      1200            463        3744       143       300 1180 0. 0.0
R831+_G5302        831            757        4396       207       400 1180 -0.5 20.0
R831-_G5302        831            757        4396       207       400 1180 -0.5 20.0
B600+_G5303        600            461        1688       276       300 1180   0.0 50.0
B600-_G5303        600            461        1688       276       300 1180   0.0 50.0
R600+_G5304        600            926        3744       286       300 1180 0. 0.0
R600-_G5304        600            926        3744       286       300 1180 0. 0.0
R400+_G5305        400            764        1918       416       400 1180 0. +6.0
R400-_G5305        400            764        1918       416       400 1180 0. +6.0
R150+_G5306        150            717        631        1071      400 1180 -8.3 20.0
R150-_G5306        150            717        631        1071      400 1180 -8.3 20.0
B600+_G5307        600            461        1688       276       300 1180   0.0 0.0
B600-_G5307        600            461        1688       276       300 1180   0.0 0.0

# GMOS-S
B1200+_G5321      1200            463        3744       143       300 1180 0. 80.0
B1200-_G5321      1200            463        3744       143       300 1180 0. 80.0
R831+_G5322        831            757        4396       207       400 1180 0. 80.0
R831-_G5322        831            757        4396       207       400 1180 0. 80.0
B600+_G5323        600            461        1688       276       300 1180 0. 80.0
B600-_G5323        600            461        1688       276       300 1180 0. 80.0
R600+_G5324        600            926        3744       286       300 1180 0. 80.0
R600-_G5324        600            926        3744       286       300 1180 0. 80.0
R400+_G5325        400            764        1918       416       400 1180 0. 85.0
R400-_G5325        400            764        1918       416       400 1180 0. 85.0
R150+_G5326        150            717        631        1071      400 1180 0. 77.0
R150-_G5326        150            717        631        1071      400 1180 0. 77.0