# extracted from http://www.astrium-geo.com/files/pmedia/public/r453_9_spectralsensivity.xls
# second column HRVIR1, third column HRVIR2
1510  0.003 0.003
1515  0.005 0.010
1520  0.007 0.029
1525  0.008 0.041
1530  0.011 0.056
1535  0.013 0.078
1540  0.018 0.121
1545  0.024 0.191
1550  0.035 0.251
1555  0.055 0.374
1560  0.080 0.484
1565  0.122 0.602
1570  0.162 0.663
1575  0.250 0.771
1580  0.325 0.825
1585  0.492 0.920
1590  0.643 0.984
1595  0.821 0.999
1600  0.926 1.000
1605  1.000 0.996
1610  0.997 0.977
1615  0.942 0.955
1620  0.882 0.943
1625  0.831 0.950
1630  0.806 0.956
1635  0.800 0.968
1640  0.811 0.960
1645  0.819 0.939
1650  0.834 0.896
1655  0.826 0.842
1660  0.805 0.772
1665  0.768 0.713
1670  0.723 0.654
1675  0.669 0.596
1680  0.633 0.519
1685  0.581 0.442
1690  0.509 0.353
1695  0.410 0.261
1700  0.343 0.210
1705  0.282 0.167
1710  0.209 0.123
1715  0.152 0.099
1720  0.122 0.075
1725  0.095 0.062
1730  0.073 0.052
1735  0.056 0.045
1740  0.048 0.036
1745  0.038 0.029
1750  0.032 0.024
1755  0.027 0.020
1760  0.021 0.015
1765  0.017 0.013
1770  0.014 0.010
1775  0.011 0.008
1780  0.009 0.006
1785  0.008 0.006
1790  0.007 0.006
1795  0.006 0.005
1800  0.006 0.004
1805  0.005 0.003
1810  0.004 0.001
