!# $g$ filter from Thuan & Gunn (1976), PASP 88, 543.
"g"
"energy"       
"TG"
 4200.   0.000
 4250.   0.029
 4300.   0.050
 4350.   0.087
 4400.   0.124
 4450.   0.231
 4500.   0.339
 4550.   0.500
 4600.   0.661
 4650.   0.785
 4700.   0.909
 4750.   0.955
 4800.   1.000
 4850.   0.975
 4900.   0.950
 4950.   0.921
 5000.   0.893
 5050.   0.843
 5100.   0.793
 5150.   0.731
 5200.   0.669
 5250.   0.533
 5300.   0.397
 5350.   0.289
 5400.   0.182
 5450.   0.132
 5500.   0.083
 5550.   0.066
 5600.   0.050
 5650.   0.037
 5700.   0.025
 5750.   0.021
 5800.   0.017
 5850.   0.012
 5900.   0.008
 5950.   0.004
 6000.   0.000
