# Table: Bessell U passband
# X axis: Wavelength Unit: Å
# Y axis: Filter Transmission Unit: 
3000.0	0.0
3050.0	0.016
3100.0	0.068
3150.0	0.167
3200.0	0.287
3250.0	0.423
3300.0	0.56
3350.0	0.673
3400.0	0.772
3450.0	0.841
3500.0	0.905
3550.0	0.943
3600.0	0.981
3650.0	0.993
3700.0	1.0
3750.0	0.989
3800.0	0.916
3850.0	0.804
3900.0	0.625
3950.0	0.423
4000.0	0.238
4050.0	0.114
4100.0	0.051
4150.0	0.019
4200.0	0.0