!# $B$ filter from Buser & Kurucz (1978), A&A 70, 555 
!# (= Azusienis & Straizys 1969).
!# To use for $U-B$ only.
!# See also "BX_B90.txt".
"B2_BK78"
"energy"       
"Vega"    0.
 3600.   0.000
 3650.   0.006
 3700.   0.023
 3750.   0.045
 3800.   0.106
 3850.   0.254
 3900.   0.492
 3950.   0.752
 4000.   0.881
 4050    0.923
 4100.   0.955
 4150.   0.977
 4200.   0.990
 4250.   1.000
 4300.   1.000
 4350.   0.997
 4400.   0.984
 4450.   0.958
 4500.   0.916
 4550.   0.871
 4600.   0.820
 4650.   0.775
 4700.   0.723
 4750.   0.672
 4800.   0.617
 4850.   0.569
 4900.   0.511
 4950.   0.457
 5000.   0.402
 5050.   0.347
 5100.   0.299
 5150.   0.244
 5200.   0.199
 5250.   0.154
 5300.   0.113
 5350.   0.084
 5400.   0.051
 5450.   0.029
 5500.   0.010
 5550.   0.000
