!# $B$ filter from Buser & Kurucz (1978), A&A 70, 555 
!# (= Azusienis & Straizys 1969).
!# To use for all colors except $U-B$.
!# See also "B_B90.txt".
"B3_BK78"
"energy"       
"Vega"    0.
 3600.   0.000   
 3650.   0.006   
 3700.   0.030   
 3750.   0.060
 3800.   0.134
 3850.   0.302
 3900.   0.567
 3950.   0.841
 4000.   0.959
 4050    0.983
 4100.   0.996
 4150.   1.000
 4200.   0.996
 4250.   0.987
 4300.   0.974
 4350.   0.957
 4400.   0.931
 4450.   0.897
 4500.   0.849
 4550.   0.800
 4600.   0.748
 4650.   0.698
 4700.   0.648
 4750.   0.597
 4800.   0.545
 4850.   0.497
 4900.   0.447
 4950.   0.397
 5000.   0.345
 5050.   0.297
 5100.   0.252
 5150.   0.207
 5200.   0.166   
 5250.   0.129
 5300.   0.095
 5350.   0.069
 5400.   0.043
 5450.   0.024
 5500.   0.009
 5550.   0.000
