Passband filter curves

Johnson-Cousin

U: Effective central wavelength 365.6nm, FWHM 34.0nm
B: Effective central wavelength 435.3nm, FWHM 78.1nm
V: Effective central wavelength 547.7nm, FWHM 99.1nm
R: Effective central wavelength 634.9nm, FWHM 106.56nm
I: Effective central wavelength 879.7nm, FWHM 289.2nm

Resources

http://www.aip.de/en/research/facilities/stella/instruments/data/johnson-ubvri-filter-curves