D65.illuminant.spct: CIE D65 illuminant data

Description Format Details Author(s)


A dataset containing wavelengths at a 5 nm interval (300 nm to 830 nm) and the corresponding spectral energy irradiance normalized to 1 at 560 nm. Spectrum approximates the midday solar spectrum at middle latitude as 'corresponds' to the white point of a black body a 6504 K. Original data from http://files.cie.co.at/204.xls downloaded on 2014-07-25 The variables are as follows:


A source spectrum with 107 rows and 2 variables


  • w.length (nm)

  • s.e.irrad (rel. units)



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