On Mon, Oct 20, 2014 at 11:46 PM, Craig Haynie <cchayniepub...@gmail.com> wrote: > But the question I've been trying to ask, isn't the color adjusted by the > emissivity factor? So if the emissivity is 0.75, then doesn't this mean > that the observed color is less than the actual temperature? > As I have already reasoned the answer is no, because in this situation T is given (i.e.measured) and q is calculated so the emissivity factor will only adjust the output power downwards. If q was known, say by flow calorimetry, then the emissivity factor would bump T upwards. Harry