Infrared astronomy: an introduction - School of Physics
Infrared astronomy: an introduction - School of Physics
Infrared astronomy: an introduction - School of Physics
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Key features <strong>of</strong> Pl<strong>an</strong>ck’s Law (II)<br />
Long λ behaviour governed by “Rayleigh-Je<strong>an</strong>s tail”<br />
I(λ, T) = 2hc2<br />
λ 5 1<br />
e hc<br />
λkT − 1<br />
For large λ, hc/λkT