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**1. Homework Statement**

Bλ(T) = β Bν(T) / λ2

v = frequency

λ = wavelength

find β , if Bλ(T) is in units Watt/m2/μm while Bν(T) is in units Jy (= 10−26 Watt/m2/Hz)

**2. Homework Equations**

**3. The Attempt at a Solution**

I know that first of all Bλ(T) = Bν(T) * |dv/dλ| = Bv(T) * c / λ^2

so at least one part of Beta should be c

Do i multiple Bv(T) Times 10^26 * 10^-6 to account for the different units?

so that β = c * 10^20?

Or is this wrong?