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RDF Terms

Watt per Square Meter Steradian

Watt per Square Metre Steradian

\(\textbf{Watt per steradian per square metre}\) is the SI unit of radiance (\(W·sr^{-1}·m^{-2}\)), while that of spectral radiance in frequency is the watt per steradian per square metre per hertz (\(W·sr^{-1}·m^{-2}·Hz^{-1}\)) and that of spectral radiance in wavelength is the watt per steradian per square metre, per metre (\(W·sr^{-1}·m^{-3}\)), commonly the watt per steradian per square metre per nanometre (\(W·sr^{-1}·m^{-2}·nm^{-1}\)). It has a dimension of \(ML^{-4}T^{-3}\) where \(M\) is mass, \(L\) is length, and \(T\) is time. This unit is the standard SI unit in this category.

1.0

\(W/(m^2.sr)\)

http://asd-www.larc.nasa.gov/Instrument/ceres_units.html

http://www.efunda.com/glossary/units/units--radiance--watt_per_square_meter_per_steradian.cfm

https://en.wikipedia.org/wiki/Radiance

W/(m²⋅sr)

W.m-2.sr-1

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