unit:W-PER-M2-SR

Type
Description

$$\textbf{Watt per steradian per square metre}$$ 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.

Properties
W/(m²⋅sr)
W.m-2.sr-1
Annotations
$$\textbf{Watt per steradian per square metre}$$ 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.
$$W/(m^2.sr)$$