Astrophysics (index)

Radiant Flux

(measure of brightness)

Radiant Flux (often symbolized φe) the rate of of energy (power) emitted/radiated by something, e.g., Joules per second or watts. A star's radiant Flux is called its Luminosity (L).

Spectral Fluxe,ν or φe,λ) is the radiant power per hertz (Frequency) or meter (Wavelength).


(EMR,measure)
http://en.wikipedia.org/wiki/Radiant_flux

Referenced by:
Flux
Radiometer
Spectral Index (α)

index