absolute luminosity

absolute luminosity

[′ab·sə‚lüt lü·mə′näs·ə·dē]
(optics)
The luminosity of an object expressed in units of fundamental quantities.
References in periodicals archive ?
Therefore, the total power P received by the mirror is the total power emitted by the source, its absolute luminosity L, times a factor R([t.sub.e])/R([t.sub.o]), and times the fraction (Eq.
For example, this mass-luminosity relation is only valid for the absolute luminosity, while a direct measurement yields only an apparent brightness.