RGU system

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RGU system [¦är¦jē′yü ‚sis·təm]

(astronomy)

A system for obtaining a complete assessment of a star's magnitude, based on measurements of the star's brightness when viewed through red, green, and ultraviolet filters.

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Rg
RG line
RG58
RG8
RGB
RGB color
RGB monitor
RGU system
Rh
Rh antigen
Rh blocking serum
Rh blocking test
Rh blood group
Rh blood-group system
Rh factor

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