new candle

A unit of luminous intensity created by the CIPM in 1946 to replace the international candle. The new candle is defined by taking the luminous intensity of a square centimeter of a blackbody radiator at the temperature at which molten platinum solidifies as 60 new candles (it is 58.9 international candles).

The new candle was renamed the candela by the 9th CGPM in 1948. It is 1 lumen per steradian.

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