A unit of luminous intensity equal to1/60 of the luminous intensity per square centimeter of a blackbody radiating at the temperature of solidification of platinum(2, 046=K).

• 堪，烛光亮度单位，等于一个在铂的凝固点（2，046＝k）时进行辐射的黑体每平方厘米发光强度的六十分之一