Candela frequency and that has a radiant intensity in that direction of watt per steradian. The definition describes how to produce a light source that (by definition) emits one candela, but does not specify the luminosity function for weighting radiation at other frequencies. Such a source could then be used to calibrate instruments designed to measure luminous intensity with reference to a specified luminosity function. An appendix to the SI Brochure makes it clear that the luminosity function is not uniquely specified, but must be selected to fully define the candela. The candela is sometimes still called by the old name
Candela Ferro Entertainment Latin America. As part as her collaborations with the cable network, she recently interviewed Ricky Martin in the special entitled “Ricky Martin en Candela.” In 2007 and 2008, Candela was the host of the new weekend edition of Telemundo's "Al Rojo Vivo" called Al Rojo Vivo: Fin de Semana con Candela Ferro. The Argentinean journalist interviewed Brad Pitt and Cate Blanchett in an exclusive one and one for Warner Channel Latin America, for the premiere of the movie "The Curious Case of Benjamin Button". In 2006 Candela joined E! Entertainment Latin America, for her own show "Mil Preguntas Una