Candela was chosen so that the new definition would precisely match the old definition. Although the candela is now defined in terms of the second (an SI base unit) and the watt (a derived SI unit), the candela remains a base unit of the SI system, by definition. If a source emits a known luminous intensity "I" (in candelas) in a well-defined cone, the total luminous flux "Φ" in lumens is given by where "A" is the "radiation angle" of the lamp—the full vertex angle of the emission cone. For example, a lamp that emits 590 cd with a radiation angle
Candela Ferro Estrella Con Candela Ferro", a cycle of interviews that would reveal her as one of the best interviewers, sage and curious of the television in Spanish market, sharing an hour of conversations with Penélope Cruz, Jennifer López, Javier Bardem, Ricky Martin, Thalía, Paulina Rubio, Gloria Trevi, Daddy Yankee, Enrique Iglesias, Belinda, Alejandro Fernández and Alejandra Guzmán. Al Rojo Vivo: Fin de Semana (2007–present) Candela Ferro Candela Ferro (born November 13, 1973 in Reconquista, Argentina) is an Argentine journalist, model, and current host of Telemundo's "Al Rojo Vivo: Fin de Semana con Candela Ferro" and the E! Latin show "Mil Preguntas,