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
Paco Candela he made his professional debut, starting in a 1–1 home draw against CD Numancia, for the campaign's Copa del Rey. On 16 January 2015 Candela was loaned to Sevilla Atlético, until June. He subsequently returned to "Lega" after his loan expired and scored his first professional goal on 23 August, netting his team's first in a 2–3 away loss against UD Almería through a free kick. Paco Candela Francisco 'Paco' Antonio Candela Pascual (born 19 January 1993) is a Spanish footballer who plays for Hércules CF. Mainly a central defender, he can also play as a defensive midfielder. Born in