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The measure of energy output from a star per second is referred to as its luminosity. Luminosity is typically expressed in watts (W) or in terms of the Sun's luminosity, denoted as Lā. This value quantifies the total amount of energy radiated by the star across all wavelengths in a given time period, reflecting its intrinsic brightness.
Wikipedia lists a surface temperature of 4300 K.
Roughly 12.57 times the square of its radius.
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New energy star models are about 470 kWh per year.