The radiant power of a star

P ¯ 0 = 6.35 × 10 26 W

The number density of stars

n ¯ L = 2.17 × 10 58 / m 3

The light-blocking radius of a star

r ¯ 0 = 4 × 10 8 m

The radiant emittance of the star’s surface

R ¯ e = 3.16 × 10 8 W / m 2

The temperature of the star’s surface

T ¯ 0 = 8640 K