Stellar Luminosity & Properties

L = 4πR²σT⁴ — luminosity, absolute magnitude, and habitable zone from temperature and radius.

Input mode

Temperature (K)

Radius (R☉)

Stellar Properties

G (yellow, like Sun)

T = 5778 K

R = 1 R☉

L = 1.0042 L☉

Habitable Zone

Luminosity1.0042 L☉

Luminosity (L☉)1.0042 L☉

Luminosity (W)3.844e+26 W

Temperature5778 K

Spectral class (approx)G (yellow, like Sun)

Radius (R☉)1 R☉

Radius (m)695700000 m

Absolute magnitude4.825

Habitable zone inner0.9554 AU

Habitable zone outer1.376 AU

Habitable zone uses simple flux model: inner at 1.1 S☉, outer at 0.53 S☉ (Kopparapu approximation).

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