// multi-utility computation suite · offline · instant · precise
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sci.stellar-luminosity-HR Calculator
Calculates stellar luminosity from absolute magnitude using the scale: M_V = −2.5 log₁₀(L/L☉) + 4.74. Absolute visual magnitude of the Sun M_V = +4.83 — Sirius A: M_V = +1.43 (21× more luminous); Rigel: M_V = −7 (120,000× more luminous).
Inputs
Radius Solar
Distance from centre to edge of a circle. Radius = diameter / 2.
T Eff K
Thermal state of the substance. Check whether the formula needs Celsius, Fahrenheit, or Kelvin (K = °C + 273.15).
Results
luminosity L (solar luminosities)
Total power output of a star or light source in watts or solar luminosities. Relates to absolute magnitude.
luminosity L (Watts)
Total power output of a star or light source in watts or solar luminosities. Relates to absolute magnitude.
absolute bolometric magnitude
Sample size or count used in the calculation.
L = R²·(T/T☉)⁴
Reference formula or conversion factor shown for context.