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sci.apparent-magnitude-flux Calculator
Calculates stellar apparent magnitude from flux density and converts between flux and magnitude using m = −2.5 log₁₀(F/F₀). A magnitude 1 difference corresponds to a flux ratio of 2.512 — the full moon (m = −12.7) is about 14 magnitudes brighter than the faintest naked-eye stars.
Inputs
Star Luminosity Lsun
Reference formula or conversion factor shown for context.
Distance Pc
Separation between two points or total path length. Check that units are consistent throughout the calculation.
Wavelength Band
Reference formula or conversion factor shown for context.
Results
apparent magnitude m
Sample size or count used in the calculation.
absolute magnitude M
Sample size or count used in the calculation.
distance modulus dm
The computed distance or separation.
m = M + 5·log₁₀(d) - 5
Reference formula or conversion factor shown for context.