Absolute Magnitude Calculator

Absolute Magnitude Calculator calculator can be used to calculate the absolute magnitude of a celestial object based on its apparent magnitude and distance from Earth.

Input Parameters

Calculation Results

Calculation Formula

M = m - 5 * log10(d) + 5

Where:
M = Absolute Magnitude
m = Apparent Magnitude
d = Distance in parsecs

Result

Absolute Magnitude (M): --

Absolute Magnitude Calculator Usage Guide

Learn how to use the Absolute Magnitude Calculator calculator and its working principles

How to Use the Calculator

  1. Enter the apparent magnitude (m) of the celestial object in the input field.
  2. Enter the distance (in parsecs) of the celestial object from Earth in the input field.
  3. Click the "Calculate" button to compute the absolute magnitude.
  4. The result will be displayed in the "Absolute Magnitude (M)" field.

Understanding Absolute Magnitude

Absolute magnitude is a measure of the intrinsic brightness of a celestial object. It is defined as the apparent magnitude that the object would have if it were placed at a standard distance of 10 parsecs from the observer.

The formula used to calculate absolute magnitude (M) from apparent magnitude (m) and distance (d in parsecs) is:

M = m - 5 * log10(d) + 5

Where:

  • M = Absolute Magnitude
  • m = Apparent Magnitude
  • d = Distance in parsecs