Apparent Magnitude of Stars Calculator

The Apparent Magnitude of Stars Calculator will calculate the:

  1. Apparent magnitude of a star when its illumination (brightness) is known

Calculation Parameters: None of the values can be zero

Apparent Magnitude of Stars Calculator
Apparent Magnitude of Stars Calculator Results (detailed calculations and formula below)
Apparent magnitude of the star (m)
m = -2.5 log b - 19
m = -2.5 × log() - 19
m = -2.5 × - 19
m =
Apparent Magnitude Of Stars Calculator Input Values
Illumination of the star (b) lux

Please note that the formula for each calculation along with detailed calculations are available below. As you enter the specific factors of each apparent magnitude of stars calculation, the Apparent Magnitude Of Stars Calculator will automatically calculate the results and update the Physics formula elements with each element of the apparent magnitude of stars calculation. You can then email or print this apparent magnitude of stars calculation as required for later use.

We hope you found the Apparent Magnitude Of Stars Calculator useful with your Physics revision, if you did, we kindly request that you rate this Physics calculator and, if you have time, share to your favourite social network. This allows us to allocate future resource and keep these Physics calculators and educational material free for all to use across the globe. We believe everyone should have free access to Physics educational material, by sharing you help us reach all Physics students and those interested in Physics across the globe.

[ 9 Votes ]
Discover Physics with free Physics Revision Notes and Physics Calculator: Apparent Magnitude Of Stars. This image shows the properties and apparent magnitude of stars formula for the Apparent Magnitude Of Stars.

Related Physics Sections with Tutorials

Section 12: Optics

Section 22: Cosmology

Mathematics

Formula and Calculation

m = -2.5 log b - 19

Cosmology Physics Tutorials associated with the Apparent Magnitude Of Stars Calculator

The following Physics tutorials are provided within the Cosmology section of our Free Physics Tutorials. Each Cosmology tutorial includes detailed Cosmology formula and example of how to calculate and resolve specific Cosmology questions and problems. At the end of each Cosmology tutorial you will find Cosmology revision questions with a hidden answer that reveals when clicked. This allows you to learn about Cosmology and test your knowledge of Physics by answering the test questions on Cosmology.

Physics Calculators

You may also find the following Physics calculators useful.