An object with brightness b has apparent magnitude $\frac{2}{5}log\left(\frac{b_0}{b}\right)$, where b0 is the brightness of an object with magnitude 0.

Question

Quizplus · Accepted Answer

The correct formula for apparent magnitude is $m = -2.5 \log_{10}\left(\frac{b}{b_0}\right)$, where $m$ is the apparent magnitude, $b$ is the brightness of the object, and $b_0$ is the brightness of an object with magnitude 0.

An Object with Brightness B Has Apparent Magnitude 25log(b0b)\frac{2}{5}log\left(\frac{b_0}{b}\right)52​log(bb0​​) , Where B0 Is the Brightness of an Object with Where

An Object with Brightness B Has Apparent Magnitude $\frac{2}{5}log\left(\frac{b_0}{b}\right)$ , Where B0 Is the Brightness of an Object with Where