Distance Modulus
the distance modulus of the star indicates the amount (in magnitudes) by which distance has dimmed the starlight. It is given by the amount:
\[5 \log(d/10\ pc)\]
the distance modulus of the star indicates the amount (in magnitudes) by which distance has dimmed the starlight. It is given by the amount:
\[5 \log(d/10\ pc)\]