Which of these properties is the best measure of a star’s brightness?

Answer 1

The best measure of a star's brightness is its apparent magnitude. Apparent magnitude is a logarithmic scale that represents how bright a star appears to an observer on Earth. The lower the apparent magnitude, the brighter the star appears.

Answer 2

apparent magnitude

Answer 3

Yes, the apparent magnitude is indeed the best measure of a star's brightness. It quantifies how bright a star appears from our perspective on Earth. A star's apparent magnitude is determined by factors such as its intrinsic brightness (absolute magnitude) and its distance from Earth. The apparent magnitude scale is logarithmic, where lower values indicate brighter stars and higher values indicate fainter stars.