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What does d represent in the equation below? m = M + 5 log(d/10) A. luminosity B. spectral class C. diameter of a star D. distance to a star

What does d represent in the equation below? m = M + 5 log(d/10) A. luminosity B. spectral class C. diameter of a star D. distance to a star
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What does d represent in the equation below?

m = M + 5 log(d/10)
A. luminosity
B. spectral class
C. diameter of a star
D. distance to a star

asked
User Aduguid
by
7.8k points

1 Answer

2 votes
The correct answer is letter D. distance to a star.

In astrophysics, M = m - 5 log(d/10)
where
m - apparent magnitude
M - absolute magnitude
m - apparent magnitude
d - distance measured in parsec
answered
User Pons
by
7.5k points
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