The table below compiles information about the distance of various stars from Earth, their apparent magnitude, and their absolute magnitude. Which star
has the greatest luminosity?
Star
Sirius
Vega
Arcturus
Aldebaran
Rigel
Betelgeuse
Apparent Magnitude and Absolute Magnitude of Various Stars
Distance from Apparent
Absolute
Earth (ly) Magnitude Magnitude
8.6
-1.46
1.4
25
0.03
0.6
34
-0.04
-0.3
60
-0.3
1.400
0.12
-8.1
1.400
0.50
-7.2
0.85

O a. Sirius
O b. Rigel
O c. Arcturus
O d. Betelgeuse