FomalhautvsMesarthim
Mesarthim has a higher Declination (19 vs -30 °), while Fomalhaut has a higher Color Index (B-V) (0 vs 0), while Fomalhaut has a higher Right Ascension (23 vs 2 h).
Brightness
1
Apparent Magnitude
4
2
Absolute Magnitude
0
18
Luminosity
62
Physical Properties
25
Distance
164
8,615
Surface Temperature
10,752
0
Color Index (B-V)
0
Position
23
Right Ascension
2
-30
Declination
19
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Data sourced from HYG Database (Free for any purpose, including commercial).