AlphergvsMesarthim
Mesarthim has a higher Absolute Magnitude (0 vs -2 mag), while Alpherg has a higher Color Index (B-V) (1 vs 0), while Alpherg has a higher Luminosity (357 vs 62 × Sun).
Brightness
4
Apparent Magnitude
4
-2
Absolute Magnitude
0
357
Luminosity
62
Physical Properties
350
Distance
164
4,806
Surface Temperature
10,752
1
Color Index (B-V)
0
Position
2
Right Ascension
2
15
Declination
19
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Data sourced from HYG Database (Free for any purpose, including commercial).