MergavsRasalgethi
Merga has a higher Absolute Magnitude (2 vs -2 mag), while Rasalgethi has a higher Luminosity (818 vs 10 × Sun), while Merga has a higher Declination (46 vs 14 °).
Brightness
6
Apparent Magnitude
3
2
Absolute Magnitude
-2
10
Luminosity
818
Physical Properties
160
Distance
360
6,472
Surface Temperature
4,381
0
Color Index (B-V)
1
Position
15
Right Ascension
17
46
Declination
14
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Data sourced from HYG Database (Free for any purpose, including commercial).