EltaninvsFormosa
Formosa has a higher Absolute Magnitude (1 vs -1 mag), while Eltanin has a higher Luminosity (248 vs 34 × Sun), while Formosa has a higher Apparent Magnitude (6 vs 2 mag).
Brightness
2
Apparent Magnitude
6
-1
Absolute Magnitude
1
248
Luminosity
34
Physical Properties
154
Distance
399
3,762
Surface Temperature
4,719
2
Color Index (B-V)
1
Position
18
Right Ascension
12
51
Declination
20
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Data sourced from HYG Database (Free for any purpose, including commercial).