AlnilamvsTarf
Tarf has a higher Declination (9 vs -1 °), while Tarf has a higher Color Index (B-V) (1 vs 0), while Alnilam has a higher Luminosity (67,484 vs 292 × Sun).
Brightness
2
Apparent Magnitude
4
-7
Absolute Magnitude
-1
67,484
Luminosity
292
Physical Properties
1,977
Distance
303
13,211
Surface Temperature
3,822
0
Color Index (B-V)
1
Position
6
Right Ascension
8
-1
Declination
9
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Data sourced from HYG Database (Free for any purpose, including commercial).