AlterfvsGrumium
Grumium has a higher Absolute Magnitude (1 vs -1 mag), while Alterf has a higher Luminosity (166 vs 33 × Sun), while Alterf has a higher Distance (329 vs 113 light-years).
Brightness
4
Apparent Magnitude
4
-1
Absolute Magnitude
1
166
Luminosity
33
Physical Properties
329
Distance
113
3,733
Surface Temperature
4,354
2
Color Index (B-V)
1
Position
10
Right Ascension
18
23
Declination
57
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Data sourced from HYG Database (Free for any purpose, including commercial).