AltaisvsCastor
Altais has a higher Color Index (B-V) (1 vs 0), while Altais has a higher Right Ascension (19 vs 8 h), while Altais has a higher Declination (68 vs 32 °).
Brightness
3
Apparent Magnitude
2
1
Absolute Magnitude
1
46
Luminosity
49
Physical Properties
97
Distance
51
4,767
Surface Temperature
9,720
1
Color Index (B-V)
0
Position
19
Right Ascension
8
68
Declination
32
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Data sourced from HYG Database (Free for any purpose, including commercial).