CastulavsMegrez
Megrez has a higher Right Ascension (12 vs 1 h), while Castula has a higher Color Index (B-V) (1 vs 0), while Castula has a higher Distance (200 vs 81 light-years).
Brightness
5
Apparent Magnitude
3
1
Absolute Magnitude
1
46
Luminosity
25
Physical Properties
200
Distance
81
4,848
Surface Temperature
9,256
1
Color Index (B-V)
0
Position
1
Right Ascension
12
59
Declination
57
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Data sourced from HYG Database (Free for any purpose, including commercial).