AlphardvsArcturus
Arcturus has a higher Declination (19 vs -9 °), while Alphard has a higher Apparent Magnitude (2 vs 0 mag), while Arcturus has a higher Absolute Magnitude (0 vs -2 mag).
Brightness
2
Apparent Magnitude
0
-2
Absolute Magnitude
0
426
Luminosity
116
Physical Properties
180
Distance
37
3,886
Surface Temperature
4,234
1
Color Index (B-V)
1
Position
9
Right Ascension
14
-9
Declination
19
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Data sourced from HYG Database (Free for any purpose, including commercial).