CelaenovsMesarthim
Mesarthim has a higher Absolute Magnitude (0 vs 0 mag), while Celaeno has a higher Distance (377 vs 164 light-years), while Celaeno has a higher Right Ascension (4 vs 2 h).
Brightness
5
Apparent Magnitude
4
0
Absolute Magnitude
0
77
Luminosity
62
Physical Properties
377
Distance
164
10,570
Surface Temperature
10,752
0
Color Index (B-V)
0
Position
4
Right Ascension
2
24
Declination
19
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Data sourced from HYG Database (Free for any purpose, including commercial).