18 Scorpii

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Absolute magnitude: 4.77
Spectral type: G5 V
Surface temperature: 5,789 K

18 Scorpii is a type G5V main sequence star and the central component of the 18 Scorpii system, a major human population center. The star is very similar to Sol, the sun of the human home system, in mass, luminosity, temperature, speed of rotation, surface activity, metallicity, and the fact that it is solitary.

18 Sco has a rotation period of 23 days and appears to be slightly younger than Sol (4.2 billion years compared with 4.54 billion years).

Other catalog designations Gl 616, HD 146233, HIC 79672, SAO 141066, HR 6060