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HD 197027
HD 197027 (HIP 102152) is a star in the constellation Capricornus that is located about 250 light years from the Sun.
The measured properties of this star are very similar to those of the Sun, making it a candidate solar twin. The abundances of 21 elements overall are more similar to the Sun than any other known solar twin. Additionally, the effective temperature, surface gravity, and microturbulence are nearly identical to the Sun's. However, it is significantly older than the Sun, being approximately 3.6 billion years older. The fact that the abundances are so similar to the Sun's suggests that it is a potential candidate for hosting terrestrial type planets.
== Age ==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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