HD 181720

Autor(i): SolaraSystem

Dátum vydania:

HD 181720, also known as Sika, is a single G1V-type main-sequence star about 196 light-years away in the constellation Sagittarius . A gas giant with a minimum mass of approximately 0.37 times that of Jupiter was discovered orbiting this star via the radial velocity method in 2009, with an orbital period of 956 days (2.62 years) at a semi-major axis of 1.78 AU.

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