description HD 160691 c Overview
HD 160691 c is an exoplanet orbiting the G-type star HD 160691, also known as Mu Arae. With a minimum mass of roughly 14 Earth masses, it was reported in 2004 as one of the early Neptune-mass planets found around a Sun-like star. The planet was detected by measuring periodic changes in the host star's radial velocity.
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What is HD 160691 c also called?
HD 160691 c orbits HD 160691, a G-type star also known as Mu Arae. The system became an important early example of multiple planets around a Sun-like star.
How massive is HD 160691 c?
HD 160691 c has a minimum mass of roughly 14 Earth masses. That places it near the Neptune-mass range, although the exact true mass depends on orbital inclination.
When was HD 160691 c reported?
HD 160691 c was reported in 2004. Its detection came from periodic radial-velocity changes measured in the Mu Arae system.
Why was HD 160691 c historically important?
It was among the early Neptune-mass planets identified around a Sun-like star. Discoveries like this broadened exoplanet research beyond Jupiter-mass planets.
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