description HD 160691 d Overview
HD 160691 d is a gas-giant exoplanet associated with the mu Arae system around the nearby G-type star HD 160691. It is one of several reported companions detected through radial-velocity measurements, a technique that infers a planet from the periodic motion of its host star. Its relatively long orbital period places it among the more distant members of the system. The object is of interest because mu Arae was an early, closely studied example of a compact multi-planet system around a Sun-like star.
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What is HD 160691 d?
HD 160691 d is a reported gas-giant companion in the planetary system around HD 160691, also known as mu Arae. The system orbits a nearby G-type star.
How was HD 160691 d detected?
HD 160691 d was associated with radial-velocity measurements. This technique detects periodic motion in the host star caused by gravitationally bound companions.
Is HD 160691 d the only planet around mu Arae?
No. HD 160691 d is one of several reported companions in the mu Arae system. Multiple signals around the same star made the system a useful case for studying multi-planet orbital solutions.
What star does HD 160691 d orbit?
It orbits HD 160691, the star commonly called mu Arae. The host is a nearby G-type star in the constellation Ara.
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