description HD 160691 e Overview
HD 160691 e is one of the planets associated with the mu Arae system, which orbits the nearby solar-type star HD 160691 in the constellation Ara. The system became a benchmark for radial-velocity studies because several companions were reported around the same star, including objects with very different orbital periods and inferred masses. HD 160691 e is described as a gas giant and is identified through the motion it induces in its host star. Its parameters depend on the adopted multi-planet orbital model.
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What is HD 160691 e?
HD 160691 e is a reported planet associated with the multi-planet system around HD 160691, also called mu Arae. It is one of several companions identified around this solar-type star.
Why is the mu Arae system important in exoplanet research?
The system became a benchmark for radial-velocity studies because several companions were reported around the same star. That made orbital interpretation more complex than for a single-planet system.
How was HD 160691 e identified?
HD 160691 e was identified through radial-velocity work, which measures the host star's periodic motion. Such detections are based on the star's movement rather than a direct image of the planet.
What is another name for the star that HD 160691 e orbits?
HD 160691 is widely known as mu Arae. It is a nearby solar-type star located in the constellation Ara.
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