description HD 160691 b Overview
HD 160691 b is a giant exoplanet orbiting the nearby G-type star mu Arae, also designated HD 160691. It was the first confirmed planet reported in the mu Arae system, which is now known to contain multiple planets. The planet was detected through changes in the star's radial velocity, and the system lies roughly 50 light-years from Earth.
help HD 160691 b FAQ
What is HD 160691 b?
HD 160691 b is a giant planet orbiting the nearby G-type star mu Arae, also designated HD 160691. It was the first confirmed planet reported in that system.
How was HD 160691 b detected?
It was detected through changes in the radial velocity of its host star. Those changes reveal the gravitational pull of an orbiting planet on mu Arae.
Why is HD 160691 b important in exoplanet history?
It was the first confirmed planet reported around mu Arae, or HD 160691. The system later became known to contain multiple planets, making the first discovery part of a larger planetary system.
Are mu Arae and HD 160691 two different stars?
No. They are two designations for the same G-type star, which is the host of HD 160691 b. Using both names helps connect the planet record with different star catalogs.
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