description Mu Arae b Overview
Mu Arae b is a gas-giant exoplanet orbiting Mu Arae, a G-type star roughly 50 light-years from Earth. It was detected through radial-velocity measurements made with the CORALIE spectrograph and announced in 2000. The planet travels on an orbit lasting several hundred days, and it belongs to a multiplanet system containing both giant planets and a much lower-mass planet close to the star.
help Mu Arae b FAQ
What type of planet is Mu Arae b?
Mu Arae b is a gas-giant exoplanet orbiting the G-type star Mu Arae. It was detected with radial-velocity measurements from the CORALIE spectrograph.
When was Mu Arae b announced?
The discovery of Mu Arae b was announced in 2000. Its orbit lasts several hundred days, much longer than the few-day orbits of many hot Jupiters.
How far away is Mu Arae b?
Mu Arae is roughly 50 light-years from Earth, so its planet Mu Arae b is at a similar distance. The host is a G-type star, the same broad stellar class as the Sun.
How was Mu Arae b found?
CORALIE measured changes in Mu Arae's radial velocity caused by the planet's gravitational pull. This method reveals the planet's orbital period and minimum mass without requiring a transit.
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