description 47 Ursae Majoris c Overview
47 Ursae Majoris c is a confirmed giant planet orbiting the nearby Sun-like star 47 Ursae Majoris. It was announced in 2001 as the second planet detected in that system through radial-velocity observations. The planet has a minimum mass in the Jupiter range, follows an orbit with a semimajor axis of about 3.6 astronomical units, and takes roughly 2,600 days to complete one revolution.
help 47 Ursae Majoris c FAQ
What kind of planet is 47 Ursae Majoris c?
47 Ursae Majoris c is a confirmed giant planet orbiting the nearby Sun-like star 47 Ursae Majoris. Its minimum mass is in the Jupiter range, although radial-velocity measurements do not reveal its exact mass without an orbital inclination.
When was 47 Ursae Majoris c announced?
The planet was announced in 2001 as the second planet detected in the 47 Ursae Majoris system. Its discovery came from radial-velocity observations of the host star.
How was 47 Ursae Majoris c detected?
It was detected by measuring the small back-and-forth motion that its gravity produces in 47 Ursae Majoris. This radial-velocity technique gives a minimum mass rather than a guaranteed true mass.
Is 47 Ursae Majoris c a hot Jupiter?
No. 47 Ursae Majoris c is a distant giant planet on a much longer orbit than a typical hot Jupiter. Its system is often discussed as a multi-planet system around a Sun-like star.
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