description GJ 504 b Overview
GJ 504 b is a directly imaged giant planet of ~4 Jupiter masses orbiting a Sun-like star 57 light-years away, discovered with the Subaru Telescope in 2013 and notable for its pink color.
help GJ 504 b FAQ
How was GJ 504 b discovered?
GJ 504 b was directly imaged with the Subaru Telescope in 2013. Direct imaging means astronomers detected light from the planet itself rather than relying only on a transit or a star's wobble.
How massive is GJ 504 b?
GJ 504 b has an estimated mass of about four times that of Jupiter. It is therefore a giant planet, not a rocky Earth-sized world.
How far away is GJ 504 b?
GJ 504 b orbits a Sun-like star roughly 57 light-years from Earth. Its host star is known as GJ 504.
Why does GJ 504 b look pink?
GJ 504 b is notable for its pink or magenta appearance in astronomical images. The color describes how the planet appears in the observed imaging bands, not the appearance of a solid surface.
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