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Gliese 86Gliese 86 is a relatively close double of a yellow-orange star and a white dwarf. Star A has a planet with 4.02 times the mass of Jupiter in 0.11 AU distance which orbits the star every 15.766 days. This planet long ago survived the expansion of star B to a red giant. And the two stars seperation then was only 15 AU.Constellation: Eridanus Distance: 35.6 light-years Age: 10 billion years Space between Gliese 86 A and B: 21 AU Orbit period of Gliese 86 A and B: 80 years
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Gliese 86 A and the tiny B (to the left) Photo: Eso |
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