Hot, eccentric sub-Neptune TOI 5800 b is skimming the edge of the evaporation desert

18. 5. 2025

Hot, eccentric sub-Neptune TOI 5800 b is skimming the edge of the evaporation desert

Star system: TOI 5800 | Distance from the Sun: 139 light years

Its short 2.6-day orbit and tidal heating make it a rare probe of atmospheric loss and migration.

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Stars Exoplanets TESS

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An Eccentric Sub-Neptune Moving Into the Evaporation Desert external link

Stars mentioned

TOI 5800

K3V, Orange star

mass: 0.79 M☉

radius: 0.7 R☉

distance: 139 ly

stars in the system: 1

exoplanets: 1

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TOI 5800

139 ly

+1

The Hot-Neptune Initiative (HONEI) I. Two hot sub-Neptunes on a close-in, eccentric orbit (TOI-5800 b) and a farther-out, circular orbit (TOI-5817 b)
18. 5. 2025

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