An ultra-short-period super-Earth and a sub-Neptune orbiting the K dwarf TOI-4311
Yoshi Nike Emilia Eschen, Thomas G Wilson, A Cameron, Alexander James Mustill et autres
ABSTRACT We report the discovery and characterization of the multiplanetary system around TOI-4311, a K dwarf kinematically between the Galactic thick disc and Hercules stream. TOI-4311 hosts an ultra-short-period super-Earth (P$\sim$0.99 d, $1.376^{+0.077}_{-0.080}$ R$_{\oplus }$) and a longer period sub-Neptune (P$\sim$15 d, …
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