HIP 65Ab

[1] Due to the planet's vicinity to the star, tidal interactions are slowly causing its orbit to decay.

As a result, the planet receives 661 times the flux Earth does, placing its equilibrium temperature at 1,411 K (1,138 °C; 2,080 °F), just above the melting point of copper.

[1] A 2024 study agrees with this, stating that the planet's true radius is close to the presented lower limit.

[3] Its atmosphere was analysed spectroscopically for the first time in 2024, revealing absorption lines of water and carbon monoxide.

This implies the planet may have formed beyond the snow line and migrated inward after the protoplanetary disk dissipated, or alternatively that some of the oxygen has precipitated out of the atmosphere.