3 papers
astro-ph.EP2026
The GAPS programme at TNG LXXI. A sub-Neptune suitable for atmospheric characterization in a multiplanet and mutually inclined system orbiting the bright K dwarf TOI-5789 (HIP 99452)
A. S. Bonomo, L. Naponiello, A. Sozzetti +37
Sub-Neptunes with planetary radii of are the most common planets around solar-type stars in short-period ( d) orbits. It is still unclear, howe…
astro-ph.EP2025
A 34.6-day transiting sub-Neptune in the TOI-1422 planetary system
L. Naponiello, P. Leonardi, M. Damasso +9
TOI-1422 is a G2 V star ( mag) known to host a warm Neptune-sized planet, TOI-1422 b, with a mass and radius of about and , on a circular orbit…
astro-ph.EP2025
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)
L. Naponiello, S. Vissapragada, A. S. Bonomo +37
Neptune-sized exoplanets are key targets for atmospheric studies, yet their formation and evolution remain poorly understood due to their diverse characteristics and limited sample…