The GAPS programme at TNG - XLIX. TOI-5398, the youngest compact multi-planet system composed of an inner sub-Neptune and an outer warm Saturn

Open Access

Table 7

Confirmed compact multi-planet systems, sorted by age.

System	n° known planets	Transiting planets	PRV ^(a)	TTV ^(b)	TSM ^(c)	Age (Gyr)	Reference
TOI-5398	2	True, 2/2	True	Potential	288	0.65 ± 0.15	This paper (Sect. 3.7)
WASP-132	2	True, 2/2	True, 1/2	False	106	3.2 ± 0.5	Hord et al. (2022)
TOI-2000	2	True, 2/2	True	Potential	68	5.3 ± 2.7	Sha et al. (2023)
WASP-47	4	True, 4/4	True	True	47		Hellier et al. (2012)
TOI-1130	2	True, 2/2	True	True	345		Huang et al. (2020a)
Kepler-730	2	True, 2/2	False	False	25		Zhu et al. (2018)

Notes. ^(a)Precise radial velocity. ^(b)Transit time variations. ^(c)Transmission spectroscopy metric of the giant planet in the system.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.