TOI-2458 b: A mini-Neptune consistent with in situ hot Jupiter formation

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Table 3

Sample of F-type stars with a short activity cycle. P_cyc is a period of a short activity cycle.

System	TOI-2458	τBoo	HD 46588	HD 16673	HD 49933	HD 100563	HD 75332	θ Dra	β Vir
Age (Gyr)	${5.7}_{- 0.8}^{+ 0.9}$ $5.7_{ - 0.8}^{ + 0.9}$	${0.85}_{- 0.41}^{+ 0.81}$ $0.85_{ - 0.41}^{ + 0.81}$	${2.1}_{- 0.8}^{+ 1.3}$ $2.1_{ - 0.8}^{ + 1.3}$	${1.20}_{- 0.55}^{+ 1.20}$ $1.20_{ - 0.55}^{ + 1.20}$	${2.2}_{- 0.3}^{+ 0.3}$ ${2.2_{ - 0.3}^{ + 0.3}}$	${1.4}_{- 0.4}^{+ 0.6}$ ${1.4_{ - 0.4}^{ + 0.6}}$	${2.0}_{- 0.5}^{+ 0.6}$ ${2.0_{ - 0.5}^{ + 0.6}}$	${2.1}_{- 0.2}^{+ 0.2}$ ${2.1_{ - 0.2}^{ + 0.2}}$	${3.1}_{- 0.8}^{+ 0.8}$ ${3.1_{ - 0.8}^{ + 0.8}}$
P_Rot (days)	${8.9}_{- 2.5}^{+ 3.9}$ $8.9_{ - 2.5}^{ + 3.9}$	3.3 ± 0.4	5.1 ± 0.6	6.0 ± 0.8	3.5 ± 0.3	2.0 ± 0.3	3.75 ± 0.35	2.9 ± 0.1	9.2 ± 0.3
log ${R^{'}}_{H K}$ ${{R'}_{HK}}$	−4.98 ± 0.06	−4.67 ± 0.06	−4.88 ± 0.06	−4.60 ± 0.06	−4.50 ± 0.06	−4.64 ± 0.06	−4.46 ± 0.06	−4.68 ± 0.06	−4.91 ± 0.06
P_cyc (days)	53	120	127	309	212	223	180	43	83

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