Table 9: Median ages for the EH and Solar Neighborhood stars.
Sample Isochrone Isochrone Isochrone Chromospheric Chromospheric Chromospheric

median $\sigma$ N median $\sigma$ N

[Gyr] [Gyr] [Gyr] [Gyr]

Sample A 9.8 3.6 31

Sample B 2.8 3.7 8684

F-type in Sample B 2.2 2.0 5357

G-type in Sample B 7.2 4.1 2450

Sample C 4.9 2.7 609

F-type in Sample C 4.7 2.1 159

G-type in Sample C 5.1 2.8 450

EH sample 7.4 4.2 79 5.2 4.2 112

F-type in EH sample 4.8 2.6 18 4.7 2.4 15

G-type in EH sample 8.2 3.8 57 5.4 3.5 69

**Table 9:** Median ages for the EH and Solar Neighborhood stars.
Sample	Isochrone	Isochrone	Isochrone	Chromospheric	Chromospheric	Chromospheric
	median	$\sigma$	N	median	$\sigma$	N
	[Gyr]	[Gyr]		[Gyr]	[Gyr]
Sample A	9.8	3.6	31
Sample B	2.8	3.7	8684
F-type in Sample B	2.2	2.0	5357
G-type in Sample B	7.2	4.1	2450
Sample C				4.9	2.7	609
F-type in Sample C				4.7	2.1	159
G-type in Sample C				5.1	2.8	450
EH sample	7.4	4.2	79	5.2	4.2	112
F-type in EH sample	4.8	2.6	18	4.7	2.4	15
G-type in EH sample	8.2	3.8	57	5.4	3.5	69

Source LaTeX | All tables | In the text

	1 Introduction
	2 Observations and data reduction
	3 Age derivation from the chromospheric activity
	4 Derivation of ages for the EH stars applying other methods
	5 Comparison with the Solar Neighborhood stellar ages
	6 Correlations of the stellar properties with age
	7 Summary
	References
	Online Material