Table 1
Observational and physical properties of the observed targets.
| Name | α | δ | SpT | d | Moving | Age | Ref. | H |
| [J2000] | [J2000] | (pc) | group | (Myr) | (mag) | |||
|
|
||||||||
| HIP 98470 | 20h00m20s | −33°42′12′′ | F7V | 21.2 | 70a | 1 | 4.64 | |
| HIP 107350 | 21h44m31s | +14°46′19′′ | G0V | 17.9 | Her-Lyr | 200 | 2, 11 | 4.60 |
| HIP 118008 | 23h56m11s | −39°03′08′′ | K2V | 22.0 | AB Dor | 70 | 3, 9, 11 | 6.00 |
| HD 10647 | 01h42m32s | −53°44′27′′ | F9V | 17.4 | 1500 | 11 | 4.40 | |
| HIP 76829 | 15h41m11s | −44°39′40′′ | F5V | 17.4 | Her-Lyr? | 200 | 1, 2 | 3.73 |
| HIP 102409 | 20h45m10s | −31°20′27′′ | M1V | 9.9 | β Pic | 12 | 3, 9 | 4.83 |
| HIP 106231 | 21h31m02s | +23°20′07′′ | K5-7V | 24.8 | AB Dor | 70 | 3, 9, 11 | 6.52 |
| HIP 114046 | 23h05m52s | −35°51′11′′ | M2V | 3.3 | 8000 | 1 | 3.61 | |
| HIP 7576 | 01h37m35s | −06°45′38′′ | G5V | 24.0 | Her-Lyr | 200 | 2, 11 | 5.90 |
| HIP 14555 | 03h07m56s | −28°13′11′′ | K8V | 19.2 | 50b | 8 | 6.58 | |
| HIP 10602 | 02h16m31s | −51°30′44′′ | B8IV-V | 47.1 | Tuc-Hor | 30 | 1, 3, 9 | 3.95 |
| HIP 18859 | 04h02m37s | −00°16′08′′ | F6V | 18.8 | AB Dor | 70 | 3, 9, 11 | 4.34 |
| HD 31295 | 04h54m54s | +10°09′03′′ | A0V | 35.7 | 120 | 5 | 4.52 | |
| HD 38678 | 05h46m57s | −14°49′19′′ | A2IV-V | 21.6 | Cas? | 230 | 6, 7, 10 | 3.31 |
| HIP 30314 | 06h22m31s | −60°13′07′′ | G1V | 23.8 | AB Dor | 70 | 3, 9, 11 | 5.16 |
| Fomalhaut | 22h57m39s | −29°37′20′′ | A4V | 7.7 | Cas? | 440 | 4 | 0.94 |
Notes. Columns give the name, right ascension, declination, spectral type, distance, co-moving group, mean estimated age, and magnitude in H band. The co-moving groups indicated in the table are Hercules-Lyra (Her-Lyr), AB Doradus (AB Dor), β Pictoris (β Pic), Tucana-Horologium (Tuc-Hor), and Castor (Cas).
We adopt a prior age estimation with respect to the work of Desidera et al. (2014). Our age estimate is slightly younger than the mean value derived by the latter, but within the range of plausible values.
HIP 14555 is a nearby and very active late K dwarf for which the small amount of lithium in the spectrum (Torres et al. 2006) indicates an age of ~50 Myr. It is also reported to be a double-lined spectroscopic binary without further details (Gizis et al. 2002). Therefore, as discussed in Makarov et al. (2008), we cannot exclude that it is a tidally locked binary with significantly older age.
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