Table 1
Stellar parameters for GJ 1061.
| Parameter | Value | Ref. |
|---|---|---|
| α | 03 35 59.700 | Gaia |
| δ | −44 30 45.731 | Gaia |
| μα cos δ [mas/yr] | 745.654 ± 0.035 | Gaia |
| μδ [mas/yr] | −373.233 ± 0.038 | Gaia |
| π [mas] | 272.1615 ± 0.0316 | Gaia |
| V [mag] | 13.06 ± 0.07 | G14 |
| J [mag] | 7.523 ± 0.02 | 2MASS |
| Sp. type | M5.5V | H02 |
| Teff [K] | 2953 ± 98, 2999 ± 41 | S18 |
| L [10−3 L⊙] | 1.7 ± 0.1, 3 | S18 |
| R [R⊙] | 0.156 ± 0.005, 0.19 | S18 |
| M [M⊙] | 0.12 ± 0.01, 0.14 | S18 |
| [Fe/H] [dex] | −0.08 ± 0.08 | N14 |
| γ [km/s] | 1.49 ± 0.23 | Gaia |
| v sin i [km/s] | <2.5 | D20 |
![$\[\log L_{\mathrm{H} \alpha} / L_{\text {bol }}^{(*)}\]$](/articles/aa/full_html/2025/06/aa52490-24/aa52490-24-eq1.png) |
<−4.88 (inactive) | D20 |
| log LX/10−7 W | 26.07 | S04 |
| Age [Gyr] | >7.0 ± 0.5 | W08 |
| Prot[d] | ≳125 | This work |
Notes. (*)See Jeffers et al. (2018) for a conversion from the equivalent width to the luminosity ratio as well as for the threshold for inactive stars. References: Gaia: Gaia Collaboration (2023); G14: Gaidos et al. (2014); 2MASS: Skrutskie et al. (2006); H02: Henry et al. (2002); S18: Stassun et al. (2018); N14: Neves et al. (2014); D20: Dreizler et al. (2020); S04: Schmitt & Liefke (2004); W08: West et al. (2008).
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