Table 2
Stellar parameters of HN Lib.
| Parameter | Value | Reference |
|---|---|---|
| Basic identifiers and data | ||
| BD | −11 3759 | Scho86 |
| Wolf | 1481 | Wol25 |
| Gl | 555 | Gli69 |
| Karmn | J14342−125 | AF15, Cab16b |
| Sp. type | M4.0V | Haw96 |
| G (mag) | 9.8950 ± 0.0030 | Gaia DR3(a) |
| J (mag) | 6.838 ± 0.019 | 2MASS(a) |
| Astrometry and kinematics | ||
| α (ICRS, epoch 2016.0) | 14:34:16.424 | Gaia DR3 |
| δ (ICRS, epoch 2016.0) | −12:31:00.92 | Gaia DR3 |
| μα cos δ (mas yr−1) | −355.138 ± 0.053 | Gaia DR3 |
| μδ (mas yr−1) | +593.040 ± 0.044 | Gaia DR3 |
| ϖ (mas) | 159. 923 ± 0.055 | Gaia DR3 |
| d (pc) | 6.2530 ± 0.0022 | Gaia DR3 |
| γ (km s−1) | −1.426 ± 0.006 | Sou18 |
 (m s−1 yr−1) |
+0.06901 ± 0.00041 | This work |
| U (km s−1) | −13.8606 ± 0.0051 | This work |
| V (km s−1) | +5.8821 ± 0.0053 | This work |
| W (km s−1) | +13.9700 ± 0.057 | This work |
| Galactic population | Thin disk | This work |
| Fundamental parameters and abundances | ||
| Teff (K) | 3347 ± 50 | Mar21 |
| log g | 4.76 ± 0.13 | Mar21 |
| [Fe/H] | −0.18 ± 0.15 | Mar21 |
| [Mg/H] | −0.16 ± 0.14 | Tab |
| [Si/H] | +0.06 ± 0.20 | Tab |
| L★ (10−6 L⊙) | 10106 ± 69 | This work |
| R★ (R⊙) | 0.299 ± 0.009 | This work |
| M★ (M⊙) | 0.291 ± 0.013 | This work |
| Activity and age | ||
| υ sin i★ (km s−1) | <2.0 | Rei18 |
| Prot (d) | 96 ± 2 | This work |
| pEW(He I D3) (Å) | +0.070 ± 0.010 | Fuh20 |
| pEW(Hα) (Å) | +0.088 ± 0.037 | Fuh20 |
| pEW(Ca II IRT1)(Å) | −0.006 ± 0.015 | Fuh20 |
| pEW(He I IR) (Å) | +0.498 ± 0.004 | Fuh20 |
log  |
 |
This work(b) |
| 〈B〉 (G) | < 220 | Rei22 |
| log Lx (erg s−1) | < 26.80 | This work(c) |
| Age (Gyr) | 0.8−8.0 | This work |
Notes. (a) See Cifuentes et al. (2020) for multiband photometry different from Gaia G and 2MASS J. (b) From data compiled by Perdelwitz et al. (2021). (c) Computed by us from a log fx upper limit by Stelzer et al. (2013).
References. 2MASS: Skrutskie et al. (2006); AF15: Alonso-Floriano et al. (2015); Cab16b: Caballero et al. (2016b); Fuh20: Fuhrmeister et al. (2020); Gaia DR3: Gaia Collaboration (2021); Gli69: Gliese (1969); Mar21: Marfil et al. (2021); Haw96: Hawley etal. (1996); Rei18: Reiners et al. (2018); Rei22: Reiners et al. (2022); Scho86: Schönfeld (1886); Ste13: Stelzer et al. (2013); Sou18: Soubiran et al. (2018); Tab: Tabernero et al. (in prep.); Wol25: Wolf (1925).
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