Table 1.
Fundamental stellar parameters and properties for HD 193571.
| Parameter | Value | Ref. |
|---|---|---|
| RA (hh:mm:ss) | 20:22:27.50 | 5 |
| Dec (dd:mm:ss) | −42:02:58.43 | 5 |
| Parallax (mas) | 14.61 ± 0.17 | 1 |
| Distance (pc) | 68.45 ± 0.82 | 1 |
| Proper motion (mas yr−1) | μα × cosδ = 41.31 ± 0.22 | 1 |
| μδ = −83.74 ± 0.19 | 1 | |
| Sp. type | A0V | 6 |
| Teff (K) | 9740 ± 100 | 3 |
| Mass (M⊙) | 2.2 ± 0.1 | 2 |
| Radius (R⊙) | 1.85 ± 0.1 | 3 |
| v sin i (km s−1) | 71 | 2 |
| L (L⊙) | 27.7 ± 1 | 3 |
| f = Ldisc/L⋆ | 2.3 × 10−5 ± 1 × 10−6 | 3 |
| Bayesian age (Myr) |
 |
2 |
| Interp. age (Myr) | 66 | 2 |
| mL′ (mag) | 5.614 ± 0.030 | 4 |
| mH (mag) | 5.609 ± 0.030 | 4 |
References. (1) Gaia Collaboration (2016, 2018); (2) David & Hillenbrand (2015); (3) this work (see Sect. 2); (4) apparent magnitude of the host star in the L′ band, derived from SED fitting (see Sect. 2) and correcting for the NaCo L′ band transmission curve; (5) value taken from the online Simbad catalogue; (6) Chen et al. (2014).
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