Table 2
Parameters and elemental abundances of HD 131399A.
| General information | ||||
| Sp. Type | A1 V | |||
| vrad | 0.51 ± 0.10 km s-1 | π | 10.20 ± 0.70 mas [1] | |
| dHIP | 98.0 pc |
μα | −29.69 ± 0.59 mas yr-1[1] | |
| dspec | 98.0 ± 13.0 pc | μδ | −31.52 ± 0.55 mas yr-1[1] | |
| Atmospheric parameters | ||||
| Teff | 9200 ± 100 K | ξ | 2 ± 0.5 km s-1 | |
| log g (cgs) | 4.37 ± 0.10 | vrotsini | 26 ± 2 km s-1 | |
| Elemental abundances log (X/H) + 12 | ||||
| He | 10.99 (1) | V∗ | 4.00 ± 0.17 (2) | |
| C | 8.38 ± 0.06 (15) | Cr∗ | 5.94 ± 0.11 (30) | |
| N | 7.65 ± 0.05 (6) | Mn∗ | 5.88. ± 0.10 (2) | |
| O | 8.73 ± 0.04 (7) | Fe | 7.70. ± 0.10 (34) | |
| Na∗ | 6.30 ± 0.03 (3) | Co∗ | 5.32 ± 0.03 (2) | |
| Mg | 7.55 ± 0.05 (13) | Ni∗ | 6.53 ± 0.10 (7) | |
| Al∗ | 6.19 ± 0.07 (2) | Cu∗ | 4.47 ± 0.11 (2) | |
| Si | 7.57 ± 0.04 (7) | Zn∗ | 5.16 ± 0.06 (2) | |
| S∗ | 7.22 ± 0.14 (4) | Sr∗ | 3.18 ± 0.03 (2) | |
| Ca∗ | 6.23 ± 0.14 (20) | Y∗ | 2.14 ± 0.23 (3) | |
| Sc∗ | 3.20 ± 0.10 (5) | Zr∗ | 3.05 ± 0.08 (3) | |
| Ti | 5.51 ± 0.17 (29) | Ba∗ | 3.00 ± 0.18 (5) | |
| Photometric data | ||||
| V | 7.048 ± 0.008 mag [2] | A V | 0.202 ± 0.012 mag | |
| B−V | 0.118 ± 0.007 mag [2] | M V | 1.89 mag |
|
| E(B−V) | 0.065 ± 0.012 mag | M bol | 1.76 mag |
|
| Fundamental parameters | ||||
| M / M ⊙ | 1.95 |
log L/L⊙ | 1.17 ± 0.07 | |
| R / R ⊙ | 1.51 |
τ | 16 ± 7 Myr [3] | |
|
|
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Notes. 1σ uncertainties are given. For abundances these are from the line-to-line scatter. Numbers in brackets quantify the analysed lines. LTE abundance values are marked by an asterisk. References are indicated by square brackets.
Reference. (1) van Leeuwen (2007); (2) Slawson et al. (1992); (3) Pecaut & Mamajek (2016).
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