Table 2
Parameters and elemental abundances of HD 144941.
| Atmospheric parameters: | |||
| Teff | 22000 ± 500 K | ξ | 2 ± 1 km s−1 |
| logg∕cm s-2 | 4.20 ± 0.10 | vsini | 7 ± 5 km s−1 |
| y (by number) | 0.950 ± 0.002 | ζ | 25/15 ± 5 km s−1 (a) |
| Non-LTE abundances lognX, normalised to ∑ nX = 1: | |||
| H | −1.30 ± 0.02 (4) | Mg | −5.52 (1) |
| C | −4.63 ± 0.12 (7) | Al | −6.64 ± 0.06 (4) |
| N | −5.06 ± 0.09 (15) | Si | −5.48 ± 0.11 (15) |
| O | −4.26 ± 0.07 (22) | S | −5.61 ± 0.10 (5) |
| Ne | −4.67 ± 0.04 (2) | Fe | −5.41 ± 0.13 (5) |
| Photometric data: | |||
| V | 10.141 ± 0.008 mag (b) | RV | 3.8 ± 0.1 |
| B − V | 0.034 ± 0.007 mag (b) | MV | −1.85 mag |
| E(B − V) | 0.27 ± 0.01 mag | Mbol | −3.94 ± 0.10 mag |
| Fundamental parameters: | |||
| M∕M⊙ | 8.1 ± 0.3 | τ | 11.0 Myr |
| R∕R⊙ | 3.8 ± 0.2 | τ∕τMS | 0.29 |
| logL∕L⊙ | 3.47 ± 0.04 | Prot | 13.9 ± 0.2 d (c) |
| Kinematic data: | |||
| πEDR3 | 0.6714 ± 0.0282 mas (d) | vrad | −43.7 ± 0.5 km s−1 |
| μα | −6.834 ± 0.034 mas yr−1 (d) | dGaia | 1556 pc |
| μδ | 8.023 ± 0.025 mas yr−1 (d) | dspec | 1582 ± 208 pc |
Notes. 1σ-uncertainties are given. For abundances, these are from the line-to-line scatter; systematic errors amount to an additional ~0.1 dex. (a) With and without considering Zeeman splitting.
References. (b)Slawson et al. (1992). (c)Jeffery & Ramsay (2018). (d)Gaia Collaboration (2016, 2021)
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