Table 3
Stellar abundances from optical studies.
| HD 34816 | HD 35468 | HD 36512 | HD 36960 | HD 38771 | |||||||
|
|
|||||||||||
| A C | 0.68 [1], 0.89 ± 0.15 [2] | 0.71 [3], 0.74 [1] | 0.83 ± 0.28 [2], 0.85 ± 0.31 [7], 0.89 ± 0.31 [6] | 0.74 ± 0.18 [9], 0.83 ± 0.20 [2] | 0.11 [10], 0.20 [11] | ||||||
| A N | 0.68 [1], 0.95 ± 0.35 [2] | 1.82 [3], 2.00 [1] | 0.89 ± 0.31 [6], 0.91 ± 0.36 [2], 1.00 ± 0.26 [7] | 0.76 ± 0.16 [9], 0.78 ± 0.22 [2] | 0.35 ± 0.13, 2.69 ± 0.92 [10], 2.09 [11] | ||||||
| A O | 1.04 ± 0.25 [2], 1.15 [1] | 1.05 ± 0.34 [8], 1.06 ± 0.41 [6], 1.15 ± 0.27 [2] | 0.95 ± 0.21 [2], 1.07 ± 0.21 [9] | 1.10 [11], 1.29 ± 0.38 [10] | |||||||
| A N / A C | 1.00 [1], 1.07 ± 0.43 [2] | 2.56 [3], 2.70 [1] | 1.10 ± 0.57 [2], 1.00 ± 0.49 [6], 1.18 ± 0.53 [7] | 0.94 ± 0.35 [2], 1.03 ± 0.33 [9] | 3.18 ± 1.18;24.5 ± 8.4 [10], 10.45 [11] | ||||||
| A N / A O | 0.59 [1], 0.91 ± 0.40 [2] | 0.84 ± 0.44 [6], 0.79 ± 0.36 [2] | 0.71 ± 0.20 [9], 0.82 ± 0.39 [2] | 0.27 ± 0.13;2.09 ± 0.94 [10], 1.90 [11] | |||||||
| A Ne | 1.77 ± 0.16 [2] | 1.12 ± 0.26 [4] | 1.52 ± 0.43 [2], 1.70 ± 0.55 [7] | 1.59 ± 0.54 [2] | |||||||
| A Fe | 1.10 ± 0.20 [2] | 0.83 [5] | 1.07 ± 0.12 [2], 1.12 ± 0.12 [7] | 0.96 ± 0.22 [2] | |||||||
| A O / A Fe | 0.95 ± 0.28 [2] | 1.07 ± 0.28 [2] | 0.99 ± 0.32 [2] | ||||||||
| A Mg | 0.40 [10] | ||||||||||
| A Si | 0.45 [10] | ||||||||||
|
|
|||||||||||
| HD 44743 | HD 52089 | HD 63922 | |||||||||
|
|
|||||||||||
| A C | 0.54 ± 0.15 [12], 0.60 [1], 0.63 [3], 0.78 ± 0.20 [14] | 0.46 ± 0.14 [12], 0.74 ± 0.15 [14] | 0.74 ± 0.15 [2] | ||||||||
| A N | 0.58 ± 0.20 [12], 0.76 [1], 0.79 [3], 0.83 ± 0.24 [14] | 0.81 [15], 1.26 ± 0.43 [12], 2.15 ± 0.42 [14] | 0.87 ± 0.19 [2] | ||||||||
| A O | 0.85 ± 0.37 [12], 1.15 [1], 1.23 [3], 1.10 ± 0.28 [14] | 0.56 ± 0.24 [12], 1.02 ± 0.30 [14] | 1.26 ± 0.32 [2] | ||||||||
| A N / A C | 1.07 ± 0.48 [12], 1.27 [1], 1.25 [3], 1.06 ± 0.41 [14] | 2.74 ± 1.25 [12], 2.91 ± 0.82 [14] | 1.18 ± 0.35 [2] | ||||||||
| A N / A O | 0.68 ± 0.38 [12], 0.66 [1], 0.64 [3], 0.75 ± 0.29 [14] | 2.25 ± 1.23 [12], 2.11 ± 0.74 [14] | 0.69 ± 0.23 [2] | ||||||||
| A Ne | 0.91 ± 0.34 [4] | 0.85 ± 0.24 [4] | 1.37 ± 0.39 [2] | ||||||||
| A Fe | 0.47 ± 0.21 [13] | 0.46 ± 0.16 [12] | 1.03 ± 0.21 [2] | ||||||||
| A O / A Fe | 1.22 ± 0.67 [12] | 1.22 ± 0.40 [2] | |||||||||
Notes. Abundances are in number, with respect to hydrogen, and with respect to solar values, as for the X-ray abundances in Table 1.
Reference. [1] Gies & Lambert (1992); [2] Nieva & Przybilla (2012); [3] Venn et al. (2002); [4] Morel & Butler (2008); [5] Valdes et al. (2004); [6] Martins et al. (2015); [7] Nieva & Simón-Díaz (2011); [8] Simón-Díaz (2010); [9] Kilian (1992); [10] Lennon et al. (1991); [11] Searle et al. (2008); [12] Morel et al. (2008); [13] Morel et al. (2006); [14] Fossati et al. (2015); [15] Fraser et al. (2010).
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