| A(P) |  |
Reference |
| 5.43 | Lambert & Warner (1968) | |
| 5.45 | 0.03 | Lambert & Luck (1978) |
| 5.45 | 0.04 | Anders & Grevesse (1989) |
| 5.45 | 0.06 | Biemont et al. (1994) |
| 5.49 | 0.04 | Berzinsh et al. (1997) |
| 5.45 | 0.04 | Grevesse & Sauval (1998) |
| 5.36 | 0.04 | Asplund et al. (2005) |
| 5.46 | 0.04 | this work |