Table 3.

The log number abundances relative to He derived for the planetary material accreted by WD 1425+540 taken from Xu et al. (2017), assuming that log n(H)/n(He) = −4.2, as derived from Balmer lines.

Elementlog n(Z)/n(He)
H−4.20 ± 0.10
C−7.29 ± 0.17
N−8.09 ± 0.10
O−6.62 ± 0.23
Mg−8.16 ± 0.20
Si−8.03 ± 0.31
S−8.36 ± 0.11
Ca−9.26 ± 0.10
Fe−8.15 ± 0.14
Ni−9.67 ± 0.20
Elementlog n(Z)/n(He)
H−4.20 ± 0.10
C−7.29 ± 0.17
N−8.09 ± 0.10
O−6.62 ± 0.23
Mg−8.16 ± 0.20
Si−8.03 ± 0.31
S−8.36 ± 0.11
Ca−9.26 ± 0.10
Fe−8.15 ± 0.14
Ni−9.67 ± 0.20
Table 3.

The log number abundances relative to He derived for the planetary material accreted by WD 1425+540 taken from Xu et al. (2017), assuming that log n(H)/n(He) = −4.2, as derived from Balmer lines.

Elementlog n(Z)/n(He)
H−4.20 ± 0.10
C−7.29 ± 0.17
N−8.09 ± 0.10
O−6.62 ± 0.23
Mg−8.16 ± 0.20
Si−8.03 ± 0.31
S−8.36 ± 0.11
Ca−9.26 ± 0.10
Fe−8.15 ± 0.14
Ni−9.67 ± 0.20
Elementlog n(Z)/n(He)
H−4.20 ± 0.10
C−7.29 ± 0.17
N−8.09 ± 0.10
O−6.62 ± 0.23
Mg−8.16 ± 0.20
Si−8.03 ± 0.31
S−8.36 ± 0.11
Ca−9.26 ± 0.10
Fe−8.15 ± 0.14
Ni−9.67 ± 0.20
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