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Table 3
Best-fit abundances in the outflow of Mrk 509 relative to oxygen and in proto-solar units.
| Element | RGSa | HETGSb | RGS+HETGSb |
|
|
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| C/O | 1.19 ± 0.08 | – | 1.17 ± 0.07 |
| N/O | 0.98 ± 0.08 | – | 1.04 ± 0.07 |
| Ne/O | 1.11 ± 0.10 | 1.11 ± 0.10 | 1.20 ± 0.07 |
| Mg/O | 0.68 ± 0.16 | 1.09 ± 0.13 | 0.92 ± 0.11 |
| Si/O | 1.3 ± 0.6 | 1.09 ± 0.15 | 0.98 ± 0.14 |
| S/O | 0.57 ± 0.14 | 0.5 ± 0.4 | 0.80 ± 0.17 |
| Ca/O | 0.89 ± 0.25 | – | 1.30 ± 0.34 |
| Fe/O | 0.85 ± 0.06 | 0.87 ± 0.09 | 0.89 ± 0.03 |
Notes.
(a)
From Steenbrugge et al. (2011); all abundances are from their analysis of the RGS data, except Si that was derived from the LETGS data.
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