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Table 5
Fitted values to the NGC 5813 spectra.
| Parameter | RGS wdem | RGS gdem | EPIC gdem |
|
|
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| Y (1070 m-3) | 5.45(17) | 5.45(16) | 4.44(4) |
| Tpeaka (keV) | 0.67(3) | 0.665(2) | 0.6713(13) |
| σT | – | < 0.012b | 0.057(4) |
| 1/αb | < 0.08 | – | – |
| βc | 0.65 | – | – |
| C/Fe | 1.7(4) | 1.7(4) | – |
| N/Fe | 1.8(3) | 1.8(3) | – |
| O/Fe | 0.72(5) | 0.73(4) | 0.61(3) |
| Ne/Fe | 0.58(10) | 0.58(10) | – |
| Mg/Fe | 0.85(8) | 0.86(6) | – |
| Si/Fe | – | – | 0.99(3) |
| S/Fe | – | – | 1.09(5) |
| Ar/Fe | – | – | 1.0(2) |
| Ca/Fe | – | – | 1.9(5) |
| Fe | 0.538(19) | 0.538(17) | 0.588(8) |
| Ni/Fe | – | – | 0.54(9) |
| C-stat/d.o.f. | 3864/2667 | 3864/2667 | 3601/1775 |
Notes. Abundance ratios are given in proto-solar units by Lodders (2003). Numbers between parentheses are the 1σ errors on the same number of least significant digits.
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