Table 8.
Results of the RGS spectral analysis.
| obsida | kT∞ | R∞b | ϵ | EW | FXc |
|---|---|---|---|---|---|
| (eV) | (km) | (eV) | |||
| (A) | 86(5) |
 |
 |
 |
 |
| (B) |
 |
 |
 |
 |
 |
| (C) |
 |
 |
 |
 |
 |
| (D) |
 |
 |
 |
 |
 |
| 2012 |
 |
 |
 |
 |
 |
| 201 | 92(3) |
 |
 |
 |
 |
| 301 |
 |
 |
 |
 |
 |
| 401 |
 |
 |
 |
 |
 |
| 501 |
 |
 |
 |
< 60 |
 |
| Old |
 |
 |
 |
 |
 |
| New |
 |
 |
 |
 |
4.9(5) |
Notes. Errors are 1σ confidence levels. The model fitted to the data in XSPEC is tbabs(bbody-gauss). The RGS1/2 spectra are fitted simultaneously in each epoch. The FWHM of the feature, σ = 100 eV, and the column density, NH = 2.4 × 1020 cm−2, are held fixed during spectral fitting. The chi-squared values are within χ2 ∼ 50−80, for 135 degrees of freedom (NHP ∼ 100%).
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