Table 8.
Results of the RGS spectral analysis.
obsida | kT∞ | R∞b | ϵ | EW | FXc |
---|---|---|---|---|---|
(eV) | (km) | (eV) | |||
(A) | 86(5) |
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(B) |
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(C) |
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(D) |
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2012 |
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201 | 92(3) |
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301 |
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401 |
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501 |
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< 60 |
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Old |
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New |
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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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