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Table 5

Different stages of the spectral evolution and their characteristics.

Time Stage Model name ϵ  ⟨ αt ⟩   ⟨ α0 ⟩ 

2005.6–2005.8 Compton C1  −1.21  ±  0.22 rising 0.33–0.78 rising  −1.80–−1.02
2005.8–2006.0 Adiabatic A1 0.77  ±  0.11 0.82  ±  0.17 rising  −1.02–−0.21
2006.0–2006.3 Compton-like C2  −0.99  ±  0.46 1.03  ±  0.27  −0.26  ±  0.13
2006.3–2006.8 Adiabatic A2 1.24  ±  0.10 0.96  ±  0.29a, 0.26  ±  0.18b  −0.46  ±  0.21

Notes. 

(a)

Until 2006.4,

(b)

after 2006.45.

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