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Table 2.
Fits to the prompt emission spectra.
Spectrum (a) | Instruments | Model (f) | Time interval | α | Epeak or νm | Ebreak or νc | Flux (15−1500 keV) | χ2 (d.o.f.) |
---|---|---|---|---|---|---|---|---|
(relative to T0, s) | (photon index) | (keV) | (keV) | (10−7 erg cm−2 s−1) | ||||
‘peak’ (b) | BAT+KW | CPL | [−0.465, 2.479] |
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40.2 (58) | |
Pulse 1 | BAT+KW | CPL | [−29.905, 11.311] |
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36.5 (58) | |
Pulse 1 | BAT+KW | DBPL | [−29.905, 11.311] | 127 |
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35.2 (56) | ||
X-ray flare (c) | XRT+KW | DBPL | [80.0, 120.0] |
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Unconstrained | 225.9 (281) | ||
Pulse 2 (c) | XRT+BAT+KW | CPL | [343.983, 426.415] |
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48.6 (58) | |
Pulse 2 (c) | XRT+BAT+KW | DBPL | [343.983, 426.415] | 50 |
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714.2 (714) | ||
Pulse 3 (d) | BAT | CPL | [747.311, 797.359] |
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55.2 (58) | |
Pulse 3 (e) | KW | CPL | [747.311, 862.127] |
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0 (0) (e) | |
Pulse 3 (d),(g) | REM+BAT+KW | DBPL | [747.311, 797.359] | 154 | 0.006 (g) | 59.3 (56) |
Notes.
(f)
CPL stands for cut-off power-law. DBPL stands for double-broken power-law, used for the synchrotron model. In this last case, the power-law indices were fixed as described in Sect. 3.2.
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