Table 4
Log of all SwiftXRT observations use in this work.
Sequence | Obs/Mode | Start time (UT) | End time (UT) | Exposure | N H | Γ | F 0.5−10 keV a | ![]() |
(MJD) | (MJD) | (s) | (1022 cm-2) | (10-10 erg cm-2 s-1) | ||||
|
||||||||
00569022000b | XRT/WT | 56 536.38578 | 56 536.40508 | 1668 | ||||
00569022000 | XRT/PC | 56 536.44215 | 56 536.58503 | 5581 | 1.49±0.10 | 2.39±0.10 | 1.6±0.6 | 0.92/211c |
00569022001 | XRT/WT | 56 536.58612 | 56 536.64248 | 395 | 1.2±0.2 | 2.3±0.3 | 1.26±0.09 | 1.11/145c |
00569022001 | XRT/PC | 56 536.58623 | 56 536.67200 | 3698 | 1.5±0.2 | 2.4±0.2 | 1.14±0.06 | 1.11/145c |
00569022002 | XRT/WT | 56 537.17595 | 56 537.37689 | 1412 | 1.4±0.2 | 2.3±0.2 | 1.11±0.106 | 0.91/186c |
00569022002 | XRT/PC | 56 537.17604 | 56 537.25757 | 2565 | 1.4±0.2 | 2.1±0.2 | 1.1±0.1 | 0.91/186c |
00569022003d | XRT/WT | 56 537.64302 | 56 537.71031 | 153 | – | – | – | – |
00569022003 | XRT/PC | 56 537.64434 | 56 537.72605 | 3814 | 1.24±0.13 | 1.93±0.11 | 2.00±0.07 | 0.97/152 |
00569022004d | XRT/WT | 56 538.11015 | 56 538.33109 | 324 | – | – | – | – |
00569022004 | XRT/PC | 56 538.11176 | 56 538.33635 | 3638 | 1.01±0.09 | 1.62±0.10 | 3.00±0.10 | 1.05/185 |
00569022006 | XRT/WT | 56 539.38610 | 56 539.45124 | 159 | 1.06±0.29 | 1.7±0.3 | 3.3±0.3 | 0.91/184c |
00569022006 | XRT/PC | 56 539.38740 | 56 539.46243 | 2164 | 1.36±0.13 | 1.88±0.13 | 2.81±0.12 | 0.91/184c |
00569022007 | XRT/WT | 56 540.51553 | 56 540.59720 | 1890 | 1.33±0.14 | 2.25±0.13 | 1.10±0.06 | 1.06/162 |
00569022008 | XRT/WT | 56 541.26421 | 56 541.27637 | 1024 | 1.6±0.3 | 3.0±0.3 | 0.34±0.03 | 1.04/40 |
00569022009 | XRT/WT | 56 542.73167 | 56 542.74373 | 1021 | 1.4![]() |
2.5![]() |
0.03![]() |
1.32/5 |
00032930001e | XRT/WT | 56 543.66528 | 56 543.67847 | 925 | 1.4 | 2.5 | ~0.01 | – |
00032930002e | XRT/WT | 56 544.60000 | 56 544.61319 | 1068 | 1.4 | 2.5 | ~0.005 | – |
00032930003f | XRT/PC | 56 545.60069 | 56 545.61389 | 1096 | 1.6 | 2.5 | <0.005 | – |
00032930004f | XRT/PC | 56 546.32569 | 56 546.33889 | 973 | 1.6 | 2.5 | <0.006 | – |
00032930005f | XRT/PC | 56 549.46944 | 56 549.88472 | 3814 | 1.6 | 2.5 | <0.002 | – |
00032930006f | XRT/PC | 56 550.39653 | 56 550.54861 | 3936 | 1.6 | 2.5 | <0.006 | – |
00032980001 | XRT/PC | 56 572.28104 | 56 572.30564 | 1973 | 1.6±0.2 | 2.3±0.2 | 1.68±0.07 | 1.14/76 |
00032980002 | XRT/PC | 56 573.22292 | 56 573.29167 | 1878 | 1.5±0.2 | 2.4±0.2 | 1.00±0.06 | 0.82/45 |
00032930007 | XRT/WT | 56 576.83264 | 56 576.84583 | 947 | 1.1±0.2 | 2.2±0.2 | 1.15±0.08 | 1.03/84 |
00032930008 | XRT/WT | 56 577.63889 | 56 577.65208 | 980 | 1.27±0.14 | 2.10±0.14 | 1.82±0.08 | 0.92/127 |
00032930009 | XRT/WT | 56 578.55903 | 56 578.57222 | 944 | 1.6±0.4 | 2.4±0.4 | 0.89±0.07 | 0.85/31 |
00032930010 | XRT/WT | 56 579.50069 | 56 579.51458 | 1126 | 1.26±0.14 | 2.06±0.12 | 1.87±0.08 | 1.05/152 |
00032930011 | XRT/WT | 56 580.63472 | 56 580.64931 | 1044 | 1.2±0.2 | 2.2±0.2 | 1.02±0.06 | 0.89/93 |
00032930013 | XRT/WT | 56 582.09583 | 56 582.10833 | 913 | 1.3±0.2 | 2.2±0.2 | 1.17±0.07 | 0.98/85 |
00032930014 | XRT/WT | 56 583.43056 | 56 583.44444 | 1064 | 1.15±0.11 | 2.04±0.11 | 2.21±0.07 | 0.88/159 |
00032930015 | XRT/WT | 56 584.56458 | 56 584.57847 | 1025 | 0.93±0.09 | 2.00±0.10 | 2.40±0.07 | 1.08/171 |
00032930016 | XRT/WT | 56 585.97014 | 56 585.98333 | 961 | 0.91±0.08 | 2.28±0.10 | 2.80±0.10 | 0.86/176 |
00032930017 | XRT/WT | 56 586.04097 | 56 586.05417 | 960 | 0.88±0.06 | 2.27±0.08 | 3.23±0.11 | 0.98/222 |
00032930018 | XRT/WT | 56 587.44236 | 56 587.45556 | 526 | 0.74±0.07 | 2.14±0.11 | 3.2![]() |
0.99/142 |
00032930019 | XRT/WT | 56 588.37708 | 56 588.51667 | 1049 | 0.94±0.05 | 2.36±0.07 | 4.63±0.10 | 0.89/292 |
00032930021 | XRT/WT | 56 594.45208 | 56 594.46458 | 946 | 0.76±0.05 | 2.27±0.08 | 3.00±0.08 | 1.06/221 |
00033239001f | XRT/PC | 56 763.28194 | 56 763.42292 | 2021 | 0.76 | 2.27 | <0.004 | – |
Notes. For each observation we also report the results of the spectral fit carried out by using a simple absorbed power-law model (phabs*pow in xspec).
Analyzed separately (see Sect. 3 for details).
We fit the PC and WT spectrum together, leaving all parameters free to vary but obtaining a single d.o.f. from the fit.
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