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Table 1

Observations used in this work.

Sat.a ObsID Start (MJD) Expt.b E c

Suzaku 907006010 56 251.63 9061 1a
NuSTAR 80001001002 56 261.36 14767 1b
Swift 00031030018 56 261.53 1716 1b
Suzaku 408044010 56 660.66 15322 2
NuSTAR 90001003002 56 994.82 26861 3
Swift 00081425001 56 995.00 2263 3
NuSTAR 90001003004 57 049.74 17260 4
Swift 00081425002 57 049.79 1943 4

Notes. Data from epoch 1a has been used and analyzed by Yamamoto et al. (2013, 2014) as well as by Bellm et al. (2014), who used and analyzed epoch 1b in addition.

(a)

Name of the X-ray mission.

(b)

Exposure time in seconds. For NuSTAR the longest FPM and for Suzaku the longest XIS exposure is given.

(c)

Data epoch indicating which observations have been combined in the spectral analysis.

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