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Table 2
Log and fitting results of Swift/XRT observations of 1ES 1011+496 in the 0.3−10 keV band using a power-law model with NH fixed to Galactic absorption.
| Observation | Net exposure time | Photon index | Flux 0.3−10 keV | χ2/ | |
| Date | s | Γ | [10-13 erg cm-2 s-1] | d.o.f. | |
|
|
|||||
| 2012 Mar. 20 | 2285 | 2.35 ± 0.06 | 5.34 ± 0.22 | 56/62 | |
| 2012 Mar. 23 | 210 | 2.50 ± 0.26 | 4.55 ± 0.81 | Cashb | |
| 2012 Mar. 27 | 1618 | 2.12 ± 0.08 | 5.67 ± 0.31 | 46/39 | |
| 2012 Mar. 31 | 2195 | 2.33 ± 0.08 | 3.50 ± 0.22 | 39/35 | |
Notes.
(b)
the Cash statistic (Humphrey et al. 2009) was used to fit the spectrum.
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