H.E.S.S. and Fermi-LAT observations of PSR B1259–63/LS 2883 during its 2014 and 2017 periastron passages

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Volume 633 (January 2020)

A&A, 633 (2020) A102

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Table 2

Spectral properties derived from the CT1–4 stereo (2004–2014) and CT1–5 stereo analyses (2014).

Data set	Γ	ϕ(1 TeV) / [10⁻¹² TeV⁻¹ s⁻¹ cm⁻²]	E_C95%/[TeV]
2004	2.64 ± 0.06_stat ± 0.10_sys	0.97 ± 0.05_stat ± 0.19_sys	22.4
2007	2.84 ± 0.08_stat ± 0.10_sys	0.93 ± 0.05_stat ± 0.19_sys	18.0
2011	2.7 ± 0.1_stat ± 0.1_sys	2.4 ± 0.3_stat ± 0.5_sys	1.5
2014	2.84 ± 0.05_stat ± 0.10_sys	1.89 ± 0.07_stat ± 0.38_sys	39.0
2014: CT1–5 Stereo	2.88 ± 0.05_stat ± 0.10_sys	1.93 ± 0.07_stat ± 0.38_sys	10.1

Notes. The photon index Γ, the differential flux ϕ at an energy of 1 TeV and the derived lower limits on the cut-off energies are given. Limits are placed at the 95% confidence level.

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