The nebula around pulsar B1853+01 in X-rays | Astronomy & Astrophysics (A&A)

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Table 4.

Best-fitting values for PSR B1853+01.

	N_H (×10²² cm⁻²)	Γ	Norm^a	χ_red² (d.o.f.)
`tbabs × PL:`
Chandra	$0 . 65_{- 0.42}^{+ 0.46}$ $Mathematical equation: $ 0.65^{+0.46}_{-0.42} $$	$1 . 87_{- 0.43}^{+ 0.48}$ $Mathematical equation: $ 1.87^{+0.48}_{-0.43} $$	$1 . 22_{- 0.49}^{+ 0.86} \times 10^{- 5}$ $Mathematical equation: $ 1.22^{+0.86}_{-0.49}\times10^{-5} $$	1.01 (16)
XMM-Newton	$0 . 75_{- 0.14}^{+ 0.17}$ $Mathematical equation: $ 0.75^{+0.17}_{-0.14} $$	$1 . 70_{- 0.16}^{+ 0.17}$ $Mathematical equation: $ 1.70^{+0.17}_{-0.16} $$	$1 . 45_{- 0.28}^{+ 0.35} \times 10^{- 5}$ $Mathematical equation: $ 1.45^{+0.35}_{-0.28}\times10^{-5} $$	0.97 (248)
NuSTAR^b	0.65 (fixed)	$1 . 91_{- 0.43}^{+ 0.42}$ $Mathematical equation: $ 1.91^{+0.42}_{-0.43} $$	$^{c} 8 . 24_{- 5.39}^{+ 10.37} \times 10^{- 5}$ $Mathematical equation: $ ^c8.24^{+10.37}_{-5.39}\times10^{-5} $$	1.20 (19)

Notes. ^a photons/keV/cm²/s @ 1 keV. ^bExtraction circle radius 18″. ^cValue for FPMA; for FPMB Norm is $9 . 83_{- 4.52}^{+ 8.76} \times 10^{- 5}$ $Mathematical equation: $ 9.83^{+8.76}_{-4.52}\times10^{-5} $$ .

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