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Table 5.

Results from fitting the simulated IXPE fixed-ions condensed surface data.

Model name χ2/D.o.F. norm χ ξ Δϕ β nH ϕ offset
[10−9] [°] [°] [rad] [c] [1022 cm−2] [°]
Fixed-ions cond. surf. (input) NA 8.74 15.0 60.0 0.50 0.35 0.513 0.0 0.858
Blackbody (best fit) 435.6/202 12.2 9.8 58.5 0.73 0.20 0.212 16.6 0.861
Fixed-ions cond. surf. (best fit) 192.3/202 8.81 16.0 65.0 0.61 0.29 0.435 −1.1 0.855
Fixed-ions cond. surf. (no QED) 193.4/202 8.77 20.5 62.5 0.54 0.30 0.504 14.0 0.856

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