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Table A.2

Results of simulations comparing fits to a Plummer filament with a linear or polynomial background.

Variable Original value Linear BG component Polynomial BG component
m = 0.1
N0 4.0 4.1 ± 0.6 4.3 ± 0.5
Rflat 6.0 6.4 ± 4.8 5.7 ± 4.1
p 2.0 2.0 ± 1.2 1.8 ± 1.0
FWHM 20.8 21.7 ± 3.8 23.2 ± 4.0

m=1
N0 4.0 4.1 ± 0.6 4.0 ± 0.2
Rflat 6.0 6.3 ± 4.7 15.1 ± 5.2
p 2.0 1.9 ± 1.2 2.9 ± 0.7
FWHM 20.8 21.5 ± 3.9 31.7 ± 3.8

m=2
N0 4.0 4.1 ± 0.6 3.7 ± 0.1
Rflat 6.0 6.3 ± 4.7 41.1 ± 3.8
p 2.0 1.9 ± 1.2 9.6 ± 0.9
FWHM 20.8 21.6 ± 3.9 34.9 ± 1.7

Notes. Values listed are the median ± standard deviation of the derived values.

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