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Table 1.

Model parameters, bounds, and initial values

Parameter Units Description Bounds Initial


Lower Upper Lower Upper
α Wind temperature power 1E−5 5 0.1 0.8
αoff Wind temperature additional post break power 0 2 0 1.5
β mas Standard deviation of disk dust 1E−6 400 0.1 300
ϕ deg Half-opening angle 0 45 5 40
b Hyperbolic shape parameter 1 4 0.1 2
rin mas Sublimation radius 2 5 3.4 3.6
γr rin Disk power break radius 1 5 2 4.6
αr rin Wind power break radius 1 5 2 4.6
aw Hyperbolic shape parameter 0.1 4 0.1 2
awidth ( + ) Standard deviation for normal distribution about aw 0.05
nc log10(g cm−2 mas−1) Clump dust density −7 0 −3.5 −2.5
nd log10(g cm−2β) Normalized smooth dust density at r = 0 −5.5 −2 −4.5 −2.5
γ Disk temperature power 1E−5 5 0.1 5
γoff Disk temperature additional post break power 1E−5 5 0 1.5
inc deg The inclination 0 90 0||45( * ) 39||89( * )
ang deg The PA from north of the polar axis 0 360 5 45
pg Percentage of dust that is amorphous carbon 0 1 0 0.3
f v ( ) $ {f_{\mathrm{v}}}^{(\dag)} $ V2 error underestimation 1E−15 1 1E−10 1E−9
f c ( ) $ {f_{\mathrm{c}}}^{(\dag)} $ Φc error underestimation 1E−15 1 1E−10 1E−9
Np Number of points 90 1E5 1E2 2E4
f w ( ) $ {f_{\mathrm{w}}}^{(\dag)} $ Log10 fraction of points in wind 1E−2 1 1E−2 1
αw Radial power for distribution of wind clumps 0 3 0 3
sc Moon phase effect relative intensity 0.1 1.1 0.5 1.1
rc mas Clump radius 0 5 0 0.4
BB hot ( ) $ \mathrm{BB}_{\mathrm{hot}}^{(\ddag)} $ FAGN(λmin) Flux of hot component at shortest wavelength 0 2
V0 Achromatic over-resolved component 0 1 0.4 1.0
Tbw K Wind clump base temperature 0 400 0.5 300
Tbd K Disk clump base temperature 0 400 0.5 300
Additional rules
ϕ < 90 − tan−1(b/aw)
ϕ > inc||ϕ < inc*

Notes. ( + )Fixed parameter, ( † )Fit in log10, ( ‡ )Not used in band-by-band fit, ( * )for the edge-on band-by-band and face-on band-by-band fits, respectively.

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