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Table 2
List of the parameters in our models.
| Parameter | Ring model | Flat disk model | 2D Gaussian model |
|---|---|---|---|
| L-band | L-band | L- & N-band | |
| θ | Position angle of the major axis (East from North) | ||
| cos i | Axis ratio | ||
| HWHMGaussian | – | – | Radius (HWHM) of Gaussian |
| Ftot | – | – | Total flux |
| Ftot,⋆ | – | – | Total flux of the central star |
| f⋆ | Flux ratio of the central star | – | |
| Rin | Ring radius | Inner radius | – |
| FWHMKernel | Kernel width (FWHM) | – | – |
| Amod | Amplitude of the azimuthal modulation | – | |
| ϕmod | Phase angle of the azimuthal modulation (from the major axis) | – | |
| q | – | Power-law exponent of the temperature gradient | – |
| log f | Logarithm of the error underestimation fraction | ||
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