Open Access
Table N.2.
mF-ring parameters and priors.
| Component | Parameter | Description | Units | Prior |
|---|---|---|---|---|
| mF-ring | r1 | Semi-major axis length | μas | 𝒰(10, 30) |
| r0/r1 | Semi-major/Semi-major length ratio | ... | 𝒰(0.1, 1) | |
| ϕm | Semi-major axis orientation | rad | 𝒰(0,π) | |
 |
Relative central brightness | ... | 𝒰(0.0,1.0) | |
| Ai | Amplitude of the ith mode | ... | 𝒰(0.0,0.5) | |
| βi | Phase of the ith mode | ... | 𝒰(0.0,0.5) | |
 |
Blurring kernel standard deviation | μas | 𝒰(1.0,50) | |
| f | mF-ring/(all nuisance Gaussians) flux ratio | ... | 𝒰(0,1) | |
| Nuisance | fg | Primary/secondary Gaussian flux ratio | ... | 𝒰(0.51, 1) |
| Gaussians | σgi | Standard deviation of ith nuisance Gaussian | μas | 𝒰(2, 40) |
| τi | Semi-major/semi-minor length ratio of ith nuisance Gaussian | ... | 𝒰(0.1, 1) | |
| ξgi | Stretch angle of ith nuisance Gaussian | rad | 𝒰(0, π) | |
| x1 | Horizontal displacement of primary Gaussian from m-ring center | μas | 𝒰(−50, 50) | |
| x2 | Horizontal displacement of secondary Gaussian from primary center | μas | 𝒰(−50, 50) | |
| y1 | Vertical displacement of primary Gaussian from m-ring center | μas | 𝒰(−50, 50) | |
| y2 | Vertical displacement of secondary Gaussian from primary center | μas | 𝒰(−50, 50) | |
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