Open Access
Table A.1
Algorithms, initial images and regularizations used to reconstruct the 6 images of Fig. A.1.
| # | Algorithm | xinit |  |
 |
 |
|---|---|---|---|---|---|
| 1 | MiRA | Circularly symmetric star+layer model(1) |  , μ = 108 |
8.214 | 1.088 |
| 2 | MACIM | Circular limb-darkened disk(2) |  , μ = 1 |
11.40 | 1.348 |
| 3 | MiRA | Image 2 reconstructed by MACIM |  , μ = 2 × 106, γ = 18 mas |
6.734 | 0.8473 |
| 4 | MiRA | Point-like source |  , μ = 2 × 106, γ = 18 mas |
6.734 | 0.8473 |
| 5 | MiRA | Image 2 reconstructed by MACIM |  , μ = 104, τ = 10−4 |
6.504 | 0.8362 |
| 6 | MiRA | Image 4 reconstructed by MiRA |  , μ = 104, τ = 10−4 |
6.503 | 0.8354 |
Notes. (1) Circular star+layer model of Sect. 5 fitted to the V2 data. (2)Circular limb-darkened disk model fitted to the V2 data.
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