Table 2.
Key features of the visibility amplitudes of the various models considered at νobs = 230 GHz.
| Model | 40 Gλ | 100 Gλ | n = 1 | n = 2 |
|---|---|---|---|---|
| a = 0.01 circular thin | 9.2 mJy | 2.4 mJy | (150 Gλ, 1 mJy) | (1400 Gλ, 25 μJy) |
| 10 mJy | 2.7 mJy | (140 Gλ, 2 mJy) | (1300 Gλ, 20 μJy) | |
| a = 0.01 radial thin | 14.4 mJy | 2.2 mJy | (54 Gλ, 10 mJy) | (800 Gλ, 10 μJy) |
| 12 mJy | 3.3 mJy | (65 Gλ, 7.5 mJy) | (900 Gλ, 5.6 μJy) | |
| a = 0.01 circular thick | 8.6 mJy | 2.4 mJy | (54 Gλ, 6.8 mJy) | (650 Gλ, 55 μJy) |
| 7.7 mJy | 2.8 mJy | (44 Gλ, 7.7 mJy) | (650 Gλ, 43.2 μJy) | |
| a = 0.01 radial thick | 12.2 mJy | 2.2 mJy | (35 Gλ, 14.4 mJy) | (660 Gλ, 23 μJy) |
| 11.2 mJy | 2.1 mJy | (34 Gλ, 12.8 mJy) | (660 Gλ, 14.9 μJy) | |
| a = 0.94 circular thin | 12.0 mJy | 2.0 mJy | (112 Gλ, 1.8 mJy) | (700 Gλ, 57 μJy) |
| 11.2 mJy | 1.8 mJy | (N/A, N/A) | (N/A, N/A) | |
| a = 0.94 radial thin | 10.4 mJy | 1.3 mJy | (44.2 Gλ, 9.7 mJy) | (896 Gλ, 0.25 μJy) |
| 7.1 mJy | 1.4 mJy | (54 Gλ, 5.5 mJy) | (N/A, N/A) | |
| a = 0.94 circular thick | 10.7 mJy | 1.8 mJy | (54 Gλ, 6 mJy) | (328 Gλ, 180 μJy) |
| 7.3 mJy | 0.7 mJy | (63.8 Gλ, 3.5 mJy) | (N/A, N/A) | |
| a = 0.94 radial thick | 7.4 mJy | 0.6 mJy | (34.4 Gλ, 10.0 mJy) | (847 Gλ, 0.01 μJy) |
| 6.2 mJy | 0.5 mJy | (34.4 Gλ, 7.3 mJy) | (N/A, N/A) | |
Notes. For each model, we list the visibility amplitude |V(u,φ)| at u = 40 Gλ and 100 Gλ, as well as the baseline thresholds b1(φ) and b2(φ) (and the corresponding visibility amplitudes) past which the n = 1 and n = 2 contributions start to dominate the signal (Eq. (15)). For each model, two lines are provided, corresponding to a baseline polar angle φ = 90° (aligned with spin, upper line) or φ = 0° (perpendicular to spin, lower line). The percent level p of Eq. (15) is 5% everywhere, except for the numbers in red, where it is set to 10% (in these cases, the ring never dominates according to the 5% criterion). The “N/A” in the n = 2 column for the high-spin cases at φ = 0° mean that the n = 2 signal never dominates even for p = 10%.
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