Table 4
Apparent diameters (in mas) in the L, M, and N bands obtained from a uniform disc (ΘUD) model fitted to the MATISSE squared visibilities and fitting the synthetic RSG (ΘRSG) and AGB (ΘAGB) visibilities (computed from from the RHD simulations of Table 3).
| Wavelength (μm) | ΘUD | ΘRSG | ΘAGB |
|---|---|---|---|
| (mas) | (mas) | (mas) | |
| L and M bands | |||
| 2.92 ⇓ | 26.16 ± 0.17 | 26.83 ± 0.29 | 20.29 ± 0.22 |
| 2.99 | 26.21 ± 0.14 | 26.77 ± 0.25 | 20.13 ± 0.18 |
| 3.05 | 26.38 ± 0.14 | 27.10 ± 0.26 | 20.86 ± 0.19 |
| 3.11 | 25.44 ± 0.15 | 26.30 ± 0.29 | 20.07 ± 0.20 |
| 3.17 | 24.09 ± 0.16 | 24.07 ± 0.24 | 18.99 ± 0.15 |
| 3.23 | 21.94 ± 0.12 | 22.80 ± 0.18 | 18.82 ± 0.13 |
| 3.29 | 21.36 ± 0.11 | 22.35 ± 0.22 | 18.27 ± 0.14 |
| 3.35 ⇑ | 20.55 ± 0.12 | 21.22 ± 0.20 | 18.31 ± 0.14 |
| 3.41 | 20.32 ± 0.13 | 21.27 ± 0.21 | 18.61 ± 0.16 |
| 3.47 | 20.00 ± 0.13 | 21.09 ± 0.22 | 19.35 ± 0.17 |
| 3.54 | 19.71 ± 0.13 | 21.05 ± 0.23 | 19.84 ± 0.19 |
| 3.60 | 19.63 ± 0.14 | 20.99 ± 0.24 | 20.14 ± 0.21 |
| 3.66 | 19.53 ± 0.14 | 21.18 ± 0.25 | 20.40 ± 0.28 |
| 3.72 | 19.95 ± 0.16 | 21.32 ± 0.29 | 20.25 ± 0.30 |
| 3.78 | 20.28 ± 0.18 | 21.52 ± 0.33 | 21.50 ± 0.35 |
| 3.84 | 20.60 ± 0.20 | 21.83 ± 0.36 | 22.55 ± 0.39 |
| 3.90 | 21.01 ± 0.21 | 21.91 ± 0.38 | 22.48 ± 0.40 |
| 3.96 | 21.67 ± 0.22 | 22.92 ± 0.39 | 23.96 ± 0.42 |
| 4.02 ⇓ | 22.73 ± 0.20 | 23.77 ± 0.35 | 23.72 ± 0.39 |
| 4.08 | 23.87 ± 0.21 | 24.25 ± 0.32 | 22.67 ± 0.32 |
| 4.14 | 25.29 ± 0.22 | 25.26 ± 0.35 | 23.10 ± 0.31 |
| 4.20 | 27.02 ± 0.25 | 26.75 ± 0.40 | 24.33 ± 0.34 |
| 4.27 | 28.80 ± 0.29 | 28.36 ± 0.48 | 25.14 ± 0.41 |
| 4.33 | 31.84 ± 0.35 | 31.11 ± 0.58 | 28.74 ± 0.54 |
| 4.39 | 34.10 ± 0.37 | 31.64 ± 0.59 | 28.54 ± 0.54 |
| 4.45 | 38.55 ± 0.48 | 33.50 ± 0.66 | 28.79 ± 0.51 |
| 4.51 | 38.06 ± 0.50 | 32.36 ± 0.64 | 28.43 ± 0.52 |
| 4.57 | 38.65 ± 0.54 | 32.21 ± 0.67 | 27.71 ± 0.54 |
| 4.63 | 41.38 ± 0.68 | 33.85 ± 0.77 | 28.14 ± 0.57 |
| 4.69 ⇑ | 44.15 ± 0.98 | 28.88 ± 0.56 | 25.73 ± 0.55 |
| N band | |||
| 8.10 | 133.66 ± 5.00 | – | 91.87 ± 6.55 |
| 8.40 | 149.59 ± 3.84 | – | 103.64 ± 5.19 |
| 8.70 | 164.17 ± 3.89 | – | 116.32 ± 5.63 |
| 9.00 | 179.36 ± 3.26 | – | 128.73 ± 4.78 |
| 9.30 ⇓ | 191.71 ± 2.83 | – | 143.71 ± 4.66 |
| 9.59 | 202.89 ± 1.73 | – | 153.91 ± 3.54 |
| 9.89 ⇑ | 210.49 ± 1.91 | – | 157.80 ± 3.73 |
| 10.19 | 215.67 ± 2.36 | – | 171.12 ± 4.89 |
| 10.49 | 221.74 ± 2.85 | – | 174.10 ± 5.62 |
| 10.79 | 226.60 ± 4.02 | – | 173.66 ± 6.84 |
| 11.09 | 222.91 ± 5.00 | – | 173.46 ± 11.07 |
| 11.39 | 230.87 ± 5.03 | – | 178.95 ± 9.12 |
| 11.68 | 229.73 ± 4.68 | – | 176.73 ± 8.59 |
| 11.98 | 221.32 ± 5.28 | – | 173.06 ± 10.96 |
| 12.28 | 216.82 ± 5.53 | – | 161.03 ± 10.03 |
| 12.58 | 221.34 ± 6.35 | – | 161.99 ± 10.10 |
| 12.88 | 223.97 ± 7.87 | – | 169.31 ± 12.88 |
Notes. The arrows in the first column and the horizontal dashed lines indicate the wavelength interval where the telluric spectrum at the observing site is weak (Fig. 3).
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