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Table 1.
Best-fit parametric models.
| Model | Fitted | H band | K band | L band | M band |
|---|---|---|---|---|---|
| Parameters | |||||
| Uniform disk | θUD [mas] | 3.311 ± 0.009 | 3.481 ± 0.024 | 3.675 ± 0.011 | 4.974 ± 0.010 |
| χν, UD2 | 91.3 | 18.7 | 1.9 | 2.7 | |
| Limb darkened | θLD [mas] | 4.191 ± 0.021 | 4.277 ± 0.157 | – | – |
| αLD | 1.727 ± 0.011 | 1.757 ± 0.411 | – | – | |
| χν, LD2 | 59.3 | 14.8 | – | – | |
| Uniform ellipse | θEF [mas] | 3.364 ± 0.005 | 3.540 ± 0.023 | 3.811 ± 0.027 | 5.333 ± 0.022 |
| incl. [deg] | 17.29 ± 0.39 | 12.540 ± 0.096 | 18.92 ± 1.590 | −26.42 ± 0.720 | |
| proj. angle [deg] | 22.787 ± 0.033 | 80.6 ± 0.82 | 128.190 ± 4.570 | −32.900 ± 1.250 | |
| χν, EF2 | 55.1 | 12.5 | 1.9 | 2.4 | |
| Binary | θUD, B [mas] | 3.296 ± 0.002 | 3.4709 ± 0.010 | 3.623 ± 0.066 | 4.911 ± 0.040 |
| ΔRA(x) [mas] | 3.014 ± 0.019 | 4.690 ± 0.175 | −2.090 ± 1.650 | 2.793 ± 1.690 | |
| ΔDEC(y) [mas] | 0.463 ± 0.039 | −11.093 ± 0.512 | 4.301 ± 3.00 | −6.710 ± 1.70 | |
| Fc/F* [%] | 1.007 ± 0.048 | 0.546 ± +0.337 | 1.580 ± 0.70 | 3.660 ± 0.720 | |
| χν, B2 | 15.0 | 14.9 | 0.2 | 0.3 | |
| Convective Dipole | θUD, T [mas] | 3.3 ± 0.03 | – | – | – |
| incl. [deg] | 170 ± 49 | – | – | – | |
| proj. angle [deg] | 172 ± 38 | – | – | – | |
| δT [K] | 212 ± 141 | – | – | – | |
| χν, T2 | 30.0 | ||||
Notes. Best-fit parametric models for each instrument. Models were fitted in wavelength binned continuum bands. All uncertainties provided are purely statistical and do not account for calibration errors or uncertainties related to wavelength calibration.
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