Table 2
Results of the global fit for different parameters tested for variability (Models #2 to #6).
| # | Model | Var. par. | Nfp |  (P) |
 (G) |
|---|---|---|---|---|---|
| 1 | SHRM1 | – | 10 | 17.2±0.8 | 21.0±0.9 |
| 2 | SHRM1 | i | 9+Ne | 14.9±0.7 | 14.7±0.5 |
| 3 | SHRM1 | Fs | 9+Ne | 13.5±0.7 | 11.1±0.4 |
| 4 | SHRM1 | PA | 9+Ne | 12.4±0.6 | 12±0.5 |
| 5 | SHRM1 | ar, ak | 8+2Ne | 12.0±0.6 | 7.7±0.3 |
| 6 | SHRM1 | c1, s1 | 8+2Ne | 11.5±0.6 | 5.3±0.3 |
| Nb of data points | 3855 | 1803 | |||
Notes. Model #1 corresponds to a nonvariable system. The uncertainty on the 
is reported. The model nomenclature (Col. 2) gives S = star, H = halo, RM1 = 1st order azimuthal modulated ring; Nfp gives the number of free parameters. Ne is the number of epochs, namely 20 for PIONIER (P) and 13 for GRAVITY (G)).
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