Table 6.
Parameter values derived using the Spitzer-“only” method, which we employ here following (Gould et al. 2020).
| 2*Parameter | Spitzer-“only” | Spitzer-“only” | Spitzer-“only” constrained |
|---|---|---|---|
| u0 > 0 | u0 < 0 | u0 < 0 | |
| t0, par [days] | 2458680.0 | 2458680.0 | 2458680.0 |
| t0 [days] | 2458681.210 ± 0.001 | 2458681.220 ± 0.001 | 2458681.220 ± 0.001 |
| u0 | 0.0194 ± 0.0001 | −0.0193 ± 0.0001 | −0.0193 ± 0.0001 |
| tE [days] | 106.0 ± 0.7 | 106.80 ± 0.41 | 106.77 ± 0.42 |
| πEN | −0.0557 ± 0.003 | −0.0404 ± 0.0035 | −0.0381 ± 0.0013 |
| πEE | −0.0944 ± 0.004 | −0.0764 ± 0.0044 | −0.0735 ± 0.0016 |
| ρ | 0.03219 ± 0.00012 | 0.03211 ± 0.00012 | 0.03211 ± 0.00013 |
| χ2 | 23 | 24 | 23 |
Notes. The results obtained with this approach and global ground+Gaia+Spitzer fit are almost identical. We do not list constrained Spitzer-“only” for positive u0 here because it did not converge to any solution, confirming the u0 < 0 scenario.
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