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Table 3
LDD and Gaussian hotspot model fitting for the spatial frequencies lower than 51 arcsec-1.
| Parameter | Jan. 2012 | Feb. 2013 | Jan. 2014 |
|
|
|||
| θLDD (mas) | 42.94 ± 0.50 | 43.73 ± 0.50 | 44.06 ± 0.59 |
| α LDD | 0.15 ± 0.06 | 0.19 ± 0.07 | 0.23 ± 0.09 |
| w spot | 0.13 ± 0.03 | 0.08 ± 0.02 | 0.22 ± 0.08 |
| xcenter (mas) | 17.07 ± 2.22 | 19.76 ± 2.02 | 16.24 ± 5.25 |
| ycenter (mas) | −5.98 ± 2.42 | −7.46 ± 2.42 | 2.40 ± 5.25 |
| FWHM (mas) | 21.76 ± 2.02 | 18.42 ± 2.42 | 29.48 ± 6.26 |
|
29 | 31 | 29 |
|
46 | 33 | 30 |
Notes. The last line corresponds to the standard deviation of the χ2 divided by the square root of twice the number of degree of freedom.
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