Table 2
Standard deviations of the squared visibilities (
: without frame selection and 
: with 20% frames selection) and of the rescaled differential ones (
) for our three datasets.
| % |
|
|
|
|
|
|
|
|
||||||
| UT-MR-NoFT | ||||||
|
|
||||||
|
|
13 | 6.5 | 0.25 | 0.22 | 1.8 | 0.53 |
|
|
22 | 4.2 | 0.44 | 0.36 | 3.1 | 0.86 |
|
22 | 0.014 | 0.3 | 0.17 | 3.1 | 0.92 |
|
|
||||||
| AT-MR-FT | ||||||
|
|
||||||
|
|
43 | 14 | 2.5 | 2.5 | 4.7 | 4.1 |
|
|
55 | 2.1 | 2.3 | 2.3 | 6.1 | 5.6 |
|
|
55 | 0.0086 | 1.7 | 1.4 | 06 | 5.4 |
|
|
||||||
| AT-LR-FT | ||||||
|
|
||||||
|
|
36 | 14 | 0.5 | 0.48 | 3.2 | 0.81 |
|
|
49 | 6.3 | 0.6 | 0.55 | 4.6 | 1.1 |
|
|
50 | 0.57 | 0.43 | 0.29 | 4.9 | 1.2 |
Notes. If we let 
be the squared visibility at frame i averaged over wavelengths, then refers to the average of that quantity over an exposure file and its standard deviation per frame. Columns with 
refer to the standard deviations of squared visibilities over time per exposure file (therefore including a 
factor), computed, and then averaged for all wavelengths. Columns with 
contain the standard deviations over wavelengths, computed from the average visibility of the frames in the considered selection. In addition, the standard deviations and are also given for the considered squared visibilities corrected from the piston trend (
), i.e., after subtraction of a second order polynomial fit. All results are averaged over the various exposure files and baselines of a given dataset.
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