Calculate data weights based on st. dev. within each spw.

Statwt Summary Plot

VLASS2.1.sb38490392.eb38577577.59079.6066271412_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

Plot of antenna-based weight vs. antenna or spectral window (after re-weight)

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 5.581 5.351/6.347 5.663 ± 0.7925
ea02 1342 1342/1342 1342 ± 0.000039 5.985 5.542/6.755 5.907 ± 1.003
ea04 1342 1342/1342 1342 ± 0 4.945 4.659/5.589 5.071 ± 0.6479
ea05 1342 1342/1342 1342 ± 0.00002045 5.091 4.728/5.965 5.288 ± 0.6879
ea06 1342 1342/1342 1342 ± 0 4.75 4.612/5.329 4.876 ± 0.5743
ea07 1342 1342/1342 1342 ± 0.00004272 5.76 5.289/6.069 5.617 ± 0.7965
ea08 1342 1342/1342 1342 ± 0.00004272 6.088 5.699/6.87 6.082 ± 1.024
ea09 1342 1342/1342 1342 ± 0.00000124 5.526 5.058/6.438 5.567 ± 0.7957
ea10 1342 1342/1342 1342 ± 0.00004273 5.61 5.278/6.442 5.671 ± 0.8199
ea11 1342 1342/1342 1342 ± 0.0000336 5.764 5.197/6.3 5.61 ± 0.9163
ea12 1342 1342/1342 1342 ± 0.00000248 5.305 5.012/6.265 5.491 ± 0.8794
ea13 1342 1342/1342 1342 ± 0.000004922 5.771 5.465/6.129 5.747 ± 0.7055
ea14 1342 1342/1342 1342 ± 0.00001693 5.448 5.101/6.443 5.629 ± 0.8134
ea15 1342 1342/1342 1342 ± 0 5.017 4.751/5.918 5.293 ± 0.8022
ea16 1342 1342/1342 1342 ± 0.00003407 5.598 5.219/6.398 5.675 ± 0.817
ea17 1342 1342/1342 1342 ± 0.00004272 6.091 5.639/7.058 6.089 ± 0.9965
ea18 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea19 1342 1342/1342 1342 ± 0.00001084 5.413 5.128/6.319 5.581 ± 0.7697
ea20 1342 1342/1342 1342 ± 0.000003037 5.614 5.255/6.646 5.73 ± 0.9299
ea21 1342 1342/1342 1342 ± 0.00003067 5.218 5.008/5.937 5.367 ± 0.7357
ea22 1342 1342/1342 1342 ± 0.00002038 5.564 5.291/6.645 5.695 ± 0.9451
ea23 1342 1342/1342 1342 ± 0.00004272 5.678 5.153/6.41 5.688 ± 0.8918
ea25 1342 1342/1342 1342 ± 0.00004255 5.67 5.227/6.364 5.64 ± 0.8715
ea26 1342 1342/1342 1342 ± 0 5.588 5.49/6.476 5.747 ± 0.73
ea27 1342 1342/1342 1342 ± 0.00004775 5.655 5.244/6.554 5.714 ± 0.8766
ea28 1342 1342/1342 1342 ± 0.00004443 6.068 5.621/6.811 5.926 ± 0.9492
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.00002394 5.582 5.305/5.729 5.499 ± 0.3311
5 1342 1342/1342 1342 ± 0.00002442 5.227 5.001/5.383 5.197 ± 0.3192
6 1342 1342/1342 1342 ± 0.00002394 5.266 5.098/5.593 5.296 ± 0.3513
7 1342 1342/1342 1342 ± 0.00002394 5.292 5.109/5.53 5.276 ± 0.3199
8 1342 1342/1342 1342 ± 0.00002394 5.244 5.078/5.438 5.231 ± 0.3356
9 1342 1342/1342 1342 ± 0.00002394 5.588 5.229/5.728 5.513 ± 0.3782
10 1342 1342/1342 1342 ± 0.00002394 5.97 5.674/6.126 5.922 ± 0.3701
11 1342 1342/1342 1342 ± 0.00002394 6.218 5.99/6.425 6.183 ± 0.3756
12 1342 1342/1342 1342 ± 0.00002394 6.398 6.126/6.64 6.358 ± 0.3975
13 1342 1342/1342 1342 ± 0.00002427 6.663 6.521/6.859 6.659 ± 0.3217
14 1342 1342/1342 1342 ± 0.00003208 6.687 6.421/6.82 6.617 ± 0.3207
15 1342 1342/1342 1342 ± 0.00002427 6.67 6.457/6.881 6.636 ± 0.4511
16 1342 1342/1342 1342 ± 0.00006103 4.065 3.931/4.235 4.078 ± 0.2043
17 1342 1342/1342 1342 ± 0.00006082 4.127 4.002/4.25 4.123 ± 0.1806
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38490392.eb38577577.59079.6066271412_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-12-13 11:26:26.316
End
2024-12-13 12:21:28.482
Duration
0:55:02.166
Note, WebLog generation is not included in the time.

CASA logs for stage 8