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

Statwt Summary Plot

VLASS2.1.sb38541375.eb38627613.59093.84554634259_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 5.439 5.094/5.885 5.539 ± 0.5117
ea02 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.451 5.134/5.954 5.561 ± 0.5313
ea05 1342 1342/1342 1342 ± 0 5.568 5.167/6.149 5.684 ± 0.5723
ea06 1342 1342/1342 1342 ± 0 4.964 4.77/5.349 5.041 ± 0.3675
ea07 1342 1342/1342 1342 ± 0 5.721 5.361/6.129 5.849 ± 0.5649
ea08 1342 1342/1342 1342 ± 0 5.796 5.381/6.452 5.912 ± 0.6605
ea09 1342 1342/1342 1342 ± 0 5.652 5.084/6.267 5.683 ± 0.6137
ea10 1342 1342/1342 1342 ± 0 5.637 5.199/6.495 5.793 ± 0.6701
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.786 5.33/6.274 5.87 ± 0.6057
ea13 1342 1342/1342 1342 ± 0 5.957 5.566/6.118 5.915 ± 0.447
ea14 1342 1342/1342 1342 ± 0 5.69 5.198/6.256 5.72 ± 0.6374
ea15 1342 1342/1342 1342 ± 0 5.504 5.038/6.036 5.591 ± 0.6507
ea16 1342 1342/1342 1342 ± 0 6.034 5.503/6.471 6.087 ± 0.7159
ea17 1342 1342/1342 1342 ± 0.000001087 5.92 5.554/6.384 6.005 ± 0.6279
ea18 1342 1342/1342 1342 ± 0 5.013 4.761/5.414 5.08 ± 0.492
ea19 1342 1342/1342 1342 ± 0 5.911 5.491/6.502 6.038 ± 0.6208
ea20 1342 1342/1342 1342 ± 0 6.049 5.678/6.664 6.128 ± 0.6451
ea21 1342 1342/1342 1342 ± 0 5.528 5.271/6.142 5.687 ± 0.5591
ea22 1342 1342/1342 1342 ± 0 5.579 5.068/6.226 5.66 ± 0.6519
ea23 1342 1342/1342 1342 ± 0 5.891 5.448/6.488 5.98 ± 0.6776
ea25 1342 1342/1342 1342 ± 0 5.472 5.189/5.966 5.584 ± 0.559
ea26 1342 1342/1342 1342 ± 0 5.856 5.473/6.523 5.988 ± 0.6611
ea27 1342 1342/1342 1342 ± 0.00002634 5.488 5.079/6.293 5.662 ± 0.6016
ea28 1342 1342/1342 1342 ± 0 5.518 5.249/6.203 5.678 ± 0.6187
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 ± 0.0000244 5.389 5.156/5.551 5.357 ± 0.2461
3 1342 1342/1342 1342 ± 0.00002601 5.034 4.884/5.268 5.054 ± 0.242
4 1342 1342/1342 1342 ± 0.0000244 5.144 4.951/5.288 5.124 ± 0.2846
5 1342 1342/1342 1342 ± 0.0000244 5.285 5.068/5.367 5.232 ± 0.2898
6 1342 1342/1342 1342 ± 0.00002488 4.94 4.766/5.034 4.916 ± 0.219
7 1342 1342/1342 1342 ± 0.0000244 5.301 5.18/5.512 5.307 ± 0.2406
8 1342 1342/1342 1342 ± 0.0000244 5.273 5.068/5.405 5.254 ± 0.2723
9 1342 1342/1342 1342 ± 0.0000244 5.526 5.364/5.819 5.52 ± 0.3025
10 1342 1342/1342 1342 ± 0.0000244 5.929 5.732/6.123 5.921 ± 0.2991
11 1342 1342/1342 1342 ± 0.0000244 6.132 6.065/6.329 6.137 ± 0.3221
12 1342 1342/1342 1342 ± 0.0000244 6.3 6.079/6.517 6.271 ± 0.3472
13 1342 1342/1342 1342 ± 0.0000244 6.683 6.544/6.899 6.676 ± 0.3643
14 1342 1342/1342 1342 ± 0.0000244 6.799 6.683/7.149 6.822 ± 0.387
15 1342 1342/1342 1342 ± 0.0000244 6.5 6.347/6.688 6.448 ± 0.3693
16 1342 1342/1342 1342 ± 0.00002919 5.858 5.65/6.093 5.846 ± 0.3201
17 1342 1342/1342 1342 ± 0.00002786 5.792 5.672/5.994 5.798 ± 0.3028
vis
VLASS2.1.sb38541375.eb38627613.59093.84554634259_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-05-01 07:37:49.522
End
2024-05-01 08:41:05.744
Duration
1:03:16.222
Note, WebLog generation is not included in the time.

CASA logs for stage 7