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

Statwt Summary Plot

VLASS3.2.sb45460397.eb46168936.60474.13114186343_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 5.404 5.177/6.504 5.688 ± 0.847
ea02 1342 1342/1342 1342 ± 0.00002342 5.507 5.067/6.256 5.599 ± 0.9251
ea03 1342 1342/1342 1342 ± 0 5.296 5.07/6.531 5.675 ± 0.8407
ea04 1342 1342/1342 1342 ± 0.00004192 5.033 4.833/6.021 5.312 ± 0.7051
ea05 1342 1342/1342 1342 ± 0.00004248 5.174 4.938/6.374 5.484 ± 0.8472
ea06 1342 1342/1342 1342 ± 0.000002589 4.887 4.708/5.792 5.235 ± 0.7501
ea07 1342 1342/1342 1342 ± 0.00002796 5.043 4.919/6.274 5.542 ± 0.9299
ea08 1342 1342/1342 1342 ± 0 5.439 5.183/6.601 5.805 ± 0.9062
ea09 1342 1342/1342 1342 ± 0.00004193 4.859 4.672/6.04 5.164 ± 0.7413
ea10 1342 1342/1342 1342 ± 0.0000426 4.837 4.417/5.917 5.088 ± 0.7773
ea11 1342 1342/1342 1342 ± 0.00004471 5.065 4.505/6.155 5.244 ± 0.8965
ea12 1342 1342/1342 1342 ± 0.00004161 5.01 4.826/5.99 5.311 ± 0.6681
ea14 1342 1342/1342 1342 ± 0.00004193 5.379 5.202/6.338 5.625 ± 0.7266
ea15 1342 1342/1342 1342 ± 0.00004279 5.142 5.076/6.33 5.575 ± 0.8716
ea16 1342 1342/1342 1342 ± 0.000003694 5.546 5.092/6.501 5.725 ± 0.8865
ea17 1342 1342/1342 1342 ± 0.00003774 5.394 5.048/6.698 5.696 ± 0.8516
ea18 1342 1342/1342 1342 ± 0 5.472 5.237/6.79 5.879 ± 0.8265
ea19 1342 1342/1342 1342 ± 0.00003324 5.155 5.05/6.334 5.553 ± 0.7578
ea21 1342 1342/1342 1342 ± 0 4.862 4.727/5.724 5.123 ± 0.6888
ea22 1342 1342/1342 1342 ± 0.000002024 5.429 4.958/6.448 5.604 ± 0.8083
ea23 1342 1342/1342 1342 ± 0.000042 5.364 4.955/6.234 5.594 ± 0.797
ea24 1342 1342/1342 1342 ± 0.00002031 5.092 4.989/6.395 5.548 ± 0.7772
ea25 1342 1342/1342 1342 ± 0.000001652 5.647 5.28/6.7 5.939 ± 0.9208
ea27 1342 1342/1342 1342 ± 0.000004523 5.068 4.87/6.32 5.475 ± 0.7876
ea28 1342 1342/1342 1342 ± 0.00002892 5.451 5.337/6.839 5.832 ± 0.9032
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 ± 0.00002392 4.954 4.843/5.076 4.927 ± 0.2897
4 1342 1342/1342 1342 ± 0.0000345 3.87 3.604/4.082 3.874 ± 0.3035
5 1342 1342/1342 1342 ± 0.00002392 5.027 4.781/5.323 5.044 ± 0.2944
6 1342 1342/1342 1342 ± 0.00002392 5.062 4.855/5.322 5.052 ± 0.2564
7 1342 1342/1342 1342 ± 0.00002392 5.134 4.951/5.227 5.099 ± 0.221
8 1342 1342/1342 1342 ± 0.00002392 5.066 4.899/5.221 5.05 ± 0.2478
9 1342 1342/1342 1342 ± 0.00002392 5.423 5.255/5.606 5.385 ± 0.2614
10 1342 1342/1342 1342 ± 0.00002392 5.956 5.789/6.07 5.915 ± 0.2527
11 1342 1342/1342 1342 ± 0.00002392 6.224 6.09/6.298 6.17 ± 0.2573
12 1342 1342/1342 1342 ± 0.00002392 6.335 6.142/6.511 6.331 ± 0.2971
13 1342 1342/1342 1342 ± 0.00002392 6.78 6.531/6.949 6.739 ± 0.3057
14 1342 1342/1342 1342 ± 0.00002433 6.714 6.383/6.96 6.711 ± 0.3894
15 1342 1342/1342 1342 ± 0.00002392 6.691 6.259/6.952 6.608 ± 0.3647
16 1342 1342/1342 1342 ± 0.0000609 4.775 4.636/4.946 4.81 ± 0.2555
17 1342 1342/1342 1342 ± 0.00006095 4.764 4.596/4.951 4.802 ± 0.2801
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-07-22 23:27:40.743
End
2025-07-23 00:26:50.731
Duration
0:59:09.987
Note, WebLog generation is not included in the time.

CASA logs for stage 8