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

Statwt Summary Plot

VLASS3.2.sb45486206.eb46169366.60475.03141015046_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 5.43 4.89/6.145 5.357 ± 1.026
ea02 1342 1342/1342 1342 ± 0.00002215 5.218 5.151/6.297 5.477 ± 1.006
ea03 1342 1342/1342 1342 ± 0 5.311 5.11/6.264 5.515 ± 0.7233
ea04 1342 1342/1342 1342 ± 0.00004877 5.02 4.539/5.843 5.01 ± 0.8397
ea05 1342 1342/1342 1342 ± 0.00005072 5.19 4.934/6.175 5.247 ± 0.954
ea06 1342 1342/1342 1342 ± 0.00002335 4.927 4.675/5.757 5.029 ± 0.747
ea07 1342 1342/1342 1342 ± 0.00003708 5.079 4.853/6.045 5.275 ± 0.9162
ea08 1342 1342/1342 1342 ± 0.000004807 5.769 5.394/6.636 5.738 ± 0.981
ea09 1342 1342/1342 1342 ± 0.00004716 4.966 4.676/5.82 4.943 ± 0.8411
ea10 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea11 1342 1342/1342 1342 ± 0.00005342 5.201 4.48/6.132 5.071 ± 1.031
ea12 1342 1342/1342 1342 ± 0.00004637 5.061 4.626/5.772 5.01 ± 0.8711
ea14 1342 1342/1342 1342 ± 0.00004875 5.252 5.082/6.284 5.338 ± 0.9482
ea15 1342 1342/1342 1342 ± 0.0000504 5.409 4.882/6.467 5.408 ± 1.029
ea16 1342 1342/1342 1342 ± 0.00001803 5.532 5.162/6.316 5.552 ± 0.9203
ea17 1342 1342/1342 1342 ± 0.00004093 5.583 5.171/6.482 5.644 ± 1.068
ea18 1342 1342/1342 1342 ± 0.000005373 5.726 5.554/6.634 5.812 ± 0.9507
ea19 1342 1342/1342 1342 ± 0.00004101 5.197 4.832/6.114 5.23 ± 0.9254
ea20 1342 1342/1342 1342 ± 0.00002911 5.652 5.375/6.457 5.782 ± 0.8392
ea21 1342 1342/1342 1342 ± 0.000002945 5.01 4.827/5.595 5.095 ± 0.5882
ea22 1342 1342/1342 1342 ± 0.000009288 5.424 4.999/6.297 5.454 ± 0.9259
ea23 1342 1342/1342 1342 ± 0.00004496 5.454 5.023/6.247 5.395 ± 0.9731
ea24 1342 1342/1342 1342 ± 0 5.13 4.876/5.901 5.376 ± 0.6494
ea25 1342 1342/1342 1342 ± 0.000006124 5.636 5.374/6.73 5.859 ± 0.8315
ea27 1342 1342/1342 1342 ± 0.00001197 5.059 4.802/6.095 5.169 ± 0.8416
ea28 1342 1342/1342 1342 ± 0 5.604 5.491/6.473 5.824 ± 0.7229
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 ± 0.00002398 5.192 4.884/5.315 5.129 ± 0.2789
5 1342 1342/1342 1342 ± 0.00003526 5.055 4.814/5.42 5.09 ± 0.3806
6 1342 1342/1342 1342 ± 0.00002446 5.124 4.838/5.338 5.096 ± 0.2733
7 1342 1342/1342 1342 ± 0.00002398 5.221 5.004/5.417 5.226 ± 0.2453
8 1342 1342/1342 1342 ± 0.00002398 5.163 4.937/5.394 5.165 ± 0.2785
9 1342 1342/1342 1342 ± 0.00002398 5.418 5.22/5.666 5.428 ± 0.2878
10 1342 1342/1342 1342 ± 0.00002398 5.973 5.779/6.094 5.93 ± 0.2831
11 1342 1342/1342 1342 ± 0.00002398 6.247 6.112/6.479 6.231 ± 0.2868
12 1342 1342/1342 1342 ± 0.00002398 6.393 6.272/6.598 6.423 ± 0.3239
13 1342 1342/1342 1342 ± 0.00002401 6.566 6.213/6.87 6.564 ± 0.412
14 1342 1342/1342 1342 ± 0.00005398 5.039 4.479/5.571 5.094 ± 0.709
15 1342 1342/1342 1342 ± 0.00002398 6.472 6.14/6.84 6.461 ± 0.4306
16 1342 1342/1342 1342 ± 0.00006103 3.673 3.494/4.022 3.821 ± 0.4782
17 1342 1342/1342 1342 ± 0.00006103 3.653 3.432/3.998 3.739 ± 0.4042
vis
VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-07-29 11:13:11.520
End
2025-07-29 11:39:24.309
Duration
0:26:12.790
Note, WebLog generation is not included in the time.

CASA logs for stage 8