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

Statwt Summary Plot

VLASS3.2.sb45489670.eb46132517.60459.18880607639_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 5.917 5.613/6.49 5.957 ± 0.7124
ea02 1342 1342/1342 1342 ± 0 6.032 5.534/6.429 6.056 ± 0.7504
ea03 1342 1342/1342 1342 ± 0 6.034 5.357/6.66 5.961 ± 0.7095
ea04 1342 1342/1342 1342 ± 0.000001551 5.343 4.912/5.945 5.393 ± 0.6009
ea05 1342 1342/1342 1342 ± 0.00001103 5.521 5.162/6.383 5.674 ± 0.7377
ea06 1342 1342/1342 1342 ± 0 5.722 5.024/5.989 5.584 ± 0.6616
ea07 1342 1342/1342 1342 ± 0 5.777 5.086/6.14 5.692 ± 0.7964
ea08 1342 1342/1342 1342 ± 0 5.957 5.364/6.481 5.961 ± 0.7246
ea09 1342 1342/1342 1342 ± 0.000003289 5.567 5.036/6.304 5.643 ± 0.7151
ea10 1342 1342/1342 1342 ± 0 5.263 5.1/6.02 5.494 ± 0.593
ea11 1342 1342/1342 1342 ± 0.00003262 5.459 5.059/6.306 5.561 ± 0.8028
ea12 1342 1342/1342 1342 ± 0 5.357 5.221/6.225 5.578 ± 0.5945
ea14 1342 1342/1342 1342 ± 0.000019 5.649 5.396/6.423 5.818 ± 0.65
ea15 1342 1342/1342 1342 ± 0.00001895 6.033 5.507/6.613 6.056 ± 0.8313
ea16 1342 1342/1342 1342 ± 0 5.999 5.547/6.578 6.035 ± 0.6964
ea17 1342 1342/1342 1342 ± 0 5.963 5.612/6.913 6.132 ± 0.6895
ea18 1342 1342/1342 1342 ± 0 6.374 5.754/7.046 6.299 ± 0.7671
ea19 1342 1342/1342 1342 ± 0 5.579 5.314/6.586 5.83 ± 0.6974
ea20 1342 1342/1342 1342 ± 0 6.505 5.802/7.004 6.329 ± 0.7751
ea22 1342 1342/1342 1342 ± 0 5.539 5.151/6.123 5.58 ± 0.6002
ea23 1342 1342/1342 1342 ± 0.00001103 5.549 5.353/6.312 5.807 ± 0.7065
ea24 1342 1342/1342 1342 ± 0 6.066 4.952/6.441 5.699 ± 0.8486
ea25 1342 1342/1342 1342 ± 0 6.409 5.549/6.84 6.275 ± 0.8792
ea27 1342 1342/1342 1342 ± 0 5.587 5.196/6.397 5.744 ± 0.6658
ea28 1342 1342/1342 1342 ± 0 6.377 5.71/7.014 6.318 ± 0.7731
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 ± 0.00002393 5.394 5.213/5.598 5.419 ± 0.3076
3 1342 1342/1342 1342 ± 0.00002955 3.612 3.248/4.071 3.664 ± 0.4844
4 1342 1342/1342 1342 ± 0.00002979 4.605 4.42/4.762 4.582 ± 0.2908
5 1342 1342/1342 1342 ± 0.00002393 5.361 5.106/5.653 5.371 ± 0.3169
6 1342 1342/1342 1342 ± 0.00002393 5.199 4.994/5.466 5.209 ± 0.271
7 1342 1342/1342 1342 ± 0.00002393 5.364 5.148/5.545 5.35 ± 0.2557
8 1342 1342/1342 1342 ± 0.00002393 5.332 5.109/5.517 5.317 ± 0.3043
9 1342 1342/1342 1342 ± 0.00002393 5.612 5.464/5.84 5.617 ± 0.2914
10 1342 1342/1342 1342 ± 0.00002393 6.094 5.935/6.197 6.081 ± 0.2474
11 1342 1342/1342 1342 ± 0.00002393 6.34 6.093/6.443 6.305 ± 0.2735
12 1342 1342/1342 1342 ± 0.00002393 6.436 6.3/6.618 6.475 ± 0.3144
13 1342 1342/1342 1342 ± 0.00002393 6.925 6.747/7.116 6.946 ± 0.3446
14 1342 1342/1342 1342 ± 0.00002393 6.924 6.599/7.354 6.967 ± 0.4323
15 1342 1342/1342 1342 ± 0.00002393 6.753 6.41/7.048 6.718 ± 0.3352
16 1342 1342/1342 1342 ± 0.00003165 5.973 5.472/6.194 5.895 ± 0.4824
17 1342 1342/1342 1342 ± 0.00003162 5.895 5.484/6.059 5.837 ± 0.4189
vis
VLASS3.2.sb45489670.eb46132517.60459.18880607639_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
Start time
2025-07-31 04:23:11.273
End
2025-07-31 05:30:38.415
Duration
1:07:27.142
Note, WebLog generation is not included in the time.

CASA logs for stage 8