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

Statwt Summary Plot

VLASS3.2.sb45520569.eb45733624.60429.987892812496_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 5.781 5.415/6.393 5.905 ± 0.6404
ea02 1342 1342/1342 1342 ± 0 6.206 5.535/6.428 6.089 ± 0.6598
ea03 1342 1342/1342 1342 ± 0 6.069 5.404/6.693 6.065 ± 0.7371
ea04 1342 1342/1342 1342 ± 0.000001237 5.655 5.068/6.102 5.652 ± 0.5989
ea05 1342 1342/1342 1342 ± 0 5.794 5.237/6.436 5.879 ± 0.6891
ea06 1342 1342/1342 1342 ± 0 5.902 5.053/6.096 5.693 ± 0.6759
ea07 1342 1342/1342 1342 ± 0 5.839 5.148/6.259 5.854 ± 0.7032
ea08 1342 1342/1342 1342 ± 0 6.383 5.548/6.732 6.266 ± 0.6749
ea09 1342 1342/1342 1342 ± 0 5.711 5.107/6.429 5.818 ± 0.7346
ea10 1342 1342/1342 1342 ± 0 5.538 5.151/6.152 5.61 ± 0.5888
ea11 1342 1342/1342 1342 ± 0.000004339 5.416 5.123/6.22 5.63 ± 0.6622
ea12 1342 1342/1342 1342 ± 0 5.511 5.375/6.359 5.724 ± 0.6528
ea13 1342 1342/1342 1342 ± 0 5.885 5.454/6.285 5.874 ± 0.7079
ea14 1342 1342/1342 1342 ± 0.000001253 5.93 5.578/6.594 6.069 ± 0.6301
ea15 1342 1342/1342 1342 ± 0.000004717 4.847 4.42/5.193 4.863 ± 0.4542
ea16 1342 1342/1342 1342 ± 0 6.072 5.633/6.545 6.159 ± 0.7217
ea17 1342 1342/1342 1342 ± 0 6.07 5.753/6.705 6.268 ± 0.6916
ea18 1342 1342/1342 1342 ± 0 6.277 5.751/6.886 6.333 ± 0.733
ea19 1342 1342/1342 1342 ± 0 5.819 5.437/6.506 5.961 ± 0.693
ea20 1342 1342/1342 1342 ± 0 6.138 5.391/6.529 5.989 ± 0.6227
ea21 1342 1342/1342 1342 ± 0 5.506 5.124/5.987 5.582 ± 0.5409
ea22 1342 1342/1342 1342 ± 0 6.425 5.711/6.946 6.313 ± 0.7288
ea23 1342 1342/1342 1342 ± 0 5.954 5.49/6.455 6.051 ± 0.6922
ea24 1342 1342/1342 1342 ± 0 6.092 5.275/6.479 5.862 ± 0.6453
ea25 1342 1342/1342 1342 ± 0 6.497 5.649/6.898 6.423 ± 0.825
ea27 1342 1342/1342 1342 ± 0 5.707 5.313/6.498 5.865 ± 0.6492
ea28 1342 1342/1342 1342 ± 0 6.329 5.682/6.932 6.354 ± 0.6888
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 ± 0.00002308 5.463 5.26/5.643 5.454 ± 0.2779
3 1342 1342/1342 1342 ± 0.00002397 5.007 4.833/5.186 5.007 ± 0.2986
4 1342 1342/1342 1342 ± 0.00003091 5.152 4.896/5.314 5.152 ± 0.3589
5 1342 1342/1342 1342 ± 0.0000231 5.272 5.083/5.535 5.294 ± 0.3461
6 1342 1342/1342 1342 ± 0.00002308 5.297 5.108/5.576 5.296 ± 0.3287
7 1342 1342/1342 1342 ± 0.00002308 5.444 5.233/5.543 5.389 ± 0.2819
8 1342 1342/1342 1342 ± 0.00002308 5.388 5.15/5.531 5.333 ± 0.3036
9 1342 1342/1342 1342 ± 0.00002308 5.67 5.502/5.914 5.652 ± 0.3285
10 1342 1342/1342 1342 ± 0.00002308 6.139 6.017/6.306 6.113 ± 0.317
11 1342 1342/1342 1342 ± 0.00002308 6.367 6.124/6.516 6.318 ± 0.3239
12 1342 1342/1342 1342 ± 0.00002308 6.484 6.265/6.694 6.478 ± 0.3836
13 1342 1342/1342 1342 ± 0.00002308 6.935 6.672/7.197 6.921 ± 0.3982
14 1342 1342/1342 1342 ± 0.00002308 7.154 6.941/7.421 7.118 ± 0.4204
15 1342 1342/1342 1342 ± 0.00002308 6.816 6.594/7.13 6.788 ± 0.4276
16 1342 1342/1342 1342 ± 0.00002308 6.185 5.809/6.419 6.128 ± 0.4344
17 1342 1342/1342 1342 ± 0.0000231 6.193 5.913/6.354 6.087 ± 0.4142
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
vis
VLASS3.2.sb45520569.eb45733624.60429.987892812496_split_split.ms
Start time
2025-07-18 03:29:33.954
End
2025-07-18 04:24:58.040
Duration
0:55:24.085
Note, WebLog generation is not included in the time.

CASA logs for stage 8