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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.519 5.247/6.269 5.483 ± 0.9952
ea02 1342 1342/1342 1342 ± 0.00004059 5.514 5.31/6.472 5.57 ± 0.9783
ea03 1342 1342/1342 1342 ± 0.000003382 5.388 5.322/6.305 5.617 ± 0.7529
ea04 1342 1342/1342 1342 ± 0.00004516 5.143 4.705/6.056 5.212 ± 0.7828
ea05 1342 1342/1342 1342 ± 0.00005016 5.363 5.077/6.429 5.419 ± 0.9815
ea06 1342 1342/1342 1342 ± 0.00002297 5.079 4.85/6.04 5.209 ± 0.8265
ea07 1342 1342/1342 1342 ± 0.00004175 5.226 5.022/6.318 5.386 ± 0.975
ea08 1342 1342/1342 1342 ± 0.00002513 5.731 5.225/6.799 5.753 ± 1.079
ea09 1342 1342/1342 1342 ± 0.00004565 5.14 4.808/5.894 5.182 ± 0.8496
ea10 1342 1342/1342 1342 ± 0.00004501 5.044 4.682/5.972 5.029 ± 0.8845
ea11 1342 1342/1342 1342 ± 0.00005224 5.248 4.547/6.083 5.087 ± 0.9929
ea13 1342 1342/1342 1342 ± 0.00001004 5.296 5.026/6.051 5.385 ± 0.6219
ea14 1342 1342/1342 1342 ± 0.00004786 5.537 5.203/6.507 5.55 ± 1.007
ea15 1342 1342/1342 1342 ± 0.00004996 5.545 5.147/6.632 5.57 ± 1.025
ea16 1342 1342/1342 1342 ± 0.00002154 5.74 5.322/6.588 5.721 ± 0.9646
ea17 1342 1342/1342 1342 ± 0.00004226 5.736 5.294/6.671 5.714 ± 1.105
ea18 1342 1342/1342 1342 ± 0.00001783 5.781 5.463/6.837 5.824 ± 1.07
ea19 1342 1342/1342 1342 ± 0.00003811 5.387 4.98/6.421 5.428 ± 0.9697
ea20 1342 1342/1342 1342 ± 0.00002706 5.256 5.125/6.08 5.415 ± 0.7077
ea21 1342 1342/1342 1342 ± 0.000005476 5.101 4.883/5.683 5.141 ± 0.6185
ea22 1342 1342/1342 1342 ± 0.00003491 5.638 5.17/6.558 5.61 ± 1.012
ea23 1342 1342/1342 1342 ± 0.00004591 5.624 5.157/6.428 5.533 ± 1.001
ea24 1342 1342/1342 1342 ± 0.000003039 4.961 4.849/6.202 5.343 ± 0.7062
ea25 1342 1342/1342 1342 ± 0.00001148 5.732 5.389/6.714 5.958 ± 0.8618
ea27 1342 1342/1342 1342 ± 0.00001604 5.243 4.786/6.254 5.35 ± 0.9326
ea28 1342 1342/1342 1342 ± 0.000001196 5.593 5.499/6.473 5.804 ± 0.7604
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 ± 0.00002353 5.242 4.998/5.37 5.193 ± 0.2661
5 1342 1342/1342 1342 ± 0.00003151 5.203 4.954/5.411 5.208 ± 0.3502
6 1342 1342/1342 1342 ± 0.00002353 5.25 5.054/5.497 5.246 ± 0.272
7 1342 1342/1342 1342 ± 0.00002353 5.307 5.137/5.511 5.283 ± 0.2589
8 1342 1342/1342 1342 ± 0.00002353 5.276 5.112/5.532 5.297 ± 0.285
9 1342 1342/1342 1342 ± 0.00002353 5.462 5.271/5.766 5.5 ± 0.313
10 1342 1342/1342 1342 ± 0.00002394 6.085 6.001/6.306 6.112 ± 0.28
11 1342 1342/1342 1342 ± 0.00002349 6.43 6.115/6.588 6.388 ± 0.2691
12 1342 1342/1342 1342 ± 0.00002349 6.583 6.366/6.794 6.552 ± 0.3166
13 1342 1342/1342 1342 ± 0.00002358 6.591 6.285/6.871 6.599 ± 0.3906
14 1342 1342/1342 1342 ± 0.00005215 4.851 4.462/5.368 4.999 ± 0.6822
15 1342 1342/1342 1342 ± 0.00002349 6.625 6.11/6.931 6.523 ± 0.5107
16 1342 1342/1342 1342 ± 0.00006066 3.786 3.662/4.135 3.921 ± 0.3982
17 1342 1342/1342 1342 ± 0.00006072 3.702 3.52/4.062 3.797 ± 0.3724
statwtmode
VLASS-SE
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
Start time
2025-07-19 12:07:31.828
End
2025-07-19 13:09:11.156
Duration
1:01:39.328
Note, WebLog generation is not included in the time.

CASA logs for stage 8