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

Statwt Summary Plot

VLASS2.2.sb40493634.eb40941789.59520.06707907407_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 5.888 5.648/6.646 6.18 ± 0.6211
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.839 5.298/6.624 5.974 ± 0.6775
ea06 1342 1342/1342 1342 ± 0 6.141 5.525/6.471 6.049 ± 0.5849
ea07 1342 1342/1342 1342 ± 0 6.166 5.545/6.443 6.118 ± 0.63
ea08 1342 1342/1342 1342 ± 0.00002803 5.991 5.756/6.726 6.267 ± 0.6415
ea09 1342 1342/1342 1342 ± 0.00001317 5.946 5.449/6.739 6.077 ± 0.6748
ea10 1342 1342/1342 1342 ± 0.00001189 6.057 5.551/6.834 6.204 ± 0.64
ea11 1342 1342/1342 1342 ± 0 6.033 5.443/6.665 6.12 ± 0.6995
ea12 1342 1342/1342 1342 ± 0 6.217 5.623/6.723 6.254 ± 0.6755
ea13 1342 1342/1342 1342 ± 0.00001932 5.908 5.826/6.469 6.168 ± 0.5076
ea14 1342 1342/1342 1342 ± 0 6.55 5.835/6.937 6.486 ± 0.7059
ea15 1342 1342/1342 1342 ± 0 5.759 5.159/6.103 5.677 ± 0.6546
ea16 1342 1342/1342 1342 ± 0 6.459 5.779/6.903 6.462 ± 0.7656
ea17 1342 1342/1342 1342 ± 0 6.611 5.962/7.367 6.658 ± 0.7119
ea18 1342 1342/1342 1342 ± 0 5.099 4.706/5.531 5.112 ± 0.541
ea19 1342 1342/1342 1342 ± 0 6.564 5.847/7.119 6.508 ± 0.7333
ea20 1342 1342/1342 1342 ± 0 6.061 5.8/6.944 6.326 ± 0.6188
ea21 1342 1342/1342 1342 ± 0 6.173 5.577/6.63 6.176 ± 0.6349
ea22 1342 1342/1342 1342 ± 0 6.257 5.658/6.722 6.184 ± 0.6538
ea23 1342 1342/1342 1342 ± 0 6.153 5.717/6.827 6.315 ± 0.7056
ea24 1342 1342/1342 1342 ± 0 5.556 5.011/6.229 5.583 ± 0.6381
ea26 1342 1342/1342 1342 ± 0.000001613 6.225 5.808/7.026 6.366 ± 0.6909
ea27 1342 1342/1342 1342 ± 0.00001549 6.081 5.632/7.062 6.266 ± 0.7473
ea28 1342 1342/1342 1342 ± 0.00001214 6.072 5.779/6.999 6.415 ± 0.7447
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 ± 0.00002441 5.561 5.479/5.756 5.559 ± 0.3105
4 1342 1342/1342 1342 ± 0.00003156 5.305 5.112/5.435 5.145 ± 0.4228
5 1342 1342/1342 1342 ± 0.00002441 5.644 5.339/5.79 5.537 ± 0.3395
6 1342 1342/1342 1342 ± 0.00002441 5.599 5.369/5.706 5.506 ± 0.2805
7 1342 1342/1342 1342 ± 0.00002441 5.605 5.478/5.8 5.574 ± 0.2857
8 1342 1342/1342 1342 ± 0.00002441 5.545 5.43/5.794 5.514 ± 0.3247
9 1342 1342/1342 1342 ± 0.00002441 5.908 5.716/6.041 5.812 ± 0.3294
10 1342 1342/1342 1342 ± 0.00002441 6.355 6.229/6.466 6.271 ± 0.3343
11 1342 1342/1342 1342 ± 0.00002441 6.573 6.424/6.752 6.511 ± 0.3453
12 1342 1342/1342 1342 ± 0.00002441 6.724 6.432/6.931 6.671 ± 0.3817
13 1342 1342/1342 1342 ± 0.00002441 7.141 6.951/7.446 7.137 ± 0.4135
14 1342 1342/1342 1342 ± 0.00002441 7.371 7.196/7.63 7.349 ± 0.4016
15 1342 1342/1342 1342 ± 0.00002441 7.014 6.822/7.358 6.987 ± 0.4098
16 1342 1342/1342 1342 ± 0.00002441 6.254 6.026/6.436 6.245 ± 0.3909
17 1342 1342/1342 1342 ± 0.00003953 6.095 5.925/6.394 6.163 ± 0.3883
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.2.sb40493634.eb40941789.59520.06707907407_split_split.ms
statwtmode
VLASS-SE
Start time
2025-04-19 12:29:26.010
End
2025-04-19 13:38:25.683
Duration
1:08:59.673
Note, WebLog generation is not included in the time.

CASA logs for stage 8