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

Statwt Summary Plot

VLASS2.2.sb40869292.eb40982614.59542.13818863426_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 6.096 5.814/6.707 6.176 ± 0.782
ea03 1342 1342/1342 1342 ± 0.00001727 5.706 5.238/6.362 5.762 ± 0.7081
ea04 1342 1342/1342 1342 ± 0 5.606 5.261/6.059 5.699 ± 0.5521
ea05 1342 1342/1342 1342 ± 0 5.936 5.615/6.556 6.087 ± 0.6505
ea06 1342 1342/1342 1342 ± 0 6.012 5.607/6.38 6.058 ± 0.5326
ea07 1342 1342/1342 1342 ± 0 5.962 5.438/6.09 5.927 ± 0.514
ea08 1342 1342/1342 1342 ± 0.00001528 6.182 5.666/6.504 6.158 ± 0.659
ea09 1342 1342/1342 1342 ± 0.000006296 5.992 5.49/6.664 6.082 ± 0.7223
ea10 1342 1342/1342 1342 ± 0 5.931 5.569/6.59 6.047 ± 0.5926
ea11 1342 1342/1342 1342 ± 0.000001066 6.131 5.448/6.583 6.1 ± 0.6993
ea12 1342 1342/1342 1342 ± 0 6.034 5.696/6.639 6.195 ± 0.7634
ea13 1342 1342/1342 1342 ± 0 6.019 5.905/6.366 6.136 ± 0.4867
ea14 1342 1342/1342 1342 ± 0 5.971 5.618/6.532 6.105 ± 0.6568
ea15 1342 1342/1342 1342 ± 0 5.503 5.12/5.892 5.563 ± 0.5899
ea16 1342 1342/1342 1342 ± 0 6.189 5.843/6.647 6.275 ± 0.6582
ea17 1342 1342/1342 1342 ± 0 6.54 6.212/7.323 6.752 ± 0.6443
ea18 1342 1342/1342 1342 ± 0 5.12 4.887/5.599 5.263 ± 0.4861
ea19 1342 1342/1342 1342 ± 0 6.29 5.918/6.888 6.446 ± 0.6546
ea20 1342 1342/1342 1342 ± 0 5.83 5.572/6.396 5.983 ± 0.6304
ea21 1342 1342/1342 1342 ± 0 5.675 5.499/6.248 5.876 ± 0.5218
ea22 1342 1342/1342 1342 ± 0.00000908 5.883 5.496/6.434 5.983 ± 0.6298
ea23 1342 1342/1342 1342 ± 0 6.232 5.841/6.563 6.291 ± 0.6784
ea24 1342 1342/1342 1342 ± 0.00002397 5.996 5.281/6.427 5.742 ± 0.8136
ea25 1342 1342/1342 1342 ± 0 6.273 5.741/6.737 6.314 ± 0.782
ea26 1342 1342/1342 1342 ± 0 6.341 5.891/6.986 6.487 ± 0.6416
ea27 1342 1342/1342 1342 ± 0 5.808 5.517/6.607 6.012 ± 0.6578
ea28 1342 1342/1342 1342 ± 0 6.023 5.683/6.647 6.187 ± 0.6453
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 ± 0.00002306 5.73 5.458/5.932 5.696 ± 0.2887
3 1342 1342/1342 1342 ± 0.00003509 5.013 4.783/5.21 4.955 ± 0.5229
4 1342 1342/1342 1342 ± 0.00002306 5.501 5.266/5.786 5.508 ± 0.3921
5 1342 1342/1342 1342 ± 0.00002306 5.682 5.391/5.86 5.642 ± 0.3341
6 1342 1342/1342 1342 ± 0.00002306 5.592 5.382/5.777 5.561 ± 0.2626
7 1342 1342/1342 1342 ± 0.00002306 5.595 5.387/5.776 5.583 ± 0.2742
8 1342 1342/1342 1342 ± 0.00002306 5.479 5.271/5.682 5.496 ± 0.31
9 1342 1342/1342 1342 ± 0.00002306 5.802 5.566/5.99 5.765 ± 0.3064
10 1342 1342/1342 1342 ± 0.00002306 6.233 6.048/6.388 6.157 ± 0.3089
11 1342 1342/1342 1342 ± 0.00002306 6.405 6.275/6.569 6.372 ± 0.3025
12 1342 1342/1342 1342 ± 0.00002306 6.558 6.347/6.671 6.517 ± 0.36
13 1342 1342/1342 1342 ± 0.00002306 7.006 6.756/7.301 7.01 ± 0.3865
14 1342 1342/1342 1342 ± 0.00002306 7.26 7.065/7.553 7.24 ± 0.3914
15 1342 1342/1342 1342 ± 0.00002306 6.893 6.697/7.228 6.927 ± 0.3675
16 1342 1342/1342 1342 ± 0.00002306 6.267 5.929/6.567 6.281 ± 0.3859
17 1342 1342/1342 1342 ± 0.00002306 6.132 5.975/6.473 6.222 ± 0.3734
output_dir
 
vis
VLASS2.2.sb40869292.eb40982614.59542.13818863426_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-04-23 15:07:43.471
End
2025-04-23 16:28:20.952
Duration
1:20:37.480
Note, WebLog generation is not included in the time.

CASA logs for stage 8