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

Statwt Summary Plot

VLASS2.2.sb40528187.eb40882891.59510.17895375_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 6.248 5.592/6.556 6.12 ± 0.6182
ea02 1342 1342/1342 1342 ± 0.00002955 6.08 5.361/6.588 5.951 ± 0.8642
ea03 1342 1342/1342 1342 ± 0 5.541 5.054/6.383 5.635 ± 0.8218
ea04 1342 1342/1342 1342 ± 0 5.763 5.188/6.464 5.843 ± 0.6545
ea06 1342 1342/1342 1342 ± 0 6.376 5.528/6.521 6.112 ± 0.6223
ea07 1342 1342/1342 1342 ± 0 6.022 5.445/6.416 6.026 ± 0.6671
ea08 1342 1342/1342 1342 ± 0 6.07 5.561/6.733 6.191 ± 0.741
ea09 1342 1342/1342 1342 ± 0 5.925 5.302/6.691 6.006 ± 0.7073
ea10 1342 1342/1342 1342 ± 0 5.962 5.368/6.654 5.941 ± 0.7602
ea11 1342 1342/1342 1342 ± 0 6.187 5.348/6.639 6.077 ± 0.7871
ea12 1342 1342/1342 1342 ± 0 5.942 5.415/6.557 6.069 ± 0.7363
ea13 1342 1342/1342 1342 ± 0 5.752 5.693/6.293 5.928 ± 0.5557
ea14 1342 1342/1342 1342 ± 0 6.29 5.556/6.704 6.236 ± 0.7162
ea15 1342 1342/1342 1342 ± 0 5.638 4.954/5.984 5.549 ± 0.7263
ea16 1342 1342/1342 1342 ± 0 6.064 5.536/6.688 6.158 ± 0.7564
ea17 1342 1342/1342 1342 ± 0 6.4 6.03/7.258 6.618 ± 0.7118
ea18 1342 1342/1342 1342 ± 0 4.432 4.145/4.849 4.523 ± 0.4433
ea19 1342 1342/1342 1342 ± 0 6.155 5.632/6.764 6.251 ± 0.7291
ea20 1342 1342/1342 1342 ± 0 5.942 5.51/6.601 5.999 ± 0.7767
ea21 1342 1342/1342 1342 ± 0 5.878 5.437/6.493 5.99 ± 0.6556
ea22 1342 1342/1342 1342 ± 0 6.267 5.403/6.679 6.088 ± 0.7431
ea23 1342 1342/1342 1342 ± 0 6.074 5.557/6.574 6.123 ± 0.7743
ea24 1342 1342/1342 1342 ± 0 5.824 5.045/6.284 5.665 ± 0.6
ea25 1342 1342/1342 1342 ± 0 6.488 5.603/6.984 6.39 ± 0.8263
ea26 1342 1342/1342 1342 ± 0 6.293 5.674/7.097 6.346 ± 0.7294
ea27 1342 1342/1342 1342 ± 0 5.825 5.383/6.742 5.985 ± 0.7824
ea28 1342 1342/1342 1342 ± 0 6.109 5.643/6.796 6.245 ± 0.7824
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 ± 0.00002305 5.51 5.301/5.746 5.455 ± 0.3345
3 1342 1342/1342 1342 ± 0.00002661 4.835 4.425/5.048 4.794 ± 0.5508
4 1342 1342/1342 1342 ± 0.00002413 5.266 4.965/5.429 5.217 ± 0.4247
5 1342 1342/1342 1342 ± 0.00002305 5.505 5.207/5.572 5.384 ± 0.3676
6 1342 1342/1342 1342 ± 0.00002305 5.402 5.229/5.586 5.352 ± 0.3147
7 1342 1342/1342 1342 ± 0.00002305 5.525 5.305/5.598 5.437 ± 0.3202
8 1342 1342/1342 1342 ± 0.00002305 5.421 5.218/5.667 5.402 ± 0.3577
9 1342 1342/1342 1342 ± 0.00002305 5.807 5.609/5.984 5.73 ± 0.3837
10 1342 1342/1342 1342 ± 0.00002305 6.289 6.102/6.407 6.184 ± 0.3976
11 1342 1342/1342 1342 ± 0.00002305 6.527 6.291/6.652 6.42 ± 0.4076
12 1342 1342/1342 1342 ± 0.00002305 6.672 6.449/6.705 6.562 ± 0.4356
13 1342 1342/1342 1342 ± 0.00002305 7.061 6.875/7.324 7.033 ± 0.4748
14 1342 1342/1342 1342 ± 0.00002305 7.299 7.163/7.547 7.242 ± 0.48
15 1342 1342/1342 1342 ± 0.00002305 6.956 6.791/7.154 6.919 ± 0.4474
16 1342 1342/1342 1342 ± 0.00002305 6.257 6.143/6.551 6.277 ± 0.4422
17 1342 1342/1342 1342 ± 0.00002305 6.321 6.059/6.477 6.234 ± 0.4189
vis
VLASS2.2.sb40528187.eb40882891.59510.17895375_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-05-23 16:04:57.873
End
2025-05-23 17:06:16.752
Duration
1:01:18.879
Note, WebLog generation is not included in the time.

CASA logs for stage 8