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

Statwt Summary Plot

VLASS2.2.sb40879186.eb40941791.59520.340825879626_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 6.285 5.825/6.689 6.339 ± 0.6508
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0.00003087 5.788 5.429/6.214 5.922 ± 0.5682
ea06 1342 1342/1342 1342 ± 0 5.905 5.642/6.418 6.034 ± 0.5503
ea07 1342 1342/1342 1342 ± 0 6.081 5.688/6.194 6.111 ± 0.5433
ea08 1342 1342/1342 1342 ± 0.00002175 6.282 5.874/6.797 6.361 ± 0.6052
ea09 1342 1342/1342 1342 ± 0 6.098 5.582/6.724 6.185 ± 0.625
ea10 1342 1342/1342 1342 ± 0 6.035 5.666/6.869 6.216 ± 0.6481
ea11 1342 1342/1342 1342 ± 0 5.971 5.725/6.531 6.141 ± 0.6037
ea12 1342 1342/1342 1342 ± 0 6.239 5.787/6.67 6.284 ± 0.6215
ea13 1342 1342/1342 1342 ± 0.000007254 5.798 5.678/6.219 5.91 ± 0.5223
ea14 1342 1342/1342 1342 ± 0 6.278 5.962/6.936 6.48 ± 0.6468
ea15 1342 1342/1342 1342 ± 0 5.665 5.355/6.055 5.744 ± 0.5371
ea16 1342 1342/1342 1342 ± 0 6.332 5.911/6.861 6.462 ± 0.6729
ea17 1342 1342/1342 1342 ± 0 6.429 6.116/7.319 6.674 ± 0.6367
ea18 1342 1342/1342 1342 ± 0 5.076 4.735/5.527 5.164 ± 0.5142
ea19 1342 1342/1342 1342 ± 0 6.399 6.192/7.225 6.624 ± 0.6891
ea20 1342 1342/1342 1342 ± 0 6.009 5.825/6.881 6.267 ± 0.611
ea21 1342 1342/1342 1342 ± 0 5.944 5.744/6.583 6.206 ± 0.5638
ea22 1342 1342/1342 1342 ± 0 6.219 5.577/6.491 6.089 ± 0.6353
ea23 1342 1342/1342 1342 ± 0 6.204 5.96/6.868 6.471 ± 0.6475
ea24 1342 1342/1342 1342 ± 0 6.018 5.26/6.457 5.887 ± 0.5769
ea26 1342 1342/1342 1342 ± 0 6.316 5.904/7.083 6.47 ± 0.6999
ea27 1342 1342/1342 1342 ± 0 6.094 5.828/7.066 6.379 ± 0.6852
ea28 1342 1342/1342 1342 ± 0 5.981 5.869/6.911 6.344 ± 0.7296
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 ± 0.00002442 5.856 5.633/6.022 5.796 ± 0.3426
4 1342 1342/1342 1342 ± 0.00003192 5.289 5.12/5.461 5.272 ± 0.3792
5 1342 1342/1342 1342 ± 0.00002442 5.834 5.574/6.009 5.743 ± 0.3853
6 1342 1342/1342 1342 ± 0.00002442 5.719 5.453/5.87 5.652 ± 0.2934
7 1342 1342/1342 1342 ± 0.00002442 5.739 5.403/5.927 5.682 ± 0.3244
8 1342 1342/1342 1342 ± 0.00002442 5.618 5.308/5.823 5.584 ± 0.3494
9 1342 1342/1342 1342 ± 0.00002442 5.953 5.619/6.112 5.852 ± 0.3488
10 1342 1342/1342 1342 ± 0.00002442 6.334 6.129/6.551 6.271 ± 0.3519
11 1342 1342/1342 1342 ± 0.00002442 6.516 6.325/6.79 6.499 ± 0.3723
12 1342 1342/1342 1342 ± 0.00002442 6.684 6.449/6.902 6.639 ± 0.4063
13 1342 1342/1342 1342 ± 0.00002442 7.124 6.838/7.462 7.108 ± 0.4325
14 1342 1342/1342 1342 ± 0.00002442 7.314 7.158/7.674 7.334 ± 0.4202
15 1342 1342/1342 1342 ± 0.00002442 7.032 6.657/7.329 7.003 ± 0.4177
16 1342 1342/1342 1342 ± 0.00002443 6.154 5.898/6.398 6.137 ± 0.3955
17 1342 1342/1342 1342 ± 0.0000301 6.13 5.817/6.243 6.034 ± 0.3829
vis
VLASS2.2.sb40879186.eb40941791.59520.340825879626_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
Start time
2025-04-18 10:23:08.226
End
2025-04-18 11:09:38.151
Duration
0:46:29.925
Note, WebLog generation is not included in the time.

CASA logs for stage 8