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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 5.491 5.377/6.251 5.666 ± 0.806
ea02 1342 1342/1342 1342 ± 0.00003264 5.452 5.262/6.3 5.604 ± 0.6979
ea03 1342 1342/1342 1342 ± 0 5.23 5.026/6.096 5.507 ± 0.6188
ea04 1342 1342/1342 1342 ± 0.0000394 5.081 4.784/5.888 5.205 ± 0.6474
ea05 1342 1342/1342 1342 ± 0.00004222 5.264 5.048/6.215 5.442 ± 0.7758
ea06 1342 1342/1342 1342 ± 0.000003862 5.334 4.78/5.814 5.255 ± 0.5926
ea07 1342 1342/1342 1342 ± 0.00003234 5.302 4.919/6.165 5.443 ± 0.7226
ea08 1342 1342/1342 1342 ± 0.00001185 5.535 5.263/6.628 5.745 ± 0.8315
ea09 1342 1342/1342 1342 ± 0.00003071 5.171 4.852/5.542 5.278 ± 0.6323
ea10 1342 1342/1342 1342 ± 0.00003996 4.48 4.133/4.946 4.452 ± 0.4906
ea11 1342 1342/1342 1342 ± 0.00004528 5.542 4.954/6.424 5.566 ± 0.8921
ea12 1342 1342/1342 1342 ± 0.00003112 5.049 4.749/5.744 5.122 ± 0.6518
ea14 1342 1342/1342 1342 ± 0.00004107 5.4 5.191/6.354 5.57 ± 0.7465
ea15 1342 1342/1342 1342 ± 0.00004391 5.41 5.35/6.332 5.614 ± 0.8576
ea16 1342 1342/1342 1342 ± 0.000003412 5.595 5.137/6.224 5.648 ± 0.7244
ea17 1342 1342/1342 1342 ± 0.00003574 5.659 5.182/6.519 5.809 ± 0.8283
ea18 1342 1342/1342 1342 ± 0.000009743 5.654 5.353/6.567 5.731 ± 0.8294
ea19 1342 1342/1342 1342 ± 0.00001152 5.321 5.132/6.184 5.445 ± 0.7396
ea20 1342 1342/1342 1342 ± 0.000004402 5.862 5.527/6.768 6.116 ± 0.732
ea21 1342 1342/1342 1342 ± 0 4.796 4.579/5.427 4.972 ± 0.5315
ea22 1342 1342/1342 1342 ± 0.00001808 5.45 5.031/6.278 5.519 ± 0.7311
ea23 1342 1342/1342 1342 ± 0.00003891 5.58 5.077/6.365 5.658 ± 0.7963
ea24 1342 1342/1342 1342 ± 0 5.299 4.977/6.151 5.526 ± 0.6621
ea25 1342 1342/1342 1342 ± 0 5.62 5.17/6.332 5.816 ± 0.7489
ea27 1342 1342/1342 1342 ± 0 5.119 4.934/6.12 5.312 ± 0.7708
ea28 1342 1342/1342 1342 ± 0 5.8 5.611/6.634 6.057 ± 0.6819
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 ± 0.00002349 5.165 4.936/5.313 5.12 ± 0.2995
5 1342 1342/1342 1342 ± 0.00002841 4.975 4.76/5.269 5 ± 0.3505
6 1342 1342/1342 1342 ± 0.00002349 5.079 4.94/5.435 5.127 ± 0.315
7 1342 1342/1342 1342 ± 0.00002349 5.186 5/5.377 5.187 ± 0.3049
8 1342 1342/1342 1342 ± 0.00002349 5.147 4.95/5.387 5.174 ± 0.3599
9 1342 1342/1342 1342 ± 0.00002349 5.467 5.232/5.8 5.475 ± 0.3551
10 1342 1342/1342 1342 ± 0.00002349 5.943 5.758/6.135 5.919 ± 0.3718
11 1342 1342/1342 1342 ± 0.00002349 6.228 6.127/6.502 6.2 ± 0.3754
12 1342 1342/1342 1342 ± 0.00002349 6.438 6.208/6.532 6.358 ± 0.4192
13 1342 1342/1342 1342 ± 0.0000239 6.697 6.439/6.961 6.689 ± 0.4082
14 1342 1342/1342 1342 ± 0.00002669 5.452 5.205/5.877 5.663 ± 0.6785
15 1342 1342/1342 1342 ± 0.00002349 6.237 5.891/6.545 6.164 ± 0.5304
16 1342 1342/1342 1342 ± 0.00005943 4.378 4.168/4.604 4.467 ± 0.463
17 1342 1342/1342 1342 ± 0.00005905 4.288 4.103/4.511 4.346 ± 0.3701
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2025-07-23 12:20:34.591
End
2025-07-23 13:18:50.620
Duration
0:58:16.029
Note, WebLog generation is not included in the time.

CASA logs for stage 8