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

Statwt Summary Plot

VLASS3.2.sb45657603.eb46099145.60450.330123067135_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 6.015 5.672/6.71 6.116 ± 0.7848
ea02 1342 1342/1342 1342 ± 0 6.297 5.59/6.571 6.131 ± 0.7669
ea03 1342 1342/1342 1342 ± 0 6.174 5.451/6.739 6.166 ± 0.7054
ea04 1342 1342/1342 1342 ± 0 5.658 5.16/6.126 5.668 ± 0.6875
ea05 1342 1342/1342 1342 ± 0 5.933 5.409/6.499 5.923 ± 0.7722
ea06 1342 1342/1342 1342 ± 0 5.987 5.183/6.191 5.781 ± 0.7229
ea07 1342 1342/1342 1342 ± 0 5.971 5.383/6.55 6.001 ± 0.762
ea08 1342 1342/1342 1342 ± 0 6.5 5.735/6.868 6.418 ± 0.7019
ea09 1342 1342/1342 1342 ± 0 5.711 5.22/6.426 5.755 ± 0.826
ea10 1342 1342/1342 1342 ± 0 5.743 5.225/6.164 5.648 ± 0.7977
ea11 1342 1342/1342 1342 ± 0 5.732 5.288/6.431 5.744 ± 0.8003
ea12 1342 1342/1342 1342 ± 0 5.53 5.276/6.176 5.692 ± 0.7145
ea13 1342 1342/1342 1342 ± 0 6.222 5.57/6.351 6.031 ± 0.6372
ea14 1342 1342/1342 1342 ± 0 6.033 5.619/6.591 6.081 ± 0.7348
ea15 1342 1342/1342 1342 ± 0 6.724 6.674/7.3 6.921 ± 0.4125
ea17 1342 1342/1342 1342 ± 0 6.241 5.824/6.915 6.283 ± 0.8406
ea18 1342 1342/1342 1342 ± 0 6.33 5.883/6.924 6.421 ± 0.686
ea19 1342 1342/1342 1342 ± 0 5.971 5.539/6.56 5.996 ± 0.7412
ea20 1342 1342/1342 1342 ± 0 6.445 5.951/7.025 6.489 ± 0.7391
ea21 1342 1342/1342 1342 ± 0 5.504 5.194/5.996 5.601 ± 0.5383
ea22 1342 1342/1342 1342 ± 0 6.266 5.726/6.833 6.286 ± 0.7105
ea23 1342 1342/1342 1342 ± 0 6.039 5.495/6.329 5.951 ± 0.8247
ea24 1342 1342/1342 1342 ± 0 6.161 5.4/6.552 5.958 ± 0.6216
ea25 1342 1342/1342 1342 ± 0 6.398 5.78/7.033 6.454 ± 0.8606
ea27 1342 1342/1342 1342 ± 0 5.675 5.305/6.382 5.723 ± 0.7475
ea28 1342 1342/1342 1342 ± 0 6.296 5.803/7.086 6.423 ± 0.7508
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 ± 0.00002394 5.536 5.415/5.734 5.571 ± 0.242
3 1342 1342/1342 1342 ± 0.00002607 4.266 3.956/4.884 4.381 ± 0.6243
4 1342 1342/1342 1342 ± 0.00002394 5.341 5.167/5.648 5.438 ± 0.3165
5 1342 1342/1342 1342 ± 0.00002394 5.379 5.167/5.685 5.409 ± 0.3007
6 1342 1342/1342 1342 ± 0.00002394 5.448 5.224/5.705 5.438 ± 0.2907
7 1342 1342/1342 1342 ± 0.00002394 5.541 5.4/5.77 5.554 ± 0.246
8 1342 1342/1342 1342 ± 0.00002394 5.51 5.229/5.694 5.477 ± 0.2881
9 1342 1342/1342 1342 ± 0.00002394 5.756 5.593/5.972 5.781 ± 0.2822
10 1342 1342/1342 1342 ± 0.00002349 6.276 6.135/6.362 6.256 ± 0.2658
11 1342 1342/1342 1342 ± 0.00002349 6.452 6.244/6.633 6.461 ± 0.2702
12 1342 1342/1342 1342 ± 0.00002349 6.568 6.342/6.809 6.592 ± 0.3193
13 1342 1342/1342 1342 ± 0.00002349 7.085 6.723/7.3 7.042 ± 0.3332
14 1342 1342/1342 1342 ± 0.00002349 7.311 6.96/7.572 7.238 ± 0.3453
15 1342 1342/1342 1342 ± 0.00002349 6.921 6.639/7.271 6.943 ± 0.3714
16 1342 1342/1342 1342 ± 0.00002349 6.367 6.094/6.816 6.394 ± 0.4118
17 1342 1342/1342 1342 ± 0.00002349 6.326 6.03/6.698 6.323 ± 0.4001
statwtmode
VLASS-SE
output_dir
 
vis
VLASS3.2.sb45657603.eb46099145.60450.330123067135_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-30 14:05:35.990
End
2025-07-30 15:20:22.719
Duration
1:14:46.729
Note, WebLog generation is not included in the time.

CASA logs for stage 8