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

Statwt Summary Plot

VLASS3.2.sb45489670.eb46132517.60459.18880607639_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 5.768 5.688/6.642 5.985 ± 0.719
ea02 1342 1342/1342 1342 ± 0 6.098 5.603/6.522 6.107 ± 0.7577
ea03 1342 1342/1342 1342 ± 0 6.114 5.455/6.771 6.058 ± 0.7505
ea04 1342 1342/1342 1342 ± 0.00001885 5.367 5.051/6.031 5.462 ± 0.6101
ea05 1342 1342/1342 1342 ± 0.0000168 5.626 5.33/6.469 5.81 ± 0.7266
ea06 1342 1342/1342 1342 ± 0 5.706 5.145/6.122 5.706 ± 0.6677
ea07 1342 1342/1342 1342 ± 0 5.81 5.119/6.214 5.723 ± 0.803
ea08 1342 1342/1342 1342 ± 0 6.034 5.489/6.679 6.081 ± 0.7419
ea09 1342 1342/1342 1342 ± 0 5.626 5.187/6.347 5.682 ± 0.6513
ea10 1342 1342/1342 1342 ± 0 5.403 5.248/6.216 5.64 ± 0.6066
ea11 1342 1342/1342 1342 ± 0.00004248 5.584 5.07/6.451 5.648 ± 0.8241
ea12 1342 1342/1342 1342 ± 0.00003728 5.477 5.321/6.331 5.672 ± 0.6719
ea14 1342 1342/1342 1342 ± 0.000003526 5.788 5.56/6.596 5.991 ± 0.6418
ea15 1342 1342/1342 1342 ± 0.00003073 5.819 5.651/6.774 6.059 ± 0.8187
ea16 1342 1342/1342 1342 ± 0 6.043 5.73/6.76 6.198 ± 0.7178
ea17 1342 1342/1342 1342 ± 0 6.119 5.696/7.11 6.253 ± 0.7163
ea18 1342 1342/1342 1342 ± 0 6.491 5.878/7.099 6.406 ± 0.7697
ea19 1342 1342/1342 1342 ± 0.00002648 5.669 5.44/6.712 5.918 ± 0.74
ea20 1342 1342/1342 1342 ± 0 6.276 5.958/7.07 6.407 ± 0.7645
ea22 1342 1342/1342 1342 ± 0 5.665 5.3/6.336 5.703 ± 0.6258
ea23 1342 1342/1342 1342 ± 0 5.723 5.496/6.434 5.956 ± 0.7076
ea24 1342 1342/1342 1342 ± 0 6.248 5.319/6.601 5.95 ± 0.7715
ea25 1342 1342/1342 1342 ± 0 6.538 5.653/6.97 6.365 ± 0.8997
ea27 1342 1342/1342 1342 ± 0 5.669 5.479/6.566 5.867 ± 0.7004
ea28 1342 1342/1342 1342 ± 0 6.327 5.827/7.162 6.359 ± 0.7879
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 5.49 5.314/5.707 5.533 ± 0.2759
3 1342 1342/1342 1342 ± 0.00002683 4.148 3.872/4.64 4.236 ± 0.4553
4 1342 1342/1342 1342 ± 0.00003168 4.772 4.544/4.9 4.739 ± 0.295
5 1342 1342/1342 1342 ± 0.00002394 5.47 5.264/5.769 5.491 ± 0.3002
6 1342 1342/1342 1342 ± 0.00002394 5.467 5.232/5.656 5.435 ± 0.2529
7 1342 1342/1342 1342 ± 0.00002394 5.489 5.319/5.658 5.486 ± 0.2543
8 1342 1342/1342 1342 ± 0.00002394 5.469 5.24/5.651 5.456 ± 0.2988
9 1342 1342/1342 1342 ± 0.00002394 5.756 5.575/5.954 5.758 ± 0.2907
10 1342 1342/1342 1342 ± 0.00002394 6.263 6.058/6.343 6.228 ± 0.2663
11 1342 1342/1342 1342 ± 0.00002394 6.497 6.178/6.607 6.463 ± 0.2834
12 1342 1342/1342 1342 ± 0.00002394 6.632 6.419/6.769 6.627 ± 0.3251
13 1342 1342/1342 1342 ± 0.00002394 7.087 6.875/7.342 7.091 ± 0.3503
14 1342 1342/1342 1342 ± 0.00002394 7.015 6.689/7.379 7.041 ± 0.4441
15 1342 1342/1342 1342 ± 0.00002394 6.864 6.586/7.13 6.848 ± 0.3255
16 1342 1342/1342 1342 ± 0.00004175 5.775 5.551/6.177 5.87 ± 0.4455
17 1342 1342/1342 1342 ± 0.00004514 5.769 5.587/6.164 5.856 ± 0.3742
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45489670.eb46132517.60459.18880607639_split_split.ms
Start time
2025-07-31 01:16:58.436
End
2025-07-31 02:03:28.234
Duration
0:46:29.798
Note, WebLog generation is not included in the time.

CASA logs for stage 8