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

Statwt Summary Plot

VLASS3.2.sb45665927.eb46086746.60447.529309328704_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 5.627/6.71 6.281 ± 0.6608
ea02 1342 1342/1342 1342 ± 0 6.38 5.614/6.546 6.284 ± 0.6352
ea03 1342 1342/1342 1342 ± 0 6.363 5.65/7.05 6.409 ± 0.7559
ea04 1342 1342/1342 1342 ± 0 5.728 5.16/6.17 5.747 ± 0.6074
ea05 1342 1342/1342 1342 ± 0 6.233 5.391/6.81 6.134 ± 0.7008
ea06 1342 1342/1342 1342 ± 0 6.354 5.375/6.519 6.07 ± 0.6888
ea07 1342 1342/1342 1342 ± 0 6.283 5.411/6.585 6.138 ± 0.7779
ea08 1342 1342/1342 1342 ± 0 6.752 5.819/6.937 6.529 ± 0.6841
ea09 1342 1342/1342 1342 ± 0 5.728 5.188/6.507 5.867 ± 0.7018
ea10 1342 1342/1342 1342 ± 0 5.976 5.293/6.373 5.89 ± 0.6352
ea11 1342 1342/1342 1342 ± 0 5.839 5.467/6.609 5.988 ± 0.7189
ea12 1342 1342/1342 1342 ± 0 5.811 5.286/6.425 5.881 ± 0.6323
ea13 1342 1342/1342 1342 ± 0 6.196 5.574/6.349 6.049 ± 0.5551
ea14 1342 1342/1342 1342 ± 0 6.301 5.63/6.639 6.237 ± 0.613
ea15 1342 1342/1342 1342 ± 0 6.27 5.616/6.666 6.25 ± 0.7411
ea16 1342 1342/1342 1342 ± 0 6.451 5.923/6.948 6.51 ± 0.7163
ea17 1342 1342/1342 1342 ± 0 6.394 5.872/7.242 6.505 ± 0.7694
ea18 1342 1342/1342 1342 ± 0 6.534 5.922/7.232 6.542 ± 0.7116
ea19 1342 1342/1342 1342 ± 0 6.29 5.577/6.758 6.235 ± 0.6597
ea20 1342 1342/1342 1342 ± 0 6.703 5.99/7.227 6.587 ± 0.7277
ea21 1342 1342/1342 1342 ± 0 5.607 5.213/6.103 5.711 ± 0.5376
ea22 1342 1342/1342 1342 ± 0 6.338 5.637/6.704 6.193 ± 0.6591
ea23 1342 1342/1342 1342 ± 0 6.195 5.477/6.406 6.098 ± 0.7063
ea24 1342 1342/1342 1342 ± 0 6.343 5.393/6.767 6.074 ± 0.7333
ea25 1342 1342/1342 1342 ± 0 6.809 5.969/7.311 6.765 ± 0.8253
ea27 1342 1342/1342 1342 ± 0 6.199 5.372/6.691 6.113 ± 0.6982
ea28 1342 1342/1342 1342 ± 0 6.549 5.872/7.101 6.486 ± 0.6994
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 ± 0.00002308 5.529 5.33/5.697 5.533 ± 0.2399
4 1342 1342/1342 1342 ± 0.00002312 5.439 5.204/5.612 5.444 ± 0.3103
5 1342 1342/1342 1342 ± 0.00002308 5.575 5.341/5.845 5.585 ± 0.3061
6 1342 1342/1342 1342 ± 0.00002308 5.409 5.04/5.535 5.362 ± 0.293
7 1342 1342/1342 1342 ± 0.00002308 5.575 5.386/5.817 5.585 ± 0.249
8 1342 1342/1342 1342 ± 0.00002308 5.561 5.346/5.707 5.549 ± 0.2761
9 1342 1342/1342 1342 ± 0.00002308 5.839 5.761/6.049 5.873 ± 0.2946
10 1342 1342/1342 1342 ± 0.00002308 6.346 6.243/6.447 6.325 ± 0.2646
11 1342 1342/1342 1342 ± 0.00002308 6.559 6.351/6.736 6.548 ± 0.2791
12 1342 1342/1342 1342 ± 0.00002308 6.676 6.426/6.948 6.696 ± 0.3289
13 1342 1342/1342 1342 ± 0.00002308 7.17 6.97/7.533 7.208 ± 0.3444
14 1342 1342/1342 1342 ± 0.00002308 7.445 7.163/7.658 7.415 ± 0.3388
15 1342 1342/1342 1342 ± 0.00002308 7.049 6.732/7.31 7.07 ± 0.3542
16 1342 1342/1342 1342 ± 0.00002308 6.515 6.205/6.809 6.484 ± 0.3628
17 1342 1342/1342 1342 ± 0.00002308 6.485 6.234/6.701 6.417 ± 0.3651
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
vis
VLASS3.2.sb45665927.eb46086746.60447.529309328704_split_split.ms
statwtmode
VLASS-SE
Start time
2025-08-07 04:30:47.521
End
2025-08-07 05:02:15.222
Duration
0:31:27.701
Note, WebLog generation is not included in the time.

CASA logs for stage 8