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

Statwt Summary Plot

VLASS3.2.sb45459544.eb46165741.60472.10038270833_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 5.447 5.231/6.531 5.71 ± 0.8658
ea02 1342 1342/1342 1342 ± 0.00001236 5.622 5.164/6.308 5.684 ± 0.8766
ea03 1342 1342/1342 1342 ± 0 5.38 5.084/6.581 5.694 ± 0.8751
ea04 1342 1342/1342 1342 ± 0.00004767 5.038 4.812/5.918 5.198 ± 0.7925
ea05 1342 1342/1342 1342 ± 0.00004165 5.262 5.054/6.369 5.502 ± 0.9282
ea06 1342 1342/1342 1342 ± 0.000001207 5.12 4.746/5.872 5.331 ± 0.7838
ea07 1342 1342/1342 1342 ± 0.00002094 5.021 4.847/6.153 5.297 ± 1.072
ea08 1342 1342/1342 1342 ± 0 5.489 5.173/6.643 5.786 ± 0.9448
ea09 1342 1342/1342 1342 ± 0.0000415 4.947 4.73/6.075 5.207 ± 0.7416
ea10 1342 1342/1342 1342 ± 0.00004396 4.945 4.654/6.099 5.225 ± 0.8296
ea11 1342 1342/1342 1342 ± 0.00004473 5.087 4.604/6.272 5.203 ± 1.081
ea12 1342 1342/1342 1342 ± 0.00003901 5.068 4.821/5.907 5.243 ± 0.7978
ea14 1342 1342/1342 1342 ± 0.00004171 5.537 5.156/6.471 5.736 ± 0.8076
ea15 1342 1342/1342 1342 ± 0.00004319 5.596 5.156/6.562 5.782 ± 0.9256
ea16 1342 1342/1342 1342 ± 0.000002698 5.533 5.269/6.527 5.752 ± 0.9119
ea17 1342 1342/1342 1342 ± 0.00003788 5.532 5.104/6.515 5.625 ± 1.074
ea18 1342 1342/1342 1342 ± 0 5.488 5.206/6.597 5.781 ± 0.9044
ea19 1342 1342/1342 1342 ± 0.00002834 5.147 4.937/6.242 5.45 ± 0.8773
ea20 1342 1342/1342 1342 ± 0.00003849 5.707 5.411/6.836 5.875 ± 1.034
ea21 1342 1342/1342 1342 ± 0 5.014 4.844/5.841 5.255 ± 0.6748
ea22 1342 1342/1342 1342 ± 0.000001652 5.389 4.948/6.375 5.505 ± 0.9725
ea23 1342 1342/1342 1342 ± 0.00004235 5.473 4.971/6.323 5.666 ± 0.8429
ea24 1342 1342/1342 1342 ± 0.00001565 5.251 5.031/6.538 5.601 ± 0.8586
ea25 1342 1342/1342 1342 ± 0 5.8 5.357/6.776 6.008 ± 0.9513
ea27 1342 1342/1342 1342 ± 0.000002698 5.108 4.979/6.328 5.501 ± 0.7855
ea28 1342 1342/1342 1342 ± 0.00002425 5.616 5.342/6.897 5.902 ± 0.9032
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 ± 0.00002348 5.116 4.923/5.225 5.113 ± 0.264
3 1342 1342/1342 1342 ± 0.00003509 3.902 3.261/4.276 3.845 ± 0.6142
4 1342 1342/1342 1342 ± 0.00003546 3.856 3.723/4.005 3.869 ± 0.2309
5 1342 1342/1342 1342 ± 0.00002348 5.116 4.851/5.346 5.123 ± 0.2946
6 1342 1342/1342 1342 ± 0.00002348 5.074 4.849/5.358 5.091 ± 0.2682
7 1342 1342/1342 1342 ± 0.00002348 5.184 4.947/5.356 5.168 ± 0.2488
8 1342 1342/1342 1342 ± 0.00002348 5.156 4.936/5.368 5.161 ± 0.2874
9 1342 1342/1342 1342 ± 0.00002348 5.485 5.24/5.704 5.487 ± 0.2943
10 1342 1342/1342 1342 ± 0.00002348 6.106 5.829/6.181 6.025 ± 0.2752
11 1342 1342/1342 1342 ± 0.00002348 6.285 6.114/6.422 6.261 ± 0.2733
12 1342 1342/1342 1342 ± 0.00002348 6.482 6.168/6.613 6.43 ± 0.311
13 1342 1342/1342 1342 ± 0.00002348 6.883 6.623/7.09 6.865 ± 0.3235
14 1342 1342/1342 1342 ± 0.00002427 6.828 6.584/7.118 6.834 ± 0.3695
15 1342 1342/1342 1342 ± 0.00002348 6.803 6.373/7.061 6.714 ± 0.3586
16 1342 1342/1342 1342 ± 0.00006103 5.006 4.833/5.131 5.01 ± 0.2596
17 1342 1342/1342 1342 ± 0.00006098 4.865 4.71/5.091 4.924 ± 0.2971
output_dir
 
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-22 03:40:13.101
End
2025-07-22 04:36:44.652
Duration
0:56:31.552
Note, WebLog generation is not included in the time.

CASA logs for stage 8