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 5.432 5.228/6.5 5.696 ± 0.8591
ea02 1342 1342/1342 1342 ± 0.00001158 5.587 5.18/6.273 5.665 ± 0.856
ea03 1342 1342/1342 1342 ± 0 5.445 5.121/6.547 5.699 ± 0.8577
ea04 1342 1342/1342 1342 ± 0.00004753 5.035 4.879/6 5.202 ± 0.8336
ea05 1342 1342/1342 1342 ± 0.00004093 5.241 5.016/6.437 5.464 ± 0.9306
ea06 1342 1342/1342 1342 ± 0 5.158 4.809/5.859 5.337 ± 0.7564
ea07 1342 1342/1342 1342 ± 0.00001851 5.022 4.87/6.137 5.354 ± 1.001
ea08 1342 1342/1342 1342 ± 0.000001222 5.511 5.199/6.603 5.79 ± 0.9219
ea09 1342 1342/1342 1342 ± 0.00004141 4.942 4.737/6.111 5.238 ± 0.7572
ea10 1342 1342/1342 1342 ± 0.00004258 4.971 4.639/6.034 5.204 ± 0.8023
ea11 1342 1342/1342 1342 ± 0.00004481 5.137 4.598/6.17 5.176 ± 1.017
ea12 1342 1342/1342 1342 ± 0.00003707 5.026 4.793/5.865 5.201 ± 0.8088
ea14 1342 1342/1342 1342 ± 0.00004168 5.477 5.174/6.359 5.692 ± 0.7665
ea15 1342 1342/1342 1342 ± 0.00004258 5.505 5.23/6.516 5.764 ± 0.9201
ea16 1342 1342/1342 1342 ± 0 5.639 5.316/6.511 5.778 ± 0.8856
ea17 1342 1342/1342 1342 ± 0.0000289 5.497 5.118/6.47 5.618 ± 1.019
ea18 1342 1342/1342 1342 ± 0 5.592 5.343/6.641 5.877 ± 0.8888
ea19 1342 1342/1342 1342 ± 0.00002554 5.158 4.931/6.219 5.446 ± 0.8607
ea20 1342 1342/1342 1342 ± 0.00003741 5.773 5.495/6.949 5.898 ± 1.011
ea21 1342 1342/1342 1342 ± 0 5.085 4.875/5.81 5.271 ± 0.6583
ea22 1342 1342/1342 1342 ± 0.000001222 5.436 4.995/6.353 5.534 ± 0.9478
ea23 1342 1342/1342 1342 ± 0.00004193 5.407 5.053/6.274 5.653 ± 0.8197
ea24 1342 1342/1342 1342 ± 0.00001587 5.318 5.016/6.523 5.599 ± 0.8436
ea25 1342 1342/1342 1342 ± 0 5.838 5.373/6.755 6.021 ± 0.9319
ea27 1342 1342/1342 1342 ± 0.000004182 5.18 5.061/6.354 5.557 ± 0.7662
ea28 1342 1342/1342 1342 ± 0.00002251 5.624 5.412/6.859 5.922 ± 0.8781
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 ± 0.00002352 5.088 4.901/5.215 5.109 ± 0.2606
3 1342 1342/1342 1342 ± 0.00003519 3.839 3.456/4.297 3.901 ± 0.5634
4 1342 1342/1342 1342 ± 0.0000323 3.87 3.72/3.991 3.867 ± 0.2275
5 1342 1342/1342 1342 ± 0.00002352 5.113 4.934/5.39 5.15 ± 0.2934
6 1342 1342/1342 1342 ± 0.00002352 5.13 4.877/5.393 5.119 ± 0.2762
7 1342 1342/1342 1342 ± 0.00002352 5.187 4.941/5.375 5.176 ± 0.2591
8 1342 1342/1342 1342 ± 0.00002352 5.14 4.97/5.353 5.15 ± 0.2855
9 1342 1342/1342 1342 ± 0.00002352 5.467 5.237/5.669 5.464 ± 0.2915
10 1342 1342/1342 1342 ± 0.00002352 6.019 5.852/6.145 6.001 ± 0.2722
11 1342 1342/1342 1342 ± 0.00002352 6.247 6.111/6.425 6.24 ± 0.2738
12 1342 1342/1342 1342 ± 0.00002352 6.432 6.158/6.552 6.401 ± 0.3091
13 1342 1342/1342 1342 ± 0.00002352 6.824 6.586/7.077 6.833 ± 0.3251
14 1342 1342/1342 1342 ± 0.00002356 6.834 6.569/7.102 6.829 ± 0.3612
15 1342 1342/1342 1342 ± 0.00002352 6.801 6.35/7.016 6.703 ± 0.3577
16 1342 1342/1342 1342 ± 0.00006098 5.104 4.915/5.241 5.103 ± 0.2567
17 1342 1342/1342 1342 ± 0.00006078 4.921 4.776/5.141 4.981 ± 0.2952
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
overwrite_modelcol
False
Start time
2025-07-22 17:18:46.678
End
2025-07-22 18:09:49.634
Duration
0:51:02.956
Note, WebLog generation is not included in the time.

CASA logs for stage 8