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

Statwt Summary Plot

VLASS3.2.sb45520569.eb45733624.60429.987892812496_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 6.044 5.504/6.45 5.977 ± 0.6208
ea02 1342 1342/1342 1342 ± 0 6.268 5.616/6.432 6.136 ± 0.6435
ea03 1342 1342/1342 1342 ± 0 6.126 5.437/6.729 6.114 ± 0.7273
ea04 1342 1342/1342 1342 ± 0 5.655 5.096/6.062 5.637 ± 0.576
ea05 1342 1342/1342 1342 ± 0 5.862 5.322/6.661 5.949 ± 0.6824
ea06 1342 1342/1342 1342 ± 0 5.964 5.084/6.151 5.729 ± 0.6722
ea07 1342 1342/1342 1342 ± 0.000001132 6.074 5.194/6.276 5.894 ± 0.6958
ea08 1342 1342/1342 1342 ± 0 6.42 5.578/6.759 6.285 ± 0.6697
ea09 1342 1342/1342 1342 ± 0 5.718 5.173/6.457 5.835 ± 0.7453
ea10 1342 1342/1342 1342 ± 0.000001138 5.543 5.17/6.154 5.628 ± 0.5805
ea11 1342 1342/1342 1342 ± 0.000007704 5.458 5.165/6.258 5.657 ± 0.6534
ea12 1342 1342/1342 1342 ± 0 5.56 5.374/6.372 5.78 ± 0.6369
ea13 1342 1342/1342 1342 ± 0.000001132 6.15 5.521/6.328 5.92 ± 0.7311
ea14 1342 1342/1342 1342 ± 0 6.076 5.659/6.668 6.164 ± 0.6284
ea15 1342 1342/1342 1342 ± 0.000004978 5.08 4.556/5.324 5.004 ± 0.4722
ea16 1342 1342/1342 1342 ± 0 6.243 5.687/6.764 6.218 ± 0.7251
ea17 1342 1342/1342 1342 ± 0 6.255 5.761/7.099 6.328 ± 0.6886
ea18 1342 1342/1342 1342 ± 0 6.504 5.829/7.135 6.414 ± 0.712
ea19 1342 1342/1342 1342 ± 0 5.871 5.482/6.696 6.034 ± 0.6724
ea20 1342 1342/1342 1342 ± 0 6.352 5.611/6.76 6.21 ± 0.6372
ea21 1342 1342/1342 1342 ± 0 5.509 5.148/6.012 5.602 ± 0.5334
ea22 1342 1342/1342 1342 ± 0 6.456 5.692/6.946 6.294 ± 0.7344
ea23 1342 1342/1342 1342 ± 0 5.992 5.537/6.45 6.09 ± 0.6736
ea24 1342 1342/1342 1342 ± 0 6.122 5.335/6.536 5.945 ± 0.6173
ea25 1342 1342/1342 1342 ± 0 6.555 5.707/6.924 6.462 ± 0.8041
ea27 1342 1342/1342 1342 ± 0 5.743 5.33/6.518 5.872 ± 0.6432
ea28 1342 1342/1342 1342 ± 0 6.39 5.724/6.951 6.393 ± 0.6839
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 ± 0.0000231 5.506 5.306/5.676 5.488 ± 0.2847
3 1342 1342/1342 1342 ± 0.00002452 5.066 4.864/5.224 5.036 ± 0.3261
4 1342 1342/1342 1342 ± 0.00002752 5.262 4.996/5.523 5.26 ± 0.3673
5 1342 1342/1342 1342 ± 0.0000231 5.418 5.128/5.616 5.366 ± 0.3414
6 1342 1342/1342 1342 ± 0.0000231 5.347 5.166/5.614 5.347 ± 0.3202
7 1342 1342/1342 1342 ± 0.0000231 5.521 5.246/5.638 5.434 ± 0.2782
8 1342 1342/1342 1342 ± 0.0000231 5.408 5.178/5.609 5.38 ± 0.3064
9 1342 1342/1342 1342 ± 0.0000231 5.702 5.548/5.938 5.694 ± 0.33
10 1342 1342/1342 1342 ± 0.0000231 6.197 6.052/6.351 6.149 ± 0.3161
11 1342 1342/1342 1342 ± 0.0000231 6.411 6.158/6.598 6.354 ± 0.3236
12 1342 1342/1342 1342 ± 0.0000231 6.524 6.285/6.761 6.51 ± 0.3829
13 1342 1342/1342 1342 ± 0.0000231 7.051 6.666/7.212 6.953 ± 0.3953
14 1342 1342/1342 1342 ± 0.0000231 7.219 6.951/7.456 7.158 ± 0.4165
15 1342 1342/1342 1342 ± 0.0000231 6.921 6.623/7.18 6.827 ± 0.4169
16 1342 1342/1342 1342 ± 0.0000231 6.217 5.782/6.457 6.167 ± 0.4286
17 1342 1342/1342 1342 ± 0.0000231 6.237 5.962/6.421 6.122 ± 0.4186
datacolumn
residual_data
vis
VLASS3.2.sb45520569.eb45733624.60429.987892812496_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
Start time
2025-07-18 08:13:38.974
End
2025-07-18 09:28:23.234
Duration
1:14:44.259
Note, WebLog generation is not included in the time.

CASA logs for stage 8