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 5.792 5.428/6.418 5.911 ± 0.6437
ea02 1342 1342/1342 1342 ± 0 6.157 5.547/6.414 6.088 ± 0.6613
ea03 1342 1342/1342 1342 ± 0 6.075 5.4/6.695 6.063 ± 0.7401
ea04 1342 1342/1342 1342 ± 0.000001228 5.666 5.073/6.093 5.654 ± 0.6012
ea05 1342 1342/1342 1342 ± 0 5.794 5.243/6.437 5.878 ± 0.6903
ea06 1342 1342/1342 1342 ± 0 5.918 5.052/6.119 5.694 ± 0.6758
ea07 1342 1342/1342 1342 ± 0 5.844 5.147/6.259 5.856 ± 0.7069
ea08 1342 1342/1342 1342 ± 0 6.397 5.545/6.753 6.262 ± 0.682
ea09 1342 1342/1342 1342 ± 0 5.724 5.115/6.426 5.821 ± 0.7375
ea10 1342 1342/1342 1342 ± 0 5.544 5.16/6.162 5.613 ± 0.5893
ea11 1342 1342/1342 1342 ± 0.00000465 5.428 5.136/6.22 5.634 ± 0.6599
ea12 1342 1342/1342 1342 ± 0 5.504 5.37/6.35 5.721 ± 0.6609
ea13 1342 1342/1342 1342 ± 0 5.888 5.445/6.299 5.875 ± 0.7171
ea14 1342 1342/1342 1342 ± 0.000001244 5.935 5.58/6.591 6.076 ± 0.6251
ea15 1342 1342/1342 1342 ± 0.000006617 4.855 4.43/5.196 4.872 ± 0.4535
ea16 1342 1342/1342 1342 ± 0 6.066 5.635/6.553 6.155 ± 0.7274
ea17 1342 1342/1342 1342 ± 0 6.106 5.748/6.733 6.274 ± 0.6907
ea18 1342 1342/1342 1342 ± 0 6.284 5.748/6.894 6.336 ± 0.7342
ea19 1342 1342/1342 1342 ± 0 5.833 5.441/6.505 5.965 ± 0.6926
ea20 1342 1342/1342 1342 ± 0 6.138 5.373/6.533 5.986 ± 0.6231
ea21 1342 1342/1342 1342 ± 0 5.481 5.115/5.976 5.574 ± 0.5408
ea22 1342 1342/1342 1342 ± 0 6.461 5.674/6.96 6.294 ± 0.7445
ea23 1342 1342/1342 1342 ± 0 5.976 5.504/6.449 6.059 ± 0.6865
ea24 1342 1342/1342 1342 ± 0 6.098 5.273/6.49 5.868 ± 0.6458
ea25 1342 1342/1342 1342 ± 0 6.49 5.651/6.913 6.421 ± 0.8257
ea27 1342 1342/1342 1342 ± 0 5.701 5.315/6.502 5.861 ± 0.649
ea28 1342 1342/1342 1342 ± 0 6.338 5.681/6.947 6.363 ± 0.6886
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 ± 0.00002307 5.451 5.27/5.636 5.449 ± 0.2777
3 1342 1342/1342 1342 ± 0.00002424 5.009 4.828/5.174 5.001 ± 0.3031
4 1342 1342/1342 1342 ± 0.00003091 5.14 4.914/5.297 5.151 ± 0.3653
5 1342 1342/1342 1342 ± 0.00002309 5.254 5.068/5.53 5.278 ± 0.3381
6 1342 1342/1342 1342 ± 0.00002307 5.308 5.115/5.58 5.304 ± 0.3244
7 1342 1342/1342 1342 ± 0.00002307 5.461 5.236/5.541 5.388 ± 0.281
8 1342 1342/1342 1342 ± 0.00002307 5.376 5.158/5.525 5.333 ± 0.3036
9 1342 1342/1342 1342 ± 0.00002307 5.672 5.506/5.912 5.652 ± 0.3307
10 1342 1342/1342 1342 ± 0.00002307 6.139 6.023/6.306 6.115 ± 0.3161
11 1342 1342/1342 1342 ± 0.00002307 6.363 6.13/6.513 6.318 ± 0.3277
12 1342 1342/1342 1342 ± 0.00002307 6.492 6.269/6.697 6.479 ± 0.3878
13 1342 1342/1342 1342 ± 0.00002307 6.938 6.669/7.203 6.921 ± 0.4001
14 1342 1342/1342 1342 ± 0.00002307 7.158 6.935/7.431 7.118 ± 0.4215
15 1342 1342/1342 1342 ± 0.00002307 6.818 6.606/7.122 6.79 ± 0.4281
16 1342 1342/1342 1342 ± 0.00002307 6.195 5.795/6.456 6.131 ± 0.438
17 1342 1342/1342 1342 ± 0.00002309 6.205 5.916/6.382 6.093 ± 0.4181
output_dir
 
vis
VLASS3.2.sb45520569.eb45733624.60429.987892812496_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-18 05:29:13.329
End
2025-07-18 06:22:55.970
Duration
0:53:42.641
Note, WebLog generation is not included in the time.

CASA logs for stage 8