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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 5.575 5.315/6.173 5.744 ± 0.7328
ea02 1342 1342/1342 1342 ± 0.00003386 5.671 5.214/6.298 5.689 ± 0.6046
ea03 1342 1342/1342 1342 ± 0.00002653 5.429 5.209/6.325 5.725 ± 0.6548
ea04 1342 1342/1342 1342 ± 0.00004013 5.184 4.994/5.968 5.35 ± 0.5832
ea05 1342 1342/1342 1342 ± 0.00004259 5.416 5.051/6.107 5.523 ± 0.6753
ea06 1342 1342/1342 1342 ± 0.000003191 5.382 4.852/5.938 5.428 ± 0.5994
ea07 1342 1342/1342 1342 ± 0.00003035 5.419 4.875/6.069 5.467 ± 0.6275
ea08 1342 1342/1342 1342 ± 0.00002803 5.906 5.417/6.633 5.893 ± 0.6943
ea09 1342 1342/1342 1342 ± 0.00003526 5.097 4.807/5.856 5.327 ± 0.6087
ea10 1342 1342/1342 1342 ± 0.0000394 4.597 4.401/4.938 4.61 ± 0.3622
ea11 1342 1342/1342 1342 ± 0.00004362 5.81 4.772/6.312 5.618 ± 0.7892
ea12 1342 1342/1342 1342 ± 0.00003346 5.227 4.764/5.786 5.282 ± 0.6096
ea14 1342 1342/1342 1342 ± 0.00004019 5.587 5.083/6.219 5.59 ± 0.6544
ea15 1342 1342/1342 1342 ± 0.00004279 5.601 5.138/6.406 5.651 ± 0.8172
ea16 1342 1342/1342 1342 ± 0.00000377 5.716 5.267/6.329 5.854 ± 0.6974
ea17 1342 1342/1342 1342 ± 0.00003474 5.774 5.224/6.458 5.868 ± 0.7003
ea18 1342 1342/1342 1342 ± 0.00002731 5.818 5.441/6.544 5.892 ± 0.7056
ea19 1342 1342/1342 1342 ± 0.00001928 5.449 5.148/6.22 5.569 ± 0.7256
ea20 1342 1342/1342 1342 ± 0.000006198 5.808 5.481/6.737 6.094 ± 0.7227
ea21 1342 1342/1342 1342 ± 0 5.083 4.923/5.77 5.288 ± 0.5259
ea22 1342 1342/1342 1342 ± 0.00003012 5.521 5.037/6.272 5.589 ± 0.6137
ea23 1342 1342/1342 1342 ± 0.00003871 5.772 5.046/6.285 5.675 ± 0.6925
ea24 1342 1342/1342 1342 ± 0 5.357 5.11/6.262 5.633 ± 0.5964
ea25 1342 1342/1342 1342 ± 0.000001258 5.905 5.467/6.515 6.11 ± 0.7502
ea27 1342 1342/1342 1342 ± 0.000003557 5.37 4.924/6.08 5.398 ± 0.7235
ea28 1342 1342/1342 1342 ± 0.000002518 5.735 5.536/6.662 6.033 ± 0.6872
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 5.167 4.951/5.265 5.142 ± 0.2496
5 1342 1342/1342 1342 ± 0.00002759 5.078 4.869/5.396 5.112 ± 0.3069
6 1342 1342/1342 1342 ± 0.00002352 5.125 4.865/5.373 5.116 ± 0.2793
7 1342 1342/1342 1342 ± 0.00002352 5.235 5.097/5.442 5.241 ± 0.271
8 1342 1342/1342 1342 ± 0.00002352 5.242 5.005/5.469 5.221 ± 0.324
9 1342 1342/1342 1342 ± 0.00002352 5.495 5.377/5.784 5.523 ± 0.3264
10 1342 1342/1342 1342 ± 0.00002352 5.999 5.83/6.164 5.952 ± 0.3327
11 1342 1342/1342 1342 ± 0.00002352 6.278 6.065/6.454 6.229 ± 0.3465
12 1342 1342/1342 1342 ± 0.00002352 6.4 6.149/6.573 6.372 ± 0.4175
13 1342 1342/1342 1342 ± 0.00002352 6.757 6.467/7.007 6.695 ± 0.5211
14 1342 1342/1342 1342 ± 0.00002434 6.102 5.865/6.501 6.237 ± 0.5303
15 1342 1342/1342 1342 ± 0.00002357 6.208 5.924/6.433 6.138 ± 0.4486
16 1342 1342/1342 1342 ± 0.00006096 4.656 4.445/4.983 4.735 ± 0.4517
17 1342 1342/1342 1342 ± 0.00005969 4.746 4.506/4.994 4.756 ± 0.3708
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2025-07-26 20:06:03.611
End
2025-07-26 21:02:59.859
Duration
0:56:56.248
Note, WebLog generation is not included in the time.

CASA logs for stage 8