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

Statwt Summary Plot

VLASS2.1.sb38625952.eb38714976.59133.44101303241_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 5.546 5.399/6.294 5.885 ± 0.5891
ea02 1342 1342/1342 1342 ± 0.0000421 6.149 5.752/6.824 6.305 ± 0.6398
ea03 1342 1342/1342 1342 ± 0 5.667 4.971/6.153 5.612 ± 0.6305
ea04 1342 1342/1342 1342 ± 0 5.654 5.404/6.209 5.83 ± 0.5334
ea05 1342 1342/1342 1342 ± 0 5.927 5.717/6.733 6.13 ± 0.6011
ea06 1342 1342/1342 1342 ± 0 5.027 4.856/5.561 5.198 ± 0.4117
ea07 1342 1342/1342 1342 ± 0.000003486 5.924 5.616/6.438 6.128 ± 0.6812
ea08 1342 1342/1342 1342 ± 0 6.07 5.729/6.957 6.355 ± 0.6765
ea09 1342 1342/1342 1342 ± 0 6.126 5.427/6.676 6.12 ± 0.6349
ea10 1342 1342/1342 1342 ± 0.000005321 6.004 5.518/6.942 6.151 ± 0.736
ea11 1342 1342/1342 1342 ± 0 5.785 5.389/6.667 6.028 ± 0.7683
ea12 1342 1342/1342 1342 ± 0 5.746 5.496/6.559 6.043 ± 0.6552
ea13 1342 1342/1342 1342 ± 0 6.482 5.894/6.719 6.403 ± 0.504
ea15 1342 1342/1342 1342 ± 0 6.098 5.667/6.711 6.249 ± 0.6495
ea16 1342 1342/1342 1342 ± 0.00001201 6.187 5.888/6.983 6.423 ± 0.744
ea17 1342 1342/1342 1342 ± 0.000006667 6.248 5.94/7.191 6.562 ± 0.7153
ea18 1342 1342/1342 1342 ± 0 4.965 4.847/5.71 5.222 ± 0.4968
ea19 1342 1342/1342 1342 ± 0 6.105 5.687/6.795 6.224 ± 0.6067
ea20 1342 1342/1342 1342 ± 0 5.887 5.659/6.723 6.145 ± 0.663
ea21 1342 1342/1342 1342 ± 0 5.807 5.645/6.634 6.11 ± 0.6034
ea22 1342 1342/1342 1342 ± 0 5.952 5.214/6.349 5.832 ± 0.5918
ea23 1342 1342/1342 1342 ± 0 5.717 5.588/6.731 6.2 ± 0.7379
ea24 1342 1342/1342 1342 ± 0.00001107 5.972 5.661/6.815 6.218 ± 0.6231
ea25 1342 1342/1342 1342 ± 0 5.554 5.437/6.418 5.932 ± 0.6193
ea26 1342 1342/1342 1342 ± 0 6.568 6.027/7.239 6.62 ± 0.6731
ea27 1342 1342/1342 1342 ± 0.000004969 5.724 5.478/6.581 5.967 ± 0.6354
ea28 1342 1342/1342 1342 ± 0 5.62 5.44/6.468 5.946 ± 0.6042
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 ± 0.00002305 5.542 5.352/5.758 5.508 ± 0.2902
4 1342 1342/1342 1342 ± 0.0000306 5.298 5.046/5.584 5.322 ± 0.377
5 1342 1342/1342 1342 ± 0.00002305 5.605 5.409/5.725 5.564 ± 0.3572
6 1342 1342/1342 1342 ± 0.00002305 5.555 5.347/5.727 5.485 ± 0.3129
7 1342 1342/1342 1342 ± 0.00002305 5.579 5.444/5.712 5.545 ± 0.2928
8 1342 1342/1342 1342 ± 0.00002305 5.529 5.32/5.66 5.477 ± 0.3325
9 1342 1342/1342 1342 ± 0.00002305 5.877 5.497/6.087 5.781 ± 0.3663
10 1342 1342/1342 1342 ± 0.00002305 6.274 6.024/6.465 6.22 ± 0.3513
11 1342 1342/1342 1342 ± 0.00002305 6.525 6.317/6.682 6.455 ± 0.3597
12 1342 1342/1342 1342 ± 0.00002305 6.659 6.443/6.798 6.604 ± 0.4
13 1342 1342/1342 1342 ± 0.00002305 7.129 6.925/7.245 7.052 ± 0.4211
14 1342 1342/1342 1342 ± 0.00002305 7.292 7.043/7.516 7.228 ± 0.4535
15 1342 1342/1342 1342 ± 0.00002305 6.787 6.554/7.081 6.754 ± 0.4522
16 1342 1342/1342 1342 ± 0.00002601 5.763 5.472/6.02 5.75 ± 0.4575
17 1342 1342/1342 1342 ± 0.00002373 5.934 5.604/6.202 5.897 ± 0.4824
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38625952.eb38714976.59133.44101303241_split_split.ms
Start time
2025-01-11 13:25:40.593
End
2025-01-11 14:32:22.106
Duration
1:06:41.513
Note, WebLog generation is not included in the time.

CASA logs for stage 8