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

Statwt Summary Plot

VLASS2.1.sb38464181.eb38625161.59091.97021673611_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 5.317 5.22/6.042 5.582 ± 0.5463
ea02 1342 1342/1342 1342 ± 0 5.883 5.311/6.515 5.955 ± 0.6509
ea04 1342 1342/1342 1342 ± 0 5.278 5.033/6.016 5.547 ± 0.5607
ea05 1342 1342/1342 1342 ± 0 5.731 5.375/6.515 5.883 ± 0.6231
ea06 1342 1342/1342 1342 ± 0 4.869 4.767/5.411 5.073 ± 0.4318
ea07 1342 1342/1342 1342 ± 0.00003346 5.671 5.282/6.266 5.865 ± 0.6786
ea08 1342 1342/1342 1342 ± 0 5.778 5.491/6.603 6.08 ± 0.6844
ea10 1342 1342/1342 1342 ± 0.00003742 5.385 5.227/6.629 5.824 ± 0.751
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.469 5.262/6.501 5.838 ± 0.704
ea13 1342 1342/1342 1342 ± 0 6.257 5.704/6.694 6.163 ± 0.5376
ea14 1342 1342/1342 1342 ± 0.00001419 5.455 5.228/6.348 5.725 ± 0.6959
ea15 1342 1342/1342 1342 ± 0 5.533 5.051/6.143 5.653 ± 0.6709
ea16 1342 1342/1342 1342 ± 0 5.846 5.551/6.746 6.105 ± 0.8091
ea17 1342 1342/1342 1342 ± 0.00004141 5.687 5.329/6.515 5.967 ± 0.7078
ea18 1342 1342/1342 1342 ± 0 4.836 4.603/5.603 5.015 ± 0.5696
ea19 1342 1342/1342 1342 ± 0.000006825 5.956 5.477/6.717 6.085 ± 0.6566
ea20 1342 1342/1342 1342 ± 0 5.78 5.492/6.769 6.105 ± 0.7339
ea21 1342 1342/1342 1342 ± 0.000006922 5.563 5.295/6.306 5.782 ± 0.6314
ea22 1342 1342/1342 1342 ± 0 6 5.189/6.321 5.826 ± 0.6753
ea23 1342 1342/1342 1342 ± 0.00002896 5.512 5.401/6.533 5.955 ± 0.7477
ea25 1342 1342/1342 1342 ± 0.00003779 5.215 5.054/6.008 5.552 ± 0.6751
ea26 1342 1342/1342 1342 ± 0 6.32 5.624/6.792 6.233 ± 0.6494
ea27 1342 1342/1342 1342 ± 0.00004363 5.335 5.017/6.317 5.637 ± 0.6668
ea28 1342 1342/1342 1342 ± 0.00002803 5.521 5.29/6.375 5.813 ± 0.6971
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 ± 0.0000244 5.263 5.053/5.519 5.288 ± 0.262
3 1342 1342/1342 1342 ± 0.0000277 5.003 4.772/5.147 5.007 ± 0.3272
5 1342 1342/1342 1342 ± 0.0000244 5.32 5.054/5.4 5.235 ± 0.3272
6 1342 1342/1342 1342 ± 0.0000244 5.282 5.053/5.481 5.266 ± 0.2809
7 1342 1342/1342 1342 ± 0.0000244 5.3 5.18/5.497 5.314 ± 0.2504
8 1342 1342/1342 1342 ± 0.0000244 5.289 5.036/5.414 5.25 ± 0.2707
9 1342 1342/1342 1342 ± 0.0000244 5.565 5.417/5.835 5.577 ± 0.3024
10 1342 1342/1342 1342 ± 0.0000244 6.031 5.901/6.164 5.985 ± 0.3217
11 1342 1342/1342 1342 ± 0.0000244 6.292 6.149/6.416 6.225 ± 0.3224
12 1342 1342/1342 1342 ± 0.0000244 6.483 6.223/6.62 6.395 ± 0.3509
13 1342 1342/1342 1342 ± 0.0000244 6.854 6.752/7.098 6.847 ± 0.3702
14 1342 1342/1342 1342 ± 0.0000244 7.152 6.911/7.341 7.062 ± 0.4106
15 1342 1342/1342 1342 ± 0.0000244 6.565 6.262/6.822 6.51 ± 0.4343
16 1342 1342/1342 1342 ± 0.00005505 5.429 5.224/5.75 5.46 ± 0.4847
17 1342 1342/1342 1342 ± 0.00005156 5.523 5.352/5.838 5.616 ± 0.4942
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.1.sb38464181.eb38625161.59091.97021673611_split_split.ms
Start time
2024-12-21 05:03:53.074
End
2024-12-21 05:59:21.220
Duration
0:55:28.145
Note, WebLog generation is not included in the time.

CASA logs for stage 8