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

Statwt Summary Plot

VLASS2.2.sb40869292.eb40982614.59542.13818863426_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 6.093 5.817/6.611 6.15 ± 0.7801
ea03 1342 1342/1342 1342 ± 0.00001764 5.645 5.254/6.369 5.751 ± 0.7123
ea04 1342 1342/1342 1342 ± 0 5.601 5.281/6.156 5.709 ± 0.5613
ea05 1342 1342/1342 1342 ± 0 5.946 5.63/6.572 6.102 ± 0.6558
ea06 1342 1342/1342 1342 ± 0 6.016 5.605/6.388 6.065 ± 0.5316
ea07 1342 1342/1342 1342 ± 0 5.956 5.442/6.147 5.928 ± 0.5196
ea08 1342 1342/1342 1342 ± 0.00001595 6.136 5.664/6.513 6.144 ± 0.6494
ea09 1342 1342/1342 1342 ± 0.000005324 5.979 5.491/6.584 6.068 ± 0.7036
ea10 1342 1342/1342 1342 ± 0 5.952 5.592/6.608 6.057 ± 0.5905
ea11 1342 1342/1342 1342 ± 0.00001019 6.121 5.456/6.595 6.102 ± 0.7023
ea12 1342 1342/1342 1342 ± 0.000002383 6.052 5.707/6.648 6.2 ± 0.7631
ea13 1342 1342/1342 1342 ± 0 5.996 5.888/6.387 6.132 ± 0.4846
ea14 1342 1342/1342 1342 ± 0 6.039 5.618/6.549 6.114 ± 0.6689
ea15 1342 1342/1342 1342 ± 0.00000261 5.523 5.129/5.904 5.573 ± 0.5768
ea16 1342 1342/1342 1342 ± 0 6.183 5.846/6.69 6.281 ± 0.6709
ea17 1342 1342/1342 1342 ± 0 6.554 6.192/7.315 6.76 ± 0.6466
ea18 1342 1342/1342 1342 ± 0 5.109 4.884/5.607 5.262 ± 0.4807
ea19 1342 1342/1342 1342 ± 0 6.332 5.927/6.872 6.443 ± 0.6516
ea20 1342 1342/1342 1342 ± 0.000001066 5.893 5.572/6.404 6 ± 0.6342
ea21 1342 1342/1342 1342 ± 0 5.684 5.501/6.265 5.893 ± 0.5197
ea22 1342 1342/1342 1342 ± 0.00001191 5.886 5.508/6.433 5.985 ± 0.6281
ea23 1342 1342/1342 1342 ± 0 6.235 5.844/6.569 6.296 ± 0.6835
ea24 1342 1342/1342 1342 ± 0.00002474 6.041 5.297/6.443 5.759 ± 0.8354
ea25 1342 1342/1342 1342 ± 0 6.279 5.737/6.817 6.323 ± 0.7964
ea26 1342 1342/1342 1342 ± 0 6.349 5.921/7.002 6.489 ± 0.6403
ea27 1342 1342/1342 1342 ± 0 5.831 5.515/6.618 6.017 ± 0.6485
ea28 1342 1342/1342 1342 ± 0 6.002 5.702/6.656 6.184 ± 0.6444
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 5.723 5.484/5.959 5.703 ± 0.2877
3 1342 1342/1342 1342 ± 0.00003707 5.01 4.76/5.2 4.948 ± 0.5441
4 1342 1342/1342 1342 ± 0.00002307 5.514 5.249/5.8 5.509 ± 0.3943
5 1342 1342/1342 1342 ± 0.00002307 5.679 5.392/5.851 5.638 ± 0.3299
6 1342 1342/1342 1342 ± 0.00002307 5.587 5.403/5.774 5.566 ± 0.2644
7 1342 1342/1342 1342 ± 0.00002307 5.607 5.394/5.776 5.591 ± 0.2738
8 1342 1342/1342 1342 ± 0.00002307 5.48 5.277/5.688 5.501 ± 0.3098
9 1342 1342/1342 1342 ± 0.00002307 5.814 5.581/5.977 5.77 ± 0.3024
10 1342 1342/1342 1342 ± 0.00002307 6.235 6.053/6.398 6.165 ± 0.3113
11 1342 1342/1342 1342 ± 0.00002307 6.415 6.294/6.583 6.383 ± 0.3045
12 1342 1342/1342 1342 ± 0.00002307 6.578 6.357/6.681 6.528 ± 0.362
13 1342 1342/1342 1342 ± 0.00002307 7.002 6.767/7.309 7.021 ± 0.3864
14 1342 1342/1342 1342 ± 0.00002307 7.249 7.045/7.538 7.24 ± 0.3928
15 1342 1342/1342 1342 ± 0.00002307 6.898 6.704/7.219 6.921 ± 0.3654
16 1342 1342/1342 1342 ± 0.00002307 6.236 5.935/6.506 6.273 ± 0.3782
17 1342 1342/1342 1342 ± 0.00002307 6.172 5.965/6.473 6.228 ± 0.3654
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.2.sb40869292.eb40982614.59542.13818863426_split_split.ms
output_dir
 
Start time
2025-04-23 12:09:45.629
End
2025-04-23 13:27:34.603
Duration
1:17:48.974
Note, WebLog generation is not included in the time.

CASA logs for stage 8