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

Statwt Summary Plot

VLASS2.1.sb38520431.eb38554942.59063.924480127316_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 5.471 5.41/5.954 5.682 ± 0.4516
ea02 1342 1342/1342 1342 ± 0 5.919 5.453/6.41 5.947 ± 0.5358
ea04 1342 1342/1342 1342 ± 0 5.614 5.333/6.18 5.747 ± 0.4704
ea05 1342 1342/1342 1342 ± 0 5.873 5.432/6.219 5.858 ± 0.5072
ea06 1342 1342/1342 1342 ± 0 3.081 3.008/3.331 3.151 ± 0.186
ea07 1342 1342/1342 1342 ± 0 5.695 5.521/5.873 5.688 ± 0.2089
ea08 1342 1342/1342 1342 ± 0 5.913 5.608/6.565 6.091 ± 0.5869
ea09 1342 1342/1342 1342 ± 0 5.011 4.88/5.487 5.17 ± 0.3637
ea10 1342 1342/1342 1342 ± 0 5.637 5.459/6.397 5.847 ± 0.5129
ea11 1342 1342/1342 1342 ± 0 5.875 5.639/6.4 6.037 ± 0.5107
ea12 1342 1342/1342 1342 ± 0 6.028 5.508/6.432 6.061 ± 0.5167
ea13 1342 1342/1342 1342 ± 0 5.933 5.701/6.141 6.009 ± 0.4047
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea16 1342 1342/1342 1342 ± 0 5.082 4.943/5.206 5.1 ± 0.3023
ea17 1342 1342/1342 1342 ± 0.00001534 6.184 5.877/6.603 6.317 ± 0.5193
ea18 1342 1342/1342 1342 ± 0 5.258 4.999/5.705 5.357 ± 0.4044
ea19 1342 1342/1342 1342 ± 0 6.582 6.294/6.851 6.619 ± 0.3443
ea21 1342 1342/1342 1342 ± 0 5.753 5.476/6.315 5.908 ± 0.5182
ea22 1342 1342/1342 1342 ± 0 5.337 5.144/6.065 5.584 ± 0.5247
ea23 1342 1342/1342 1342 ± 0 6.084 5.53/6.461 6.067 ± 0.5669
ea25 1342 1342/1342 1342 ± 0 5.507 5.447/5.691 5.507 ± 0.1738
ea26 1342 1342/1342 1342 ± 0 5.929 5.634/6.608 6.063 ± 0.538
ea27 1342 1342/1342 1342 ± 0.000002139 5.64 5.389/6.285 5.812 ± 0.5074
ea28 1342 1342/1342 1342 ± 0.000005235 5.703 5.505/6.412 5.922 ± 0.5716
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 ± 0.00002604 5.609 5.413/5.777 5.545 ± 0.3385
3 1342 1342/1342 1342 ± 0.00003197 5.366 5.118/5.731 5.396 ± 0.3197
4 1342 1342/1342 1342 ± 0.00002604 5.437 5.322/5.675 5.441 ± 0.3173
5 1342 1342/1342 1342 ± 0.00002604 5.48 5.342/5.606 5.474 ± 0.2749
6 1342 1342/1342 1342 ± 0.00002604 5.46 5.189/5.55 5.389 ± 0.2606
7 1342 1342/1342 1342 ± 0.00002604 5.46 5.336/5.57 5.417 ± 0.2353
8 1342 1342/1342 1342 ± 0.00002604 5.438 5.168/5.528 5.369 ± 0.2946
9 1342 1342/1342 1342 ± 0.00002604 5.697 5.359/5.868 5.615 ± 0.3625
10 1342 1342/1342 1342 ± 0.00002604 6.044 5.827/6.182 5.832 ± 0.6504
11 1342 1342/1342 1342 ± 0.00002604 6.271 5.947/6.41 6.013 ± 0.7617
12 1342 1342/1342 1342 ± 0.00002604 6.441 6.047/6.494 6.15 ± 0.7799
13 1342 1342/1342 1342 ± 0.00002604 6.771 6.447/6.953 6.496 ± 0.8259
14 1342 1342/1342 1342 ± 0.00002604 6.878 6.593/7.075 6.63 ± 0.851
15 1342 1342/1342 1342 ± 0.00002604 6.36 6.19/6.61 6.152 ± 0.8158
16 1342 1342/1342 1342 ± 0.000029 5.588 5.36/5.975 5.572 ± 0.732
17 1342 1342/1342 1342 ± 0.00002607 5.701 5.462/6.116 5.618 ± 0.7113
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
statwtmode
VLASS-SE
Start time
2024-03-29 08:31:21.665
End
2024-03-29 09:47:04.843
Duration
1:15:43.177
Note, WebLog generation is not included in the time.

CASA logs for stage 7