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

Statwt Summary Plot

VLASS2.1.sb39020510.eb39074114.59177.52519034722_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 5.319 5.175/5.963 5.445 ± 0.691
ea02 1342 1342/1342 1342 ± 0.00004294 5.659 5.206/6.423 5.684 ± 0.8643
ea03 1342 1342/1342 1342 ± 0.000006338 2.05 1.984/2.367 2.143 ± 0.268
ea04 1342 1342/1342 1342 ± 0.000008011 5.421 5.182/6.299 5.56 ± 0.8831
ea05 1342 1342/1342 1342 ± 0.00001881 5.429 5.154/6.4 5.704 ± 0.8029
ea06 1342 1342/1342 1342 ± 0 4.566 4.321/5.205 4.654 ± 0.55
ea07 1342 1342/1342 1342 ± 0.00004272 5.837 5.412/6.384 5.836 ± 0.8503
ea08 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea09 1342 1342/1342 1342 ± 0.000005604 5.466 5.188/6.416 5.63 ± 0.8024
ea10 1342 1342/1342 1342 ± 0.00004273 5.698 5.298/6.702 5.81 ± 0.8991
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00002864 5.501 5.36/6.701 5.799 ± 1.005
ea13 1342 1342/1342 1342 ± 0.00001387 5.718 5.613/6.4 5.84 ± 0.7063
ea14 1342 1342/1342 1342 ± 0.00002619 5.405 4.982/6.309 5.507 ± 0.8235
ea15 1342 1342/1342 1342 ± 0 3.339 3.209/4.202 3.624 ± 0.6321
ea16 1342 1342/1342 1342 ± 0.00002589 5.752 5.4/6.783 5.902 ± 0.9857
ea17 1342 1342/1342 1342 ± 0 6.13 5.553/7.23 6.235 ± 1.018
ea18 1342 1342/1342 1342 ± 0.00004058 4.891 4.629/5.859 5.049 ± 0.7094
ea19 1342 1342/1342 1342 ± 0.000009831 5.53 5.376/6.628 5.841 ± 0.8297
ea20 1342 1342/1342 1342 ± 0.000001179 5.928 5.792/7.067 6.149 ± 1.003
ea23 1342 1342/1342 1342 ± 0.00003773 5.597 5.293/6.684 5.858 ± 0.9566
ea24 1342 1342/1342 1342 ± 0.00003285 5.098 4.907/6.192 5.387 ± 0.7525
ea25 1342 1342/1342 1342 ± 0.00004292 5.684 5.26/6.596 5.734 ± 0.8851
ea26 1342 1342/1342 1342 ± 0 1.539 1.501/1.623 1.568 ± 0.1085
ea27 1342 1342/1342 1342 ± 0.00004369 5.551 5.168/6.55 5.652 ± 0.864
ea28 1342 1342/1342 1342 ± 0.00004348 5.32 5.156/6.289 5.538 ± 0.8012
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 ± 0.00002446 5.216 4.88/5.498 4.877 ± 1.092
3 1342 1342/1342 1342 ± 0.00003275 4.993 4.12/5.296 4.457 ± 1.159
5 1342 1342/1342 1342 ± 0.00002446 5.268 4.95/5.491 4.903 ± 1.117
6 1342 1342/1342 1342 ± 0.00002446 5.282 5.03/5.417 4.878 ± 1.072
7 1342 1342/1342 1342 ± 0.00002446 5.328 5.092/5.446 4.961 ± 1.09
8 1342 1342/1342 1342 ± 0.00002446 5.245 5.141/5.459 4.93 ± 1.09
9 1342 1342/1342 1342 ± 0.00002446 5.501 5.358/5.862 5.189 ± 1.164
10 1342 1342/1342 1342 ± 0.00002446 6.011 5.754/6.237 5.582 ± 1.258
11 1342 1342/1342 1342 ± 0.00002446 6.307 6.183/6.455 5.864 ± 1.311
12 1342 1342/1342 1342 ± 0.00002446 6.609 6.308/6.699 6.06 ± 1.377
13 1342 1342/1342 1342 ± 0.00002446 6.705 6.228/7.059 6.302 ± 1.437
14 1342 1342/1342 1342 ± 0.00002777 6.576 6.081/7.087 6.217 ± 1.474
15 1342 1342/1342 1342 ± 0.00002451 6.653 6.262/6.967 6.153 ± 1.44
16 1342 1342/1342 1342 ± 0.000061 4.065 3.855/4.226 3.841 ± 0.7199
17 1342 1342/1342 1342 ± 0.00006027 4.233 3.996/4.422 4.016 ± 0.765
statwtmode
VLASS-SE
vis
VLASS2.1.sb39020510.eb39074114.59177.52519034722_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-01-11 05:25:37.701
End
2025-01-11 06:26:15.875
Duration
1:00:38.174
Note, WebLog generation is not included in the time.

CASA logs for stage 8