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 5.139/5.918 5.431 ± 0.638
ea02 1342 1342/1342 1342 ± 0.0000433 5.8 5.332/6.45 5.755 ± 0.8304
ea03 1342 1342/1342 1342 ± 0.000005682 2.056 1.979/2.381 2.139 ± 0.2888
ea04 1342 1342/1342 1342 ± 0.000006021 5.393 5.192/6.287 5.579 ± 0.8274
ea05 1342 1342/1342 1342 ± 0.000006145 5.389 5.068/6.311 5.636 ± 0.7269
ea06 1342 1342/1342 1342 ± 0 4.411 4.17/4.99 4.512 ± 0.4665
ea07 1342 1342/1342 1342 ± 0.00004271 5.89 5.336/6.313 5.729 ± 0.8076
ea08 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea09 1342 1342/1342 1342 ± 0.00001371 5.445 5.181/6.501 5.634 ± 0.7983
ea10 1342 1342/1342 1342 ± 0.00004309 5.665 5.262/6.533 5.754 ± 0.845
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00001567 5.509 5.325/6.646 5.784 ± 0.9889
ea13 1342 1342/1342 1342 ± 0.00002136 5.752 5.651/6.411 5.899 ± 0.7039
ea14 1342 1342/1342 1342 ± 0.000007994 5.39 4.921/6.247 5.466 ± 0.7735
ea15 1342 1342/1342 1342 ± 0 3.371 3.125/4.085 3.556 ± 0.5326
ea16 1342 1342/1342 1342 ± 0.00001831 5.695 5.439/6.74 5.886 ± 0.9251
ea17 1342 1342/1342 1342 ± 0 6.024 5.457/7.164 6.189 ± 0.9312
ea18 1342 1342/1342 1342 ± 0.00003865 4.878 4.564/5.832 5.05 ± 0.7082
ea19 1342 1342/1342 1342 ± 0 5.543 5.335/6.581 5.822 ± 0.7867
ea20 1342 1342/1342 1342 ± 0 5.903 5.639/7.019 6.161 ± 0.9211
ea23 1342 1342/1342 1342 ± 0.00003493 5.495 5.224/6.61 5.73 ± 0.9291
ea24 1342 1342/1342 1342 ± 0.00003864 5.117 4.924/6.256 5.414 ± 0.7507
ea25 1342 1342/1342 1342 ± 0.00004274 5.657 5.187/6.526 5.703 ± 0.8506
ea26 1342 1342/1342 1342 ± 0 1.538 1.507/1.614 1.562 ± 0.0882
ea27 1342 1342/1342 1342 ± 0.00004407 5.486 5.132/6.521 5.623 ± 0.8308
ea28 1342 1342/1342 1342 ± 0.00004356 5.358 5.12/6.233 5.492 ± 0.7645
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 ± 0.00002464 5.175 4.886/5.457 4.853 ± 1.085
3 1342 1342/1342 1342 ± 0.00003227 5.04 4.221/5.381 4.559 ± 1.188
5 1342 1342/1342 1342 ± 0.00002464 5.239 4.912/5.459 4.885 ± 1.117
6 1342 1342/1342 1342 ± 0.00002464 5.233 5.032/5.431 4.846 ± 1.075
7 1342 1342/1342 1342 ± 0.00002464 5.319 5.081/5.434 4.928 ± 1.085
8 1342 1342/1342 1342 ± 0.00002464 5.244 5.059/5.434 4.897 ± 1.092
9 1342 1342/1342 1342 ± 0.00002464 5.498 5.32/5.868 5.161 ± 1.165
10 1342 1342/1342 1342 ± 0.00002464 5.989 5.725/6.19 5.537 ± 1.257
11 1342 1342/1342 1342 ± 0.00002464 6.299 6.173/6.428 5.82 ± 1.308
12 1342 1342/1342 1342 ± 0.00002464 6.482 6.285/6.665 6.016 ± 1.37
13 1342 1342/1342 1342 ± 0.00002467 6.624 6.242/6.966 6.215 ± 1.415
14 1342 1342/1342 1342 ± 0.00002922 6.467 6.064/6.916 6.136 ± 1.427
15 1342 1342/1342 1342 ± 0.00002464 6.65 6.264/6.974 6.145 ± 1.443
16 1342 1342/1342 1342 ± 0.0000608 4.124 3.96/4.319 3.94 ± 0.7518
17 1342 1342/1342 1342 ± 0.00005941 4.266 4.096/4.463 4.077 ± 0.7857
vis
VLASS2.1.sb39020510.eb39074114.59177.52519034722_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
Start time
2025-01-11 05:26:19.716
End
2025-01-11 06:22:49.698
Duration
0:56:29.982
Note, WebLog generation is not included in the time.

CASA logs for stage 8