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

Statwt Summary Plot

VLASS2.1.sb38539731.eb38565870.59072.39593302083_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 5.899 5.306/6.097 5.748 ± 0.527
ea02 1342 1342/1342 1342 ± 0 5.958 5.44/6.59 6.071 ± 0.5972
ea05 1342 1342/1342 1342 ± 0 5.912 5.326/6.339 5.822 ± 0.5849
ea06 1342 1342/1342 1342 ± 0 4.963 4.811/5.337 5.065 ± 0.3242
ea07 1342 1342/1342 1342 ± 0 5.757 5.436/5.98 5.785 ± 0.4335
ea08 1342 1342/1342 1342 ± 0 6.056 5.592/6.797 6.235 ± 0.6203
ea09 1342 1342/1342 1342 ± 0 5.698 5.226/6.371 5.765 ± 0.5837
ea10 1342 1342/1342 1342 ± 0.0000186 5.809 5.275/6.553 5.899 ± 0.6553
ea11 1342 1342/1342 1342 ± 0 5.867 5.518/6.414 5.98 ± 0.5557
ea12 1342 1342/1342 1342 ± 0 5.952 5.378/6.434 5.982 ± 0.6208
ea13 1342 1342/1342 1342 ± 0 6.275 5.761/6.37 6.171 ± 0.46
ea14 1342 1342/1342 1342 ± 0 6.138 5.42/6.601 6.037 ± 0.671
ea15 1342 1342/1342 1342 ± 0 5.894 5.313/6.297 5.919 ± 0.6296
ea16 1342 1342/1342 1342 ± 0 5.292 5.132/5.373 5.239 ± 0.2352
ea17 1342 1342/1342 1342 ± 0 6.096 5.687/6.827 6.238 ± 0.6007
ea18 1342 1342/1342 1342 ± 0 5.274 4.853/5.77 5.311 ± 0.5256
ea19 1342 1342/1342 1342 ± 0 6.096 5.522/6.63 6.073 ± 0.5861
ea20 1342 1342/1342 1342 ± 0 6.384 5.807/6.867 6.336 ± 0.588
ea21 1342 1342/1342 1342 ± 0 5.695 5.42/6.29 5.86 ± 0.5288
ea22 1342 1342/1342 1342 ± 0 6.032 5.378/6.53 5.94 ± 0.6015
ea23 1342 1342/1342 1342 ± 0 5.921 5.515/6.605 6.086 ± 0.6439
ea25 1342 1342/1342 1342 ± 0 5.353 5.277/5.534 5.349 ± 0.1668
ea26 1342 1342/1342 1342 ± 0 5.805 5.547/6.516 5.974 ± 0.5078
ea27 1342 1342/1342 1342 ± 0.00003992 5.658 5.417/6.386 5.84 ± 0.5501
ea28 1342 1342/1342 1342 ± 0 5.745 5.504/6.578 6.009 ± 0.6264
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 ± 0.00002412 5.494 5.258/5.644 5.422 ± 0.2804
4 1342 1342/1342 1342 ± 0.00002412 5.378 5.008/5.456 5.293 ± 0.3352
5 1342 1342/1342 1342 ± 0.00002412 5.372 5.256/5.466 5.352 ± 0.2588
6 1342 1342/1342 1342 ± 0.00002412 5.416 5.272/5.541 5.388 ± 0.2523
7 1342 1342/1342 1342 ± 0.00002412 5.368 5.286/5.514 5.374 ± 0.2384
8 1342 1342/1342 1342 ± 0.00002412 5.382 5.176/5.512 5.346 ± 0.2698
9 1342 1342/1342 1342 ± 0.00002412 5.651 5.519/5.876 5.629 ± 0.3035
10 1342 1342/1342 1342 ± 0.00002511 6.096 5.905/6.237 6.051 ± 0.3061
11 1342 1342/1342 1342 ± 0.00002511 6.371 6.159/6.458 6.272 ± 0.3427
12 1342 1342/1342 1342 ± 0.00002511 6.468 6.293/6.605 6.406 ± 0.3535
13 1342 1342/1342 1342 ± 0.00002511 6.783 6.682/7.013 6.784 ± 0.3677
14 1342 1342/1342 1342 ± 0.00002511 7.03 6.786/7.182 6.96 ± 0.3917
15 1342 1342/1342 1342 ± 0.00002511 6.629 6.385/6.796 6.543 ± 0.3695
16 1342 1342/1342 1342 ± 0.00003448 5.96 5.788/6.214 5.937 ± 0.3206
17 1342 1342/1342 1342 ± 0.00003626 5.958 5.803/6.209 5.94 ± 0.3235
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38539731.eb38565870.59072.39593302083_split_split.ms
statwtmode
VLASS-SE
Start time
2024-05-01 05:11:50.086
End
2024-05-01 05:56:26.713
Duration
0:44:36.627
Note, WebLog generation is not included in the time.

CASA logs for stage 7