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

Statwt Summary Plot

VLASS2.1.sb38547417.eb38659598.59111.3291737963_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 5.532 5.478/6.29 5.831 ± 0.6002
ea02 1342 1342/1342 1342 ± 0.00003703 6.044 5.536/6.771 6.145 ± 0.7644
ea04 1342 1342/1342 1342 ± 0.00001829 5.35 4.994/5.938 5.456 ± 0.5962
ea05 1342 1342/1342 1342 ± 0.000008556 5.468 5.117/6.324 5.725 ± 0.6571
ea06 1342 1342/1342 1342 ± 0.00002529 4.864 4.748/5.307 4.936 ± 0.4431
ea07 1342 1342/1342 1342 ± 0.00003627 6.076 5.66/6.413 6.132 ± 0.7586
ea08 1342 1342/1342 1342 ± 0.00003703 6.265 5.764/7.066 6.369 ± 0.8027
ea09 1342 1342/1342 1342 ± 0.00000589 5.809 5.345/6.599 5.824 ± 0.7653
ea10 1342 1342/1342 1342 ± 0.00003628 5.929 5.538/6.88 6.085 ± 0.8301
ea11 1342 1342/1342 1342 ± 0.00002005 5.988 5.442/6.769 6.041 ± 0.9139
ea12 1342 1342/1342 1342 ± 0.0000241 5.671 5.425/6.587 5.903 ± 0.8404
ea13 1342 1342/1342 1342 ± 0.000001143 6.097 5.918/6.603 6.18 ± 0.7541
ea14 1342 1342/1342 1342 ± 0.000007129 5.679 5.345/6.588 5.961 ± 0.7253
ea15 1342 1342/1342 1342 ± 0.00001835 5.528 5.265/6.372 5.801 ± 0.7568
ea16 1342 1342/1342 1342 ± 0.00001166 6.064 5.684/6.839 6.239 ± 0.8332
ea17 1342 1342/1342 1342 ± 0.00003665 6.072 5.644/7.177 6.223 ± 0.8301
ea18 1342 1342/1342 1342 ± 0.00001651 5.077 4.819/5.76 5.201 ± 0.6049
ea19 1342 1342/1342 1342 ± 0 5.77 5.567/6.729 6.062 ± 0.7487
ea20 1342 1342/1342 1342 ± 0.000004571 5.97 5.801/7.027 6.184 ± 0.873
ea21 1342 1342/1342 1342 ± 0.00001086 5.616 5.304/6.365 5.837 ± 0.6809
ea22 1342 1342/1342 1342 ± 0.00003147 5.529 5.161/6.37 5.706 ± 0.747
ea23 1342 1342/1342 1342 ± 0.00003191 5.946 5.684/6.798 6.172 ± 0.8593
ea25 1342 1342/1342 1342 ± 0.00003516 5.82 5.535/6.589 5.9 ± 0.761
ea26 1342 1342/1342 1342 ± 0 6.054 5.78/7.084 6.239 ± 0.8451
ea27 1342 1342/1342 1342 ± 0.00003665 5.752 5.302/6.699 5.926 ± 0.7391
ea28 1342 1342/1342 1342 ± 0.00003703 5.875 5.682/6.791 6.166 ± 0.7354
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 ± 0.0000235 5.544 5.36/5.778 5.55 ± 0.2819
5 1342 1342/1342 1342 ± 0.0000235 5.548 5.335/5.797 5.556 ± 0.3485
6 1342 1342/1342 1342 ± 0.00002363 5.545 5.358/5.666 5.493 ± 0.345
7 1342 1342/1342 1342 ± 0.0000235 5.537 5.476/5.783 5.519 ± 0.2932
8 1342 1342/1342 1342 ± 0.0000235 5.537 5.289/5.733 5.499 ± 0.3412
9 1342 1342/1342 1342 ± 0.0000235 5.773 5.525/6.068 5.75 ± 0.3725
10 1342 1342/1342 1342 ± 0.0000235 6.207 6.039/6.416 6.172 ± 0.3782
11 1342 1342/1342 1342 ± 0.0000235 6.523 6.359/6.668 6.412 ± 0.3872
12 1342 1342/1342 1342 ± 0.0000235 6.597 6.363/6.808 6.499 ± 0.5162
13 1342 1342/1342 1342 ± 0.0000235 7.056 6.844/7.252 7.003 ± 0.4167
14 1342 1342/1342 1342 ± 0.0000235 7.177 6.837/7.421 7.08 ± 0.4811
15 1342 1342/1342 1342 ± 0.0000235 6.883 6.667/7.187 6.811 ± 0.5198
16 1342 1342/1342 1342 ± 0.00005962 4.717 4.554/4.842 4.689 ± 0.2297
17 1342 1342/1342 1342 ± 0.00005791 4.788 4.628/4.902 4.759 ± 0.2393
datacolumn
residual_data
vis
VLASS2.1.sb38547417.eb38659598.59111.3291737963_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-11-19 11:38:38.339
End
2024-11-19 12:47:38.034
Duration
1:08:59.695
Note, WebLog generation is not included in the time.

CASA logs for stage 8