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

Statwt Summary Plot

VLASS2.1.sb38536469.eb38590168.59084.87988079861_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 5.243 4.976/5.68 5.354 ± 0.4914
ea02 1342 1342/1342 1342 ± 0 5.364 4.976/6.02 5.525 ± 0.605
ea04 1342 1342/1342 1342 ± 0 5.096 4.788/5.611 5.238 ± 0.4837
ea05 1342 1342/1342 1342 ± 0 5.544 5.083/6.089 5.599 ± 0.5908
ea06 1342 1342/1342 1342 ± 0 4.91 4.694/5.324 5.019 ± 0.3861
ea07 1342 1342/1342 1342 ± 0 5.564 5.127/5.853 5.601 ± 0.5277
ea08 1342 1342/1342 1342 ± 0.000003855 5.391 5.127/6.143 5.653 ± 0.6182
ea09 1342 1342/1342 1342 ± 0 5.279 4.805/5.846 5.337 ± 0.598
ea10 1342 1342/1342 1342 ± 0 5.239 4.786/5.888 5.306 ± 0.5622
ea11 1342 1342/1342 1342 ± 0 5.432 4.863/5.865 5.429 ± 0.5623
ea12 1342 1342/1342 1342 ± 0 5.484 5.096/5.932 5.605 ± 0.5441
ea13 1342 1342/1342 1342 ± 0 5.535 5.28/5.953 5.669 ± 0.5131
ea14 1342 1342/1342 1342 ± 0 5.559 5.075/6.082 5.623 ± 0.6206
ea15 1342 1342/1342 1342 ± 0 5.241 4.783/5.768 5.349 ± 0.6074
ea16 1342 1342/1342 1342 ± 0 5.853 5.355/6.409 5.96 ± 0.7051
ea17 1342 1342/1342 1342 ± 0.000004659 5.579 5.203/6.035 5.681 ± 0.5787
ea18 1342 1342/1342 1342 ± 0 4.789 4.465/5.215 4.874 ± 0.4713
ea19 1342 1342/1342 1342 ± 0 5.673 5.237/6.286 5.827 ± 0.6238
ea20 1342 1342/1342 1342 ± 0 5.776 5.397/6.344 5.867 ± 0.6111
ea21 1342 1342/1342 1342 ± 0 5.379 5.076/5.945 5.506 ± 0.5382
ea22 1342 1342/1342 1342 ± 0 5.227 4.935/5.993 5.436 ± 0.6137
ea23 1342 1342/1342 1342 ± 0 5.744 5.255/6.271 5.802 ± 0.6187
ea25 1342 1342/1342 1342 ± 0 5.26 4.911/5.69 5.34 ± 0.5305
ea26 1342 1342/1342 1342 ± 0 5.438 5.088/6.167 5.602 ± 0.6499
ea27 1342 1342/1342 1342 ± 0.00002468 5.185 4.936/6.001 5.39 ± 0.5581
ea28 1342 1342/1342 1342 ± 0.00002078 5.339 5.038/5.977 5.502 ± 0.5884
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 ± 0.00002349 5.072 4.903/5.269 5.072 ± 0.2122
3 1342 1342/1342 1342 ± 0.00002395 4.79 4.689/5.119 4.873 ± 0.2679
4 1342 1342/1342 1342 ± 0.00002349 4.81 4.753/5.041 4.878 ± 0.2457
5 1342 1342/1342 1342 ± 0.00002349 5.015 4.797/5.168 5.011 ± 0.2593
6 1342 1342/1342 1342 ± 0.00002349 4.982 4.805/5.128 4.963 ± 0.2351
7 1342 1342/1342 1342 ± 0.00002349 5.022 4.882/5.224 5.031 ± 0.2158
8 1342 1342/1342 1342 ± 0.00002349 5.038 4.82/5.189 5 ± 0.2458
9 1342 1342/1342 1342 ± 0.00002349 5.321 5.158/5.497 5.275 ± 0.277
10 1342 1342/1342 1342 ± 0.00002349 5.746 5.598/5.869 5.682 ± 0.2712
11 1342 1342/1342 1342 ± 0.00002349 5.95 5.779/6.059 5.881 ± 0.274
12 1342 1342/1342 1342 ± 0.00002349 6.038 5.871/6.254 6.017 ± 0.3056
13 1342 1342/1342 1342 ± 0.00002349 6.403 6.275/6.563 6.406 ± 0.3365
14 1342 1342/1342 1342 ± 0.00002349 6.586 6.38/6.762 6.559 ± 0.3554
15 1342 1342/1342 1342 ± 0.00002349 6.251 6.062/6.439 6.203 ± 0.3481
16 1342 1342/1342 1342 ± 0.00002925 5.585 5.311/5.745 5.588 ± 0.3251
17 1342 1342/1342 1342 ± 0.00002944 5.513 5.346/5.792 5.586 ± 0.3058
output_dir
 
vis
VLASS2.1.sb38536469.eb38590168.59084.87988079861_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-12-18 08:54:26.052
End
2024-12-18 10:05:10.579
Duration
1:10:44.527
Note, WebLog generation is not included in the time.

CASA logs for stage 8