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

Statwt Summary Plot

VLASS2.1.sb38619750.eb38664746.59114.89728754629_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 5.495 5.19/6.039 5.65 ± 0.5394
ea02 1342 1342/1342 1342 ± 0.000001841 5.666 5.303/6.401 5.887 ± 0.6355
ea03 1342 1342/1342 1342 ± 0 5.288 4.67/5.933 5.343 ± 0.6646
ea04 1342 1342/1342 1342 ± 0 5.444 5.076/6.073 5.613 ± 0.5791
ea05 1342 1342/1342 1342 ± 0 5.735 5.249/6.207 5.795 ± 0.5822
ea06 1342 1342/1342 1342 ± 0 5.175 4.853/5.611 5.245 ± 0.4488
ea07 1342 1342/1342 1342 ± 0 5.926 5.336/6.161 5.895 ± 0.5854
ea08 1342 1342/1342 1342 ± 0.00000994 5.901 5.495/6.689 6.119 ± 0.6831
ea09 1342 1342/1342 1342 ± 0 5.664 5.19/6.306 5.756 ± 0.6436
ea10 1342 1342/1342 1342 ± 0.000001063 5.868 5.192/6.526 5.865 ± 0.6946
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.716 5.24/6.385 5.896 ± 0.6714
ea13 1342 1342/1342 1342 ± 0 5.971 5.755/6.481 6.17 ± 0.5248
ea14 1342 1342/1342 1342 ± 0 5.773 5.231/6.371 5.851 ± 0.6785
ea15 1342 1342/1342 1342 ± 0 5.682 5.245/6.311 5.857 ± 0.6703
ea16 1342 1342/1342 1342 ± 0 6.029 5.549/6.65 6.165 ± 0.7054
ea17 1342 1342/1342 1342 ± 0.00002995 5.858 5.437/6.417 6.007 ± 0.6405
ea18 1342 1342/1342 1342 ± 0 4.968 4.642/5.459 5.055 ± 0.5372
ea19 1342 1342/1342 1342 ± 0 5.931 5.473/6.657 6.13 ± 0.6559
ea20 1342 1342/1342 1342 ± 0 5.945 5.57/6.53 6.101 ± 0.6271
ea21 1342 1342/1342 1342 ± 0 5.686 5.305/6.247 5.815 ± 0.5722
ea22 1342 1342/1342 1342 ± 0 5.48 5.202/6.339 5.73 ± 0.6713
ea23 1342 1342/1342 1342 ± 0 5.95 5.359/6.388 6.003 ± 0.6962
ea25 1342 1342/1342 1342 ± 0.000001841 5.598 5.216/6.142 5.737 ± 0.5915
ea26 1342 1342/1342 1342 ± 0 5.889 5.531/6.658 6.108 ± 0.6969
ea27 1342 1342/1342 1342 ± 0.000006386 5.522 5.21/6.338 5.716 ± 0.6054
ea28 1342 1342/1342 1342 ± 0.00004017 5.712 5.371/6.418 5.917 ± 0.6753
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 ± 0.00002353 5.308 5.174/5.57 5.321 ± 0.2748
3 1342 1342/1342 1342 ± 0.00002463 5.236 4.998/5.396 5.213 ± 0.2926
4 1342 1342/1342 1342 ± 0.00002378 5.17 5.082/5.363 5.175 ± 0.3008
5 1342 1342/1342 1342 ± 0.00002353 5.276 5.053/5.399 5.236 ± 0.3093
6 1342 1342/1342 1342 ± 0.00002353 5.227 5.049/5.389 5.197 ± 0.3146
7 1342 1342/1342 1342 ± 0.00002353 5.271 5.19/5.453 5.279 ± 0.2428
8 1342 1342/1342 1342 ± 0.00002353 5.301 5.07/5.45 5.244 ± 0.26
9 1342 1342/1342 1342 ± 0.00002353 5.571 5.45/5.786 5.544 ± 0.2915
10 1342 1342/1342 1342 ± 0.00002353 6.022 5.866/6.162 5.994 ± 0.2999
11 1342 1342/1342 1342 ± 0.00002353 6.305 6.092/6.39 6.22 ± 0.303
12 1342 1342/1342 1342 ± 0.00002398 6.453 6.239/6.596 6.382 ± 0.3185
13 1342 1342/1342 1342 ± 0.00002353 6.825 6.734/7.063 6.808 ± 0.3385
14 1342 1342/1342 1342 ± 0.00002353 7.048 6.818/7.256 6.957 ± 0.3719
15 1342 1342/1342 1342 ± 0.00002353 6.729 6.419/6.874 6.636 ± 0.37
16 1342 1342/1342 1342 ± 0.00003805 6.019 5.711/6.276 5.995 ± 0.3352
17 1342 1342/1342 1342 ± 0.00003421 6.006 5.761/6.263 5.995 ± 0.3392
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38619750.eb38664746.59114.89728754629_split_split.ms
Start time
2025-01-04 07:25:21.792
End
2025-01-04 08:44:07.986
Duration
1:18:46.194
Note, WebLog generation is not included in the time.

CASA logs for stage 8