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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.375 4.974/6.25 5.354 ± 1.085
ea02 1342 1342/1342 1342 ± 0.00004109 5.451 5.144/6.51 5.492 ± 1.04
ea03 1342 1342/1342 1342 ± 0.000005264 5.296 5.144/6.261 5.519 ± 0.8276
ea04 1342 1342/1342 1342 ± 0.00004891 4.982 4.579/5.983 5.018 ± 0.8907
ea05 1342 1342/1342 1342 ± 0.00005152 5.182 4.96/6.394 5.285 ± 1.053
ea06 1342 1342/1342 1342 ± 0.00002699 4.773 4.613/5.902 4.983 ± 0.867
ea07 1342 1342/1342 1342 ± 0.00004201 5.032 4.929/6.296 5.284 ± 1.026
ea08 1342 1342/1342 1342 ± 0.00002776 5.781 5.117/6.84 5.71 ± 1.155
ea09 1342 1342/1342 1342 ± 0.00004762 5.083 4.771/6.072 5.12 ± 0.9729
ea10 1342 1342/1342 1342 ± 0.00004632 4.892 4.501/5.878 4.882 ± 0.9138
ea11 1342 1342/1342 1342 ± 0.00005294 5.113 4.35/6.077 4.99 ± 1.055
ea13 1342 1342/1342 1342 ± 0.00001953 5.313 5.041/6.216 5.389 ± 0.7461
ea14 1342 1342/1342 1342 ± 0.00005036 5.418 5.072/6.461 5.449 ± 1.096
ea15 1342 1342/1342 1342 ± 0.00005044 5.442 5.09/6.709 5.528 ± 1.111
ea16 1342 1342/1342 1342 ± 0.00002587 5.707 5.221/6.499 5.595 ± 1.01
ea17 1342 1342/1342 1342 ± 0.00004294 5.553 5.178/6.67 5.585 ± 1.169
ea18 1342 1342/1342 1342 ± 0.00001734 5.736 5.405/6.888 5.795 ± 1.137
ea19 1342 1342/1342 1342 ± 0.00004163 5.186 4.922/6.337 5.279 ± 1.015
ea20 1342 1342/1342 1342 ± 0.00003454 5.257 5.152/6.159 5.39 ± 0.8421
ea21 1342 1342/1342 1342 ± 0.000006347 5.151 4.865/5.688 5.137 ± 0.6718
ea22 1342 1342/1342 1342 ± 0.00003609 5.572 5.049/6.515 5.504 ± 1.078
ea23 1342 1342/1342 1342 ± 0.00004768 5.453 5.025/6.418 5.407 ± 1.06
ea24 1342 1342/1342 1342 ± 0.00001241 5.082 4.977/5.964 5.388 ± 0.7699
ea25 1342 1342/1342 1342 ± 0.00001524 5.742 5.188/6.685 5.871 ± 0.9434
ea27 1342 1342/1342 1342 ± 0.00001989 5.071 4.647/6.242 5.214 ± 0.9824
ea28 1342 1342/1342 1342 ± 0.000002955 5.561 5.439/6.529 5.787 ± 0.8794
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 ± 0.00002377 5.071 4.902/5.2 5.021 ± 0.2858
5 1342 1342/1342 1342 ± 0.00003424 5.142 4.933/5.44 5.174 ± 0.3894
6 1342 1342/1342 1342 ± 0.00002365 5.148 4.985/5.406 5.159 ± 0.278
7 1342 1342/1342 1342 ± 0.00002365 5.22 5.05/5.399 5.177 ± 0.2667
8 1342 1342/1342 1342 ± 0.00002365 5.145 4.979/5.414 5.172 ± 0.2897
9 1342 1342/1342 1342 ± 0.00002365 5.376 5.215/5.714 5.431 ± 0.3301
10 1342 1342/1342 1342 ± 0.00002409 6.156 5.953/6.3 6.11 ± 0.2949
11 1342 1342/1342 1342 ± 0.00002363 6.423 6.252/6.536 6.403 ± 0.2795
12 1342 1342/1342 1342 ± 0.00002363 6.576 6.354/6.769 6.569 ± 0.3257
13 1342 1342/1342 1342 ± 0.00002402 6.601 6.269/6.848 6.589 ± 0.4213
14 1342 1342/1342 1342 ± 0.00005591 4.679 4.344/5.246 4.841 ± 0.6516
15 1342 1342/1342 1342 ± 0.00002363 6.538 6.058/6.902 6.496 ± 0.4846
16 1342 1342/1342 1342 ± 0.00006009 3.585 3.439/3.923 3.71 ± 0.4065
17 1342 1342/1342 1342 ± 0.00005965 3.45 3.274/3.74 3.52 ± 0.3499
output_dir
 
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-07-19 13:32:51.213
End
2025-07-19 14:36:02.416
Duration
1:03:11.203
Note, WebLog generation is not included in the time.

CASA logs for stage 8