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

Statwt Summary Plot

VLASS3.2.sb45486206.eb46169366.60475.03141015046_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 5.422 4.983/6.102 5.316 ± 1.083
ea02 1342 1342/1342 1342 ± 0.00004282 5.157 4.884/6.225 5.307 ± 1.025
ea03 1342 1342/1342 1342 ± 0.000003664 5.095 4.907/6.035 5.251 ± 0.7152
ea04 1342 1342/1342 1342 ± 0.00004779 4.971 4.501/5.797 4.921 ± 0.8727
ea05 1342 1342/1342 1342 ± 0.00005059 5.273 4.965/6.158 5.213 ± 1.033
ea06 1342 1342/1342 1342 ± 0.00002058 4.769 4.604/5.707 4.923 ± 0.7854
ea07 1342 1342/1342 1342 ± 0.00003991 5.015 4.756/5.925 5.118 ± 0.9141
ea08 1342 1342/1342 1342 ± 0.00001776 5.367 5.07/6.523 5.491 ± 1.085
ea09 1342 1342/1342 1342 ± 0.00004623 5.039 4.698/5.95 5.012 ± 0.9111
ea10 1342 1342/1342 1342 ± 0.00004933 2.497 2.027/2.713 2.36 ± 0.3382
ea11 1342 1342/1342 1342 ± 0.00005274 5.207 4.548/6.087 5.071 ± 1.087
ea12 1342 1342/1342 1342 ± 0.0000457 4.996 4.388/5.655 4.866 ± 0.9131
ea14 1342 1342/1342 1342 ± 0.00004817 5.379 4.997/6.264 5.272 ± 1.018
ea15 1342 1342/1342 1342 ± 0.00004924 5.385 4.817/6.508 5.392 ± 1.114
ea16 1342 1342/1342 1342 ± 0.00001993 5.245 4.842/6.174 5.336 ± 0.9301
ea17 1342 1342/1342 1342 ± 0.00004171 5.579 5.143/6.492 5.535 ± 1.121
ea18 1342 1342/1342 1342 ± 0.00001202 5.469 5.156/6.391 5.502 ± 0.9998
ea19 1342 1342/1342 1342 ± 0.00003721 5.201 4.898/6.097 5.163 ± 0.9809
ea20 1342 1342/1342 1342 ± 0.00002887 5.698 5.302/6.464 5.733 ± 0.8937
ea21 1342 1342/1342 1342 ± 0.000003231 4.702 4.545/5.298 4.784 ± 0.5751
ea22 1342 1342/1342 1342 ± 0.00002806 5.322 4.916/6.184 5.303 ± 0.973
ea23 1342 1342/1342 1342 ± 0.00004624 5.463 4.925/6.233 5.288 ± 1.01
ea24 1342 1342/1342 1342 ± 0.00000507 5.008 4.686/5.827 5.24 ± 0.6965
ea25 1342 1342/1342 1342 ± 0.000009161 5.361 5.1/6.139 5.525 ± 0.7625
ea27 1342 1342/1342 1342 ± 0.00001435 5.036 4.493/5.915 5.067 ± 0.9063
ea28 1342 1342/1342 1342 ± 0.000002071 5.601 5.432/6.583 5.756 ± 0.8006
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 ± 0.00002398 5.08 4.865/5.224 5.04 ± 0.304
5 1342 1342/1342 1342 ± 0.00003619 4.887 4.693/5.219 4.931 ± 0.3498
6 1342 1342/1342 1342 ± 0.00002444 4.985 4.834/5.289 5.037 ± 0.2855
7 1342 1342/1342 1342 ± 0.00002398 5.112 4.973/5.31 5.156 ± 0.2606
8 1342 1342/1342 1342 ± 0.00002398 5.087 4.911/5.294 5.11 ± 0.2969
9 1342 1342/1342 1342 ± 0.00002398 5.383 5.104/5.586 5.346 ± 0.2979
10 1342 1342/1342 1342 ± 0.00002372 5.954 5.63/6.037 5.8 ± 0.5379
11 1342 1342/1342 1342 ± 0.00002372 6.181 5.962/6.286 6.091 ± 0.5518
12 1342 1342/1342 1342 ± 0.00002372 6.372 6.197/6.49 6.261 ± 0.5843
13 1342 1342/1342 1342 ± 0.00002408 6.386 6.09/6.697 6.313 ± 0.6655
14 1342 1342/1342 1342 ± 0.00005215 4.527 4.177/4.998 4.631 ± 0.7008
15 1342 1342/1342 1342 ± 0.00002372 6.378 6.03/6.622 6.253 ± 0.7335
16 1342 1342/1342 1342 ± 0.0000609 3.496 3.312/3.758 3.59 ± 0.4874
17 1342 1342/1342 1342 ± 0.00006061 3.423 3.224/3.683 3.486 ± 0.4152
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms
overwrite_modelcol
False
Start time
2025-07-22 23:11:27.050
End
2025-07-23 00:15:14.235
Duration
1:03:47.185
Note, WebLog generation is not included in the time.

CASA logs for stage 8