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

Statwt Summary Plot

VLASS3.2.sb45459544.eb46165741.60472.10038270833_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 5.45 5.137/6.183 5.49 ± 0.9378
ea02 1342 1342/1342 1342 ± 0.00001842 5.613 5.238/6.368 5.612 ± 0.9336
ea03 1342 1342/1342 1342 ± 0.000002747 5.287 5.197/6.652 5.719 ± 0.8855
ea04 1342 1342/1342 1342 ± 0.00005145 5.086 4.747/5.971 5.075 ± 0.8721
ea05 1342 1342/1342 1342 ± 0.00005031 5.327 5.027/6.385 5.358 ± 0.9796
ea06 1342 1342/1342 1342 ± 0.00002522 4.989 4.83/6.029 5.341 ± 0.7992
ea07 1342 1342/1342 1342 ± 0.00002763 5.112 4.93/6.227 5.243 ± 1.143
ea08 1342 1342/1342 1342 ± 0.000002919 5.674 5.213/6.704 5.713 ± 1.077
ea09 1342 1342/1342 1342 ± 0.00004837 5.012 4.735/5.989 5.14 ± 0.782
ea10 1342 1342/1342 1342 ± 0.00004822 5.046 4.649/6.015 5.13 ± 0.8487
ea11 1342 1342/1342 1342 ± 0.00005132 5.208 4.498/6.217 5.067 ± 1.063
ea12 1342 1342/1342 1342 ± 0.00004585 5.067 4.806/5.891 5.074 ± 0.8532
ea14 1342 1342/1342 1342 ± 0.00005067 5.471 5.259/6.467 5.544 ± 0.8829
ea15 1342 1342/1342 1342 ± 0.00005159 5.442 5.361/6.573 5.587 ± 0.9921
ea16 1342 1342/1342 1342 ± 0.00002399 5.731 5.269/6.617 5.774 ± 0.9512
ea17 1342 1342/1342 1342 ± 0.00003574 5.55 5.2/6.477 5.511 ± 1.148
ea18 1342 1342/1342 1342 ± 0 5.7 5.414/6.777 5.817 ± 0.9958
ea19 1342 1342/1342 1342 ± 0.00004276 5.14 4.988/6.304 5.346 ± 0.9334
ea20 1342 1342/1342 1342 ± 0.00004072 5.852 5.486/6.686 5.824 ± 1.009
ea21 1342 1342/1342 1342 ± 0.000005626 5.082 4.938/5.917 5.329 ± 0.6949
ea22 1342 1342/1342 1342 ± 0.000004457 5.593 5.078/6.403 5.483 ± 1.02
ea23 1342 1342/1342 1342 ± 0.00004952 5.49 5.084/6.328 5.522 ± 0.9017
ea24 1342 1342/1342 1342 ± 0.000003884 5.146 5.068/6.253 5.57 ± 0.7713
ea25 1342 1342/1342 1342 ± 0.00001148 5.498 5.368/6.859 6.051 ± 0.9959
ea27 1342 1342/1342 1342 ± 0.00001589 5.245 5.042/6.354 5.498 ± 0.805
ea28 1342 1342/1342 1342 ± 0.00001344 5.625 5.561/6.765 5.92 ± 0.821
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 ± 0.00002354 5.108 4.945/5.248 5.132 ± 0.2553
3 1342 1342/1342 1342 ± 0.00003672 3.509 2.938/3.949 3.467 ± 0.5628
4 1342 1342/1342 1342 ± 0.00006103 3.659 3.536/3.847 3.674 ± 0.2305
5 1342 1342/1342 1342 ± 0.00002369 5.114 4.981/5.439 5.175 ± 0.3111
6 1342 1342/1342 1342 ± 0.00002354 5.214 4.983/5.47 5.212 ± 0.2805
7 1342 1342/1342 1342 ± 0.00002354 5.25 5.01/5.401 5.222 ± 0.2542
8 1342 1342/1342 1342 ± 0.00002354 5.218 5.049/5.473 5.232 ± 0.2849
9 1342 1342/1342 1342 ± 0.00002354 5.499 5.337/5.746 5.526 ± 0.3008
10 1342 1342/1342 1342 ± 0.00002354 6.095 5.936/6.226 6.085 ± 0.283
11 1342 1342/1342 1342 ± 0.00002354 6.376 6.162/6.503 6.361 ± 0.2809
12 1342 1342/1342 1342 ± 0.00002354 6.552 6.263/6.654 6.515 ± 0.3162
13 1342 1342/1342 1342 ± 0.00002357 6.83 6.436/7.145 6.809 ± 0.3714
14 1342 1342/1342 1342 ± 0.00004965 5.998 5.62/6.415 6.08 ± 0.6211
15 1342 1342/1342 1342 ± 0.00002354 6.731 6.288/6.998 6.676 ± 0.3653
16 1342 1342/1342 1342 ± 0.00006098 4.141 3.931/4.64 4.294 ± 0.4519
17 1342 1342/1342 1342 ± 0.00006103 4.265 4.091/4.606 4.349 ± 0.3491
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
statwtmode
VLASS-SE
Start time
2025-07-23 07:03:56.733
End
2025-07-23 07:58:35.395
Duration
0:54:38.662
Note, WebLog generation is not included in the time.

CASA logs for stage 8