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

Statwt Summary Plot

VLASS3.2.sb45520569.eb45733624.60429.987892812496_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 5.957 5.493/6.294 5.909 ± 0.6406
ea02 1342 1342/1342 1342 ± 0.000006129 6.404 5.774/6.513 6.342 ± 0.618
ea03 1342 1342/1342 1342 ± 0.00000221 6.081 5.472/6.655 6.137 ± 0.6718
ea04 1342 1342/1342 1342 ± 0.00001775 5.467 4.997/5.855 5.44 ± 0.603
ea05 1342 1342/1342 1342 ± 0.00001288 5.814 5.353/6.517 5.901 ± 0.7009
ea06 1342 1342/1342 1342 ± 0.000001537 6.031 5.122/6.188 5.741 ± 0.7378
ea07 1342 1342/1342 1342 ± 0 6.064 5.307/6.255 5.89 ± 0.77
ea08 1342 1342/1342 1342 ± 0.000001538 6.563 5.694/6.802 6.368 ± 0.7163
ea09 1342 1342/1342 1342 ± 0.000005275 5.897 5.211/6.384 5.872 ± 0.6345
ea10 1342 1342/1342 1342 ± 0.000004068 5.5 5.189/6.083 5.575 ± 0.6485
ea11 1342 1342/1342 1342 ± 0.00002393 5.395 5.169/6.171 5.586 ± 0.6848
ea12 1342 1342/1342 1342 ± 0.000002213 5.537 5.421/6.298 5.787 ± 0.5709
ea13 1342 1342/1342 1342 ± 0 6.228 5.593/6.3 6.061 ± 0.6278
ea14 1342 1342/1342 1342 ± 0.000003767 6.047 5.699/6.593 6.123 ± 0.7008
ea15 1342 1342/1342 1342 ± 0.00002064 5.293 4.87/5.569 5.296 ± 0.4753
ea16 1342 1342/1342 1342 ± 0 6.299 5.699/6.636 6.294 ± 0.6633
ea17 1342 1342/1342 1342 ± 0 6.256 5.845/7.054 6.356 ± 0.7002
ea18 1342 1342/1342 1342 ± 0.000001551 6.605 6.006/7.27 6.57 ± 0.7396
ea19 1342 1342/1342 1342 ± 0.000001538 5.924 5.516/6.642 6.003 ± 0.6676
ea20 1342 1342/1342 1342 ± 0 6.327 5.725/6.764 6.297 ± 0.5572
ea21 1342 1342/1342 1342 ± 0 5.519 5.166/5.914 5.61 ± 0.4935
ea22 1342 1342/1342 1342 ± 0 6.487 5.92/6.938 6.39 ± 0.6595
ea23 1342 1342/1342 1342 ± 0.000005636 5.966 5.554/6.346 6.043 ± 0.6417
ea24 1342 1342/1342 1342 ± 0 6.127 5.34/6.493 5.973 ± 0.6076
ea25 1342 1342/1342 1342 ± 0 6.576 5.752/6.945 6.544 ± 0.7782
ea27 1342 1342/1342 1342 ± 0 5.887 5.376/6.426 5.915 ± 0.5841
ea28 1342 1342/1342 1342 ± 0 6.381 5.831/6.944 6.408 ± 0.6461
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 ± 0.00002312 5.509 5.309/5.743 5.54 ± 0.2945
3 1342 1342/1342 1342 ± 0.00003397 4.583 4.222/4.987 4.61 ± 0.4868
5 1342 1342/1342 1342 ± 0.00002312 5.464 5.209/5.669 5.441 ± 0.3586
6 1342 1342/1342 1342 ± 0.00002312 5.383 5.184/5.695 5.397 ± 0.328
7 1342 1342/1342 1342 ± 0.00002312 5.524 5.222/5.684 5.478 ± 0.284
8 1342 1342/1342 1342 ± 0.00002312 5.427 5.136/5.675 5.394 ± 0.3119
9 1342 1342/1342 1342 ± 0.00002312 5.671 5.537/5.935 5.698 ± 0.3295
10 1342 1342/1342 1342 ± 0.00002312 6.127 6/6.356 6.123 ± 0.3132
11 1342 1342/1342 1342 ± 0.00002312 6.366 6.098/6.555 6.317 ± 0.3177
12 1342 1342/1342 1342 ± 0.00002312 6.493 6.264/6.758 6.473 ± 0.3824
13 1342 1342/1342 1342 ± 0.00002312 7.032 6.606/7.21 6.931 ± 0.3855
14 1342 1342/1342 1342 ± 0.00002312 7.19 6.883/7.52 7.128 ± 0.4203
15 1342 1342/1342 1342 ± 0.00002312 6.88 6.545/7.239 6.807 ± 0.426
16 1342 1342/1342 1342 ± 0.00003407 6.157 5.778/6.51 6.133 ± 0.4521
17 1342 1342/1342 1342 ± 0.00002351 6.191 5.841/6.477 6.134 ± 0.4536
datacolumn
residual_data
output_dir
 
vis
VLASS3.2.sb45520569.eb45733624.60429.987892812496_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-30 01:04:02.800
End
2025-07-30 01:36:59.364
Duration
0:32:56.563
Note, WebLog generation is not included in the time.

CASA logs for stage 8