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 5.572 5.338/6.29 5.562 ± 0.9447
ea02 1342 1342/1342 1342 ± 0.00003963 5.613 5.303/6.487 5.617 ± 0.9384
ea03 1342 1342/1342 1342 ± 0.000003382 5.389 5.321/6.281 5.661 ± 0.7496
ea04 1342 1342/1342 1342 ± 0.00004522 5.225 4.757/6.094 5.236 ± 0.8255
ea05 1342 1342/1342 1342 ± 0.0000486 5.435 5.069/6.5 5.498 ± 0.9459
ea06 1342 1342/1342 1342 ± 0.00002072 5.086 4.801/6.068 5.212 ± 0.795
ea07 1342 1342/1342 1342 ± 0.00004133 5.223 5.071/6.324 5.441 ± 0.9482
ea08 1342 1342/1342 1342 ± 0.00002323 5.749 5.268/6.895 5.825 ± 1.081
ea09 1342 1342/1342 1342 ± 0.00004442 5.137 4.82/6.035 5.264 ± 0.8512
ea10 1342 1342/1342 1342 ± 0.00004402 5.042 4.699/5.978 5.088 ± 0.8302
ea11 1342 1342/1342 1342 ± 0.00005121 5.203 4.541/6.113 5.111 ± 0.9453
ea13 1342 1342/1342 1342 ± 0.000006207 5.429 5.285/6.315 5.594 ± 0.6344
ea14 1342 1342/1342 1342 ± 0.00004659 5.501 5.293/6.615 5.615 ± 0.9384
ea15 1342 1342/1342 1342 ± 0.00004978 5.517 5.185/6.62 5.578 ± 0.9897
ea16 1342 1342/1342 1342 ± 0.00001872 5.705 5.358/6.58 5.745 ± 0.9073
ea17 1342 1342/1342 1342 ± 0.00004157 5.727 5.209/6.681 5.748 ± 1.052
ea18 1342 1342/1342 1342 ± 0.00001401 5.88 5.59/6.961 5.951 ± 1.084
ea19 1342 1342/1342 1342 ± 0.00003657 5.416 5.265/6.454 5.5 ± 0.9095
ea20 1342 1342/1342 1342 ± 0.00002119 5.467 5.402/6.266 5.641 ± 0.7013
ea21 1342 1342/1342 1342 ± 0.000004928 5.114 4.863/5.663 5.168 ± 0.6064
ea22 1342 1342/1342 1342 ± 0.00003386 5.71 5.222/6.652 5.725 ± 1.02
ea23 1342 1342/1342 1342 ± 0.00004523 5.605 5.131/6.317 5.526 ± 0.9055
ea24 1342 1342/1342 1342 ± 0.000001241 5.208 5.1/6.521 5.599 ± 0.7418
ea25 1342 1342/1342 1342 ± 0.000009314 5.757 5.408/6.762 6.02 ± 0.8457
ea27 1342 1342/1342 1342 ± 0.00001166 5.265 4.834/6.305 5.408 ± 0.9039
ea28 1342 1342/1342 1342 ± 0 5.776 5.68/6.569 6.009 ± 0.7837
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 ± 0.0000235 5.323 5.052/5.413 5.25 ± 0.2669
5 1342 1342/1342 1342 ± 0.00002792 5.263 5.069/5.574 5.296 ± 0.361
6 1342 1342/1342 1342 ± 0.0000235 5.363 5.132/5.546 5.325 ± 0.2822
7 1342 1342/1342 1342 ± 0.0000235 5.359 5.146/5.55 5.314 ± 0.2713
8 1342 1342/1342 1342 ± 0.0000235 5.351 5.164/5.511 5.33 ± 0.2737
9 1342 1342/1342 1342 ± 0.0000235 5.504 5.348/5.77 5.532 ± 0.3055
10 1342 1342/1342 1342 ± 0.00002394 6.247 5.932/6.325 6.163 ± 0.3109
11 1342 1342/1342 1342 ± 0.00002349 6.494 6.279/6.652 6.451 ± 0.2813
12 1342 1342/1342 1342 ± 0.00002349 6.647 6.397/6.848 6.616 ± 0.3329
13 1342 1342/1342 1342 ± 0.0000236 6.736 6.44/6.96 6.72 ± 0.4039
14 1342 1342/1342 1342 ± 0.00005029 4.986 4.621/5.496 5.166 ± 0.7039
15 1342 1342/1342 1342 ± 0.00002349 6.632 6.13/6.96 6.548 ± 0.4955
16 1342 1342/1342 1342 ± 0.00006096 3.948 3.819/4.282 4.09 ± 0.4147
17 1342 1342/1342 1342 ± 0.00006094 3.826 3.653/4.196 3.93 ± 0.3852
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2025-07-19 17:57:39.391
End
2025-07-19 19:00:55.461
Duration
1:03:16.070
Note, WebLog generation is not included in the time.

CASA logs for stage 8