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 5.5 5.017/6.123 5.401 ± 0.9674
ea02 1342 1342/1342 1342 ± 0.00002362 5.174 5.094/6.194 5.403 ± 0.9452
ea03 1342 1342/1342 1342 ± 0.000001824 5.086 4.964/6.105 5.351 ± 0.6666
ea04 1342 1342/1342 1342 ± 0.00004685 5.01 4.56/5.887 5.043 ± 0.7857
ea05 1342 1342/1342 1342 ± 0.00004906 5.303 4.885/6.194 5.29 ± 0.9206
ea06 1342 1342/1342 1342 ± 0.00002272 4.807 4.654/5.795 5.029 ± 0.7145
ea07 1342 1342/1342 1342 ± 0.00003614 5.05 4.783/5.928 5.227 ± 0.8284
ea08 1342 1342/1342 1342 ± 0.000004471 5.521 5.279/6.532 5.593 ± 0.9534
ea09 1342 1342/1342 1342 ± 0.00004481 5.083 4.795/5.981 5.119 ± 0.8332
ea10 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea11 1342 1342/1342 1342 ± 0.00005213 5.17 4.47/6.087 5.124 ± 0.9921
ea12 1342 1342/1342 1342 ± 0.00004526 5.061 4.5/5.766 5.016 ± 0.8306
ea14 1342 1342/1342 1342 ± 0.00004636 5.415 5.121/6.305 5.4 ± 0.8824
ea15 1342 1342/1342 1342 ± 0.00004855 5.496 4.985/6.528 5.505 ± 1.018
ea16 1342 1342/1342 1342 ± 0.00001963 5.544 5.033/6.214 5.457 ± 0.8399
ea17 1342 1342/1342 1342 ± 0.00003844 5.612 5.273/6.491 5.672 ± 0.988
ea18 1342 1342/1342 1342 ± 0.000002624 5.508 5.329/6.396 5.619 ± 0.9031
ea19 1342 1342/1342 1342 ± 0.00003449 5.224 4.837/6.127 5.246 ± 0.8915
ea20 1342 1342/1342 1342 ± 0.00002341 5.766 5.541/6.535 5.933 ± 0.7909
ea21 1342 1342/1342 1342 ± 0 4.736 4.572/5.317 4.854 ± 0.5329
ea22 1342 1342/1342 1342 ± 0.0000109 5.337 4.927/6.228 5.362 ± 0.9058
ea23 1342 1342/1342 1342 ± 0.00004372 5.412 4.957/6.196 5.397 ± 0.8845
ea24 1342 1342/1342 1342 ± 0.000003158 5.168 4.931/6.218 5.427 ± 0.6876
ea25 1342 1342/1342 1342 ± 0.000004821 5.351 5.101/6.401 5.608 ± 0.746
ea27 1342 1342/1342 1342 ± 0.00001257 5.062 4.714/6.034 5.155 ± 0.8296
ea28 1342 1342/1342 1342 ± 0 5.691 5.534/6.548 5.88 ± 0.7091
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 ± 0.000024 5.13 4.913/5.298 5.125 ± 0.3005
5 1342 1342/1342 1342 ± 0.0000319 5.008 4.779/5.289 5.017 ± 0.3541
6 1342 1342/1342 1342 ± 0.00002447 5 4.895/5.309 5.081 ± 0.2884
7 1342 1342/1342 1342 ± 0.000024 5.15 5.049/5.333 5.189 ± 0.2626
8 1342 1342/1342 1342 ± 0.000024 5.102 4.92/5.39 5.142 ± 0.3017
9 1342 1342/1342 1342 ± 0.000024 5.53 5.192/5.683 5.425 ± 0.3025
10 1342 1342/1342 1342 ± 0.000024 6.002 5.711/6.084 5.898 ± 0.2937
11 1342 1342/1342 1342 ± 0.000024 6.205 6.105/6.354 6.186 ± 0.2823
12 1342 1342/1342 1342 ± 0.000024 6.382 6.247/6.478 6.362 ± 0.331
13 1342 1342/1342 1342 ± 0.00002403 6.499 6.237/6.811 6.496 ± 0.3945
14 1342 1342/1342 1342 ± 0.00004871 4.914 4.552/5.469 5.076 ± 0.6769
15 1342 1342/1342 1342 ± 0.000024 6.363 6.103/6.609 6.342 ± 0.4063
16 1342 1342/1342 1342 ± 0.00006098 3.771 3.617/4.054 3.92 ± 0.4465
17 1342 1342/1342 1342 ± 0.000061 3.729 3.569/3.948 3.823 ± 0.3743
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms
Start time
2025-07-22 10:47:09.730
End
2025-07-22 11:08:32.009
Duration
0:21:22.279
Note, WebLog generation is not included in the time.

CASA logs for stage 8