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

Statwt Summary Plot

VLASS2.2.sb40869292.eb40982614.59542.13818863426_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 6.145 5.851/6.807 6.259 ± 0.768
ea03 1342 1342/1342 1342 ± 0.00000543 5.756 5.246/6.385 5.824 ± 0.6863
ea04 1342 1342/1342 1342 ± 0.000005055 5.651 5.282/6.08 5.76 ± 0.5088
ea05 1342 1342/1342 1342 ± 0 6.036 5.549/6.61 6.107 ± 0.6747
ea06 1342 1342/1342 1342 ± 0 6.031 5.639/6.426 6.09 ± 0.5381
ea07 1342 1342/1342 1342 ± 0 5.994 5.493/6.102 5.962 ± 0.5018
ea08 1342 1342/1342 1342 ± 0.000003053 6.242 5.66/6.558 6.23 ± 0.647
ea09 1342 1342/1342 1342 ± 0.000001248 5.969 5.506/6.724 6.131 ± 0.6895
ea10 1342 1342/1342 1342 ± 0 5.898 5.545/6.63 6.045 ± 0.6154
ea11 1342 1342/1342 1342 ± 0 6.189 5.479/6.639 6.153 ± 0.7016
ea12 1342 1342/1342 1342 ± 0 6.06 5.698/6.679 6.207 ± 0.7757
ea13 1342 1342/1342 1342 ± 0 6.06 5.904/6.359 6.169 ± 0.4576
ea14 1342 1342/1342 1342 ± 0 5.924 5.579/6.559 6.094 ± 0.6342
ea15 1342 1342/1342 1342 ± 0 5.517 5.13/5.926 5.562 ± 0.5895
ea16 1342 1342/1342 1342 ± 0 6.2 5.858/6.705 6.291 ± 0.6746
ea17 1342 1342/1342 1342 ± 0 6.588 6.234/7.364 6.794 ± 0.6501
ea18 1342 1342/1342 1342 ± 0 5.13 4.886/5.601 5.265 ± 0.4944
ea19 1342 1342/1342 1342 ± 0 6.214 5.889/6.92 6.428 ± 0.6699
ea20 1342 1342/1342 1342 ± 0 5.749 5.58/6.413 5.96 ± 0.6263
ea21 1342 1342/1342 1342 ± 0 5.702 5.509/6.314 5.888 ± 0.5379
ea22 1342 1342/1342 1342 ± 0 5.908 5.462/6.483 6.019 ± 0.6292
ea23 1342 1342/1342 1342 ± 0 6.153 5.816/6.574 6.278 ± 0.6555
ea24 1342 1342/1342 1342 ± 0 6.006 5.327/6.419 5.89 ± 0.5495
ea25 1342 1342/1342 1342 ± 0 6.277 5.72/6.615 6.312 ± 0.731
ea26 1342 1342/1342 1342 ± 0 6.328 5.866/6.972 6.458 ± 0.6427
ea27 1342 1342/1342 1342 ± 0 5.815 5.511/6.632 6.028 ± 0.6629
ea28 1342 1342/1342 1342 ± 0 6.044 5.671/6.664 6.217 ± 0.6631
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 5.707 5.477/5.922 5.701 ± 0.2751
3 1342 1342/1342 1342 ± 0.00002437 5.191 4.995/5.38 5.165 ± 0.3905
4 1342 1342/1342 1342 ± 0.00002312 5.427 5.278/5.729 5.498 ± 0.382
5 1342 1342/1342 1342 ± 0.00002312 5.638 5.385/5.8 5.611 ± 0.3428
6 1342 1342/1342 1342 ± 0.00002312 5.591 5.393/5.798 5.569 ± 0.2579
7 1342 1342/1342 1342 ± 0.00002312 5.604 5.426/5.807 5.598 ± 0.2695
8 1342 1342/1342 1342 ± 0.00002312 5.526 5.311/5.69 5.52 ± 0.3055
9 1342 1342/1342 1342 ± 0.00002312 5.819 5.587/6 5.789 ± 0.3047
10 1342 1342/1342 1342 ± 0.00002312 6.282 6.103/6.418 6.184 ± 0.3077
11 1342 1342/1342 1342 ± 0.00002312 6.424 6.312/6.607 6.403 ± 0.2985
12 1342 1342/1342 1342 ± 0.00002312 6.587 6.357/6.701 6.55 ± 0.3582
13 1342 1342/1342 1342 ± 0.00002312 7.045 6.808/7.343 7.04 ± 0.3868
14 1342 1342/1342 1342 ± 0.00002312 7.274 7.104/7.571 7.272 ± 0.3908
15 1342 1342/1342 1342 ± 0.00002312 6.933 6.715/7.233 6.939 ± 0.373
16 1342 1342/1342 1342 ± 0.00002312 6.223 5.982/6.601 6.298 ± 0.4035
17 1342 1342/1342 1342 ± 0.00002312 6.165 6.021/6.505 6.229 ± 0.3795
vis
VLASS2.2.sb40869292.eb40982614.59542.13818863426_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-04-23 13:12:58.328
End
2025-04-23 14:11:25.256
Duration
0:58:26.928
Note, WebLog generation is not included in the time.

CASA logs for stage 8