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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 6.015 5.823/6.854 6.362 ± 0.6556
ea02 1342 1342/1342 1342 ± 0 6.34 5.896/7.069 6.483 ± 0.7206
ea03 1342 1342/1342 1342 ± 0.00001695 5.539 5.224/6.757 5.88 ± 0.7872
ea04 1342 1342/1342 1342 ± 0 6.047 5.483/6.865 6.168 ± 0.7187
ea06 1342 1342/1342 1342 ± 0 6.62 5.676/6.787 6.323 ± 0.6929
ea07 1342 1342/1342 1342 ± 0 6.121 5.459/6.282 6.049 ± 0.5625
ea08 1342 1342/1342 1342 ± 0.000008159 6.301 5.818/7.111 6.53 ± 0.6962
ea09 1342 1342/1342 1342 ± 0 6.096 5.621/7.012 6.249 ± 0.7252
ea10 1342 1342/1342 1342 ± 0.00001558 6.211 5.625/6.917 6.294 ± 0.6504
ea11 1342 1342/1342 1342 ± 0 6.522 5.72/7.144 6.521 ± 0.7795
ea12 1342 1342/1342 1342 ± 0 6.374 5.782/7.044 6.49 ± 0.7365
ea13 1342 1342/1342 1342 ± 0 6.261 6.026/6.89 6.499 ± 0.5958
ea14 1342 1342/1342 1342 ± 0 6.486 5.695/6.998 6.416 ± 0.7792
ea15 1342 1342/1342 1342 ± 0 6.324 5.602/6.799 6.28 ± 0.7654
ea16 1342 1342/1342 1342 ± 0 6.444 5.87/6.937 6.492 ± 0.7185
ea17 1342 1342/1342 1342 ± 0 6.75 6.277/7.754 6.972 ± 0.7409
ea18 1342 1342/1342 1342 ± 0 5.052 4.687/5.452 5.067 ± 0.4891
ea19 1342 1342/1342 1342 ± 0 6.689 5.951/7.219 6.633 ± 0.7266
ea20 1342 1342/1342 1342 ± 0 6.361 5.844/7.255 6.475 ± 0.7295
ea21 1342 1342/1342 1342 ± 0 6.282 5.721/6.836 6.323 ± 0.6609
ea22 1342 1342/1342 1342 ± 0 6.672 5.744/7.088 6.514 ± 0.7499
ea23 1342 1342/1342 1342 ± 0 6.42 5.936/7.02 6.564 ± 0.7627
ea24 1342 1342/1342 1342 ± 0 6.199 5.442/6.871 6.149 ± 0.7118
ea25 1342 1342/1342 1342 ± 0 6.348 5.459/6.767 6.248 ± 0.8057
ea26 1342 1342/1342 1342 ± 0 6.375 5.858/7.233 6.496 ± 0.7209
ea27 1342 1342/1342 1342 ± 0 6.205 5.697/7.125 6.389 ± 0.7478
ea28 1342 1342/1342 1342 ± 0 6.196 5.797/7.008 6.419 ± 0.7256
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 ± 0.00002307 5.685 5.591/5.827 5.652 ± 0.3116
4 1342 1342/1342 1342 ± 0.00002367 5.552 5.291/5.629 5.467 ± 0.4101
5 1342 1342/1342 1342 ± 0.00002307 5.729 5.483/5.959 5.693 ± 0.3577
6 1342 1342/1342 1342 ± 0.00002307 5.64 5.535/5.852 5.647 ± 0.3072
7 1342 1342/1342 1342 ± 0.00002307 5.739 5.554/5.907 5.718 ± 0.2991
8 1342 1342/1342 1342 ± 0.00002307 5.717 5.468/5.881 5.688 ± 0.323
9 1342 1342/1342 1342 ± 0.00002307 6.034 5.902/6.186 6.009 ± 0.3478
10 1342 1342/1342 1342 ± 0.00002307 6.538 6.331/6.685 6.49 ± 0.361
11 1342 1342/1342 1342 ± 0.00002307 6.803 6.62/6.968 6.732 ± 0.3736
12 1342 1342/1342 1342 ± 0.00002307 6.942 6.763/7.088 6.891 ± 0.399
13 1342 1342/1342 1342 ± 0.00002307 7.451 7.232/7.62 7.391 ± 0.4167
14 1342 1342/1342 1342 ± 0.00002307 7.71 7.467/7.844 7.62 ± 0.411
15 1342 1342/1342 1342 ± 0.00002307 7.313 7.12/7.469 7.24 ± 0.3952
16 1342 1342/1342 1342 ± 0.00002307 6.452 6.317/6.755 6.481 ± 0.4167
17 1342 1342/1342 1342 ± 0.00002893 6.388 6.188/6.726 6.39 ± 0.4199
overwrite_modelcol
False
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-05-14 16:08:32.817
End
2025-05-14 17:05:55.606
Duration
0:57:22.788
Note, WebLog generation is not included in the time.

CASA logs for stage 8