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

Statwt Summary Plot

VLASS2.2.sb40493634.eb40941789.59520.06707907407_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 6.144 5.745/6.702 6.26 ± 0.6025
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.84 5.387/6.395 5.975 ± 0.6237
ea06 1342 1342/1342 1342 ± 0 6.195 5.62/6.488 6.118 ± 0.5698
ea07 1342 1342/1342 1342 ± 0 6.237 5.6/6.448 6.183 ± 0.6114
ea08 1342 1342/1342 1342 ± 0 6.081 5.866/6.802 6.329 ± 0.6146
ea09 1342 1342/1342 1342 ± 0 5.983 5.516/6.776 6.144 ± 0.6559
ea10 1342 1342/1342 1342 ± 0 6.098 5.681/6.844 6.235 ± 0.6226
ea11 1342 1342/1342 1342 ± 0 6.118 5.488/6.685 6.183 ± 0.6962
ea12 1342 1342/1342 1342 ± 0 6.274 5.713/6.765 6.339 ± 0.6767
ea13 1342 1342/1342 1342 ± 0 5.986 5.908/6.492 6.19 ± 0.5205
ea14 1342 1342/1342 1342 ± 0 6.45 5.899/6.919 6.499 ± 0.6749
ea15 1342 1342/1342 1342 ± 0 5.791 5.216/6.134 5.733 ± 0.6261
ea16 1342 1342/1342 1342 ± 0 6.422 5.83/6.916 6.495 ± 0.7425
ea17 1342 1342/1342 1342 ± 0 6.647 6.078/7.416 6.72 ± 0.6908
ea18 1342 1342/1342 1342 ± 0 5.116 4.751/5.522 5.162 ± 0.5246
ea19 1342 1342/1342 1342 ± 0 6.407 5.951/7.14 6.547 ± 0.7059
ea20 1342 1342/1342 1342 ± 0 6.052 5.833/6.974 6.341 ± 0.6384
ea21 1342 1342/1342 1342 ± 0.000012 6.071 5.667/6.676 6.219 ± 0.6192
ea22 1342 1342/1342 1342 ± 0 6.349 5.734/6.742 6.258 ± 0.6645
ea23 1342 1342/1342 1342 ± 0 6.186 5.816/6.86 6.411 ± 0.6864
ea24 1342 1342/1342 1342 ± 0 5.818 5.182/6.314 5.731 ± 0.5682
ea26 1342 1342/1342 1342 ± 0 6.318 5.894/7.06 6.422 ± 0.6604
ea27 1342 1342/1342 1342 ± 0 5.948 5.755/7.102 6.302 ± 0.7323
ea28 1342 1342/1342 1342 ± 0 6.081 5.868/7.023 6.456 ± 0.7075
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 ± 0.00002446 5.688 5.594/5.893 5.686 ± 0.3004
4 1342 1342/1342 1342 ± 0.00003013 5.436 5.152/5.585 5.314 ± 0.3876
5 1342 1342/1342 1342 ± 0.00002446 5.745 5.421/5.855 5.648 ± 0.3451
6 1342 1342/1342 1342 ± 0.00002446 5.665 5.461/5.793 5.599 ± 0.2816
7 1342 1342/1342 1342 ± 0.00002446 5.67 5.519/5.857 5.643 ± 0.2898
8 1342 1342/1342 1342 ± 0.00002446 5.608 5.472/5.856 5.577 ± 0.3232
9 1342 1342/1342 1342 ± 0.00002446 5.958 5.737/6.098 5.859 ± 0.3314
10 1342 1342/1342 1342 ± 0.00002446 6.417 6.28/6.513 6.311 ± 0.3409
11 1342 1342/1342 1342 ± 0.00002446 6.578 6.46/6.802 6.549 ± 0.3491
12 1342 1342/1342 1342 ± 0.00002446 6.759 6.482/6.968 6.703 ± 0.3877
13 1342 1342/1342 1342 ± 0.00002446 7.185 6.976/7.501 7.172 ± 0.4135
14 1342 1342/1342 1342 ± 0.00002446 7.428 7.181/7.692 7.384 ± 0.4084
15 1342 1342/1342 1342 ± 0.00002446 7.146 6.888/7.398 7.074 ± 0.399
16 1342 1342/1342 1342 ± 0.00002446 6.232 6.085/6.465 6.268 ± 0.3817
17 1342 1342/1342 1342 ± 0.000026 6.172 5.995/6.35 6.143 ± 0.3257
datacolumn
residual_data
vis
VLASS2.2.sb40493634.eb40941789.59520.06707907407_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-04-18 11:23:59.834
End
2025-04-18 12:09:09.819
Duration
0:45:09.985
Note, WebLog generation is not included in the time.

CASA logs for stage 8