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

Statwt Summary Plot

VLASS2.2.sb40880919.eb41034540.59559.16303170139_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 6.54 5.986/6.908 6.531 ± 0.6013
ea03 1342 1342/1342 1342 ± 0 5.714 5.224/6.74 5.94 ± 0.7274
ea04 1342 1342/1342 1342 ± 0 6.261 5.79/6.764 6.354 ± 0.6666
ea05 1342 1342/1342 1342 ± 0 6.158 5.881/7.061 6.405 ± 0.7135
ea06 1342 1342/1342 1342 ± 0 6.406 5.887/6.843 6.392 ± 0.5979
ea07 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea08 1342 1342/1342 1342 ± 0 6.157 5.76/6.772 6.279 ± 0.6023
ea09 1342 1342/1342 1342 ± 0 6.187 5.618/6.934 6.332 ± 0.692
ea10 1342 1342/1342 1342 ± 0 7.163 6.837/7.416 7.069 ± 0.4507
ea11 1342 1342/1342 1342 ± 0 6.229 5.645/6.88 6.329 ± 0.7266
ea12 1342 1342/1342 1342 ± 0 6.532 5.884/7.059 6.607 ± 0.7034
ea13 1342 1342/1342 1342 ± 0 5.799 5.384/6.128 5.863 ± 0.4278
ea14 1342 1342/1342 1342 ± 0 6.544 5.948/7.032 6.585 ± 0.6741
ea15 1342 1342/1342 1342 ± 0 6.009 5.49/6.601 6.093 ± 0.6476
ea16 1342 1342/1342 1342 ± 0 6.591 6.045/7.082 6.629 ± 0.714
ea17 1342 1342/1342 1342 ± 0 6.895 6.53/7.893 7.113 ± 0.7129
ea18 1342 1342/1342 1342 ± 0 5.223 4.848/5.607 5.257 ± 0.509
ea19 1342 1342/1342 1342 ± 0 6.622 6.084/7.333 6.708 ± 0.7003
ea20 1342 1342/1342 1342 ± 0 5.915 5.688/6.708 6.107 ± 0.6083
ea21 1342 1342/1342 1342 ± 0 5.523 5.308/6.069 5.719 ± 0.4723
ea22 1342 1342/1342 1342 ± 0 6.299 5.591/6.672 6.19 ± 0.5938
ea23 1342 1342/1342 1342 ± 0 6.288 5.978/6.932 6.512 ± 0.681
ea24 1342 1342/1342 1342 ± 0 6.133 5.405/6.599 6.006 ± 0.5908
ea25 1342 1342/1342 1342 ± 0.000003433 6.89 6.097/7.216 6.791 ± 0.785
ea26 1342 1342/1342 1342 ± 0 6.763 6.158/7.495 6.833 ± 0.7127
ea27 1342 1342/1342 1342 ± 0 6.064 5.743/7.057 6.38 ± 0.6581
ea28 1342 1342/1342 1342 ± 0 6.287 5.944/7.153 6.561 ± 0.6695
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 ± 0.00002393 5.921 5.697/6.175 5.863 ± 0.35
4 1342 1342/1342 1342 ± 0.00002393 5.481 5.238/5.819 5.51 ± 0.4369
5 1342 1342/1342 1342 ± 0.00002393 5.865 5.596/6.075 5.813 ± 0.379
6 1342 1342/1342 1342 ± 0.00002393 5.748 5.502/5.879 5.687 ± 0.3163
7 1342 1342/1342 1342 ± 0.00002393 5.821 5.635/5.949 5.776 ± 0.3263
8 1342 1342/1342 1342 ± 0.00002393 5.686 5.482/5.973 5.724 ± 0.3807
9 1342 1342/1342 1342 ± 0.00002393 6.061 5.773/6.296 6.025 ± 0.3819
10 1342 1342/1342 1342 ± 0.00002348 6.63 6.261/6.748 6.488 ± 0.373
11 1342 1342/1342 1342 ± 0.00002348 6.793 6.567/7.006 6.733 ± 0.3877
12 1342 1342/1342 1342 ± 0.00002348 6.926 6.675/7.098 6.862 ± 0.4567
13 1342 1342/1342 1342 ± 0.00002348 7.417 7.103/7.746 7.34 ± 0.5091
14 1342 1342/1342 1342 ± 0.00002348 7.562 7.292/7.876 7.536 ± 0.5116
15 1342 1342/1342 1342 ± 0.00002348 7.097 6.846/7.512 7.134 ± 0.4834
16 1342 1342/1342 1342 ± 0.00002348 6.335 6.059/6.748 6.399 ± 0.5149
17 1342 1342/1342 1342 ± 0.00002362 6.3 6.055/6.556 6.29 ± 0.4894
overwrite_modelcol
False
vis
VLASS2.2.sb40880919.eb41034540.59559.16303170139_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-06-12 03:45:02.846
End
2025-06-12 04:52:44.302
Duration
1:07:41.456
Note, WebLog generation is not included in the time.

CASA logs for stage 8