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 6.528 5.973/6.853 6.483 ± 0.5922
ea03 1342 1342/1342 1342 ± 0 5.71 5.196/6.716 5.912 ± 0.7217
ea04 1342 1342/1342 1342 ± 0 6.279 5.756/6.783 6.339 ± 0.6769
ea05 1342 1342/1342 1342 ± 0 6.206 5.862/7.077 6.401 ± 0.7275
ea06 1342 1342/1342 1342 ± 0 6.475 5.878/6.832 6.386 ± 0.6228
ea07 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea08 1342 1342/1342 1342 ± 0 6.064 5.654/6.714 6.21 ± 0.617
ea09 1342 1342/1342 1342 ± 0 6.193 5.553/6.906 6.277 ± 0.6837
ea10 1342 1342/1342 1342 ± 0 7.123 6.803/7.341 7.049 ± 0.4344
ea11 1342 1342/1342 1342 ± 0 6.288 5.616/6.883 6.339 ± 0.7254
ea12 1342 1342/1342 1342 ± 0 6.582 5.887/7.051 6.598 ± 0.7067
ea13 1342 1342/1342 1342 ± 0 5.863 5.51/6.238 5.944 ± 0.4234
ea14 1342 1342/1342 1342 ± 0 6.66 5.879/7.061 6.583 ± 0.7137
ea15 1342 1342/1342 1342 ± 0 6.069 5.462/6.622 6.093 ± 0.6611
ea16 1342 1342/1342 1342 ± 0 6.558 5.98/7.055 6.607 ± 0.7303
ea17 1342 1342/1342 1342 ± 0 6.903 6.438/7.886 7.108 ± 0.7327
ea18 1342 1342/1342 1342 ± 0 5.274 4.873/5.678 5.315 ± 0.5353
ea19 1342 1342/1342 1342 ± 0 6.756 6.049/7.31 6.701 ± 0.6972
ea20 1342 1342/1342 1342 ± 0 5.949 5.644/6.753 6.132 ± 0.6107
ea21 1342 1342/1342 1342 ± 0 5.505 5.255/6.055 5.695 ± 0.4786
ea22 1342 1342/1342 1342 ± 0 6.317 5.566/6.654 6.179 ± 0.614
ea23 1342 1342/1342 1342 ± 0 6.312 5.95/6.957 6.521 ± 0.6957
ea24 1342 1342/1342 1342 ± 0 6.154 5.492/6.656 6.068 ± 0.5731
ea25 1342 1342/1342 1342 ± 0 6.896 6.047/7.229 6.775 ± 0.8169
ea26 1342 1342/1342 1342 ± 0 6.771 6.129/7.489 6.828 ± 0.7239
ea27 1342 1342/1342 1342 ± 0 6.101 5.762/7.081 6.371 ± 0.6784
ea28 1342 1342/1342 1342 ± 0 6.268 5.945/7.15 6.546 ± 0.6728
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 5.791 5.593/6.106 5.791 ± 0.3368
4 1342 1342/1342 1342 ± 0.00002393 5.486 5.294/5.779 5.528 ± 0.4302
5 1342 1342/1342 1342 ± 0.00002393 5.856 5.535/5.972 5.756 ± 0.3597
6 1342 1342/1342 1342 ± 0.00002393 5.754 5.511/5.878 5.68 ± 0.3076
7 1342 1342/1342 1342 ± 0.00002393 5.812 5.569/5.947 5.75 ± 0.3194
8 1342 1342/1342 1342 ± 0.00002393 5.679 5.457/5.955 5.711 ± 0.3714
9 1342 1342/1342 1342 ± 0.00002393 6.039 5.783/6.271 6.009 ± 0.3651
10 1342 1342/1342 1342 ± 0.00002348 6.588 6.276/6.729 6.485 ± 0.354
11 1342 1342/1342 1342 ± 0.00002348 6.813 6.598/6.995 6.73 ± 0.3773
12 1342 1342/1342 1342 ± 0.00002348 6.881 6.687/7.085 6.865 ± 0.4393
13 1342 1342/1342 1342 ± 0.00002348 7.384 7.076/7.745 7.345 ± 0.4975
14 1342 1342/1342 1342 ± 0.00002348 7.594 7.261/7.902 7.539 ± 0.502
15 1342 1342/1342 1342 ± 0.00002348 7.11 6.873/7.517 7.146 ± 0.4604
16 1342 1342/1342 1342 ± 0.00002348 6.415 6.095/6.757 6.426 ± 0.4918
17 1342 1342/1342 1342 ± 0.00002348 6.333 6.078/6.7 6.347 ± 0.4885
datacolumn
residual_data
vis
VLASS2.2.sb40880919.eb41034540.59559.16303170139_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
Start time
2025-06-11 21:38:15.495
End
2025-06-11 22:04:56.080
Duration
0:26:40.584
Note, WebLog generation is not included in the time.

CASA logs for stage 8