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

Statwt Summary Plot

VLASS2.1.sb38504727.eb38659863.59113.352947384265_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 5.907 5.744/6.749 6.246 ± 0.6861
ea02 1342 1342/1342 1342 ± 0.00004777 6.218 5.768/7.098 6.42 ± 0.8353
ea04 1342 1342/1342 1342 ± 0.00003696 5.35 5.213/6.157 5.69 ± 0.6133
ea05 1342 1342/1342 1342 ± 0.00002193 5.525 5.19/6.41 5.791 ± 0.6824
ea06 1342 1342/1342 1342 ± 0.00004213 4.898 4.753/5.493 5.142 ± 0.4581
ea07 1342 1342/1342 1342 ± 0.00003757 6.135 5.734/6.619 6.302 ± 0.7449
ea08 1342 1342/1342 1342 ± 0.00003996 6.329 5.964/7.458 6.72 ± 0.9218
ea09 1342 1342/1342 1342 ± 0.00003118 5.958 5.489/6.736 6.07 ± 0.7328
ea10 1342 1342/1342 1342 ± 0.00004384 6.309 5.802/7.241 6.463 ± 0.8153
ea11 1342 1342/1342 1342 ± 0.00004096 6.083 5.531/6.963 6.297 ± 0.8768
ea12 1342 1342/1342 1342 ± 0.00004231 5.892 5.409/6.611 6.033 ± 0.7729
ea13 1342 1342/1342 1342 ± 0.00001503 5.853 5.682/6.54 6.202 ± 0.6695
ea14 1342 1342/1342 1342 ± 0.00004225 5.716 5.464/6.703 6.054 ± 0.7728
ea15 1342 1342/1342 1342 ± 0.0000344 5.517 5.316/6.511 5.974 ± 0.7726
ea16 1342 1342/1342 1342 ± 0.00003087 6.039 5.701/6.948 6.272 ± 0.8275
ea17 1342 1342/1342 1342 ± 0.00004156 6.324 6.036/7.624 6.664 ± 0.9018
ea18 1342 1342/1342 1342 ± 0.00004485 5.457 5.077/5.962 5.515 ± 0.5468
ea19 1342 1342/1342 1342 ± 0.00002354 5.853 5.614/6.848 6.15 ± 0.748
ea20 1342 1342/1342 1342 ± 0.00004287 5.994 5.821/7.052 6.335 ± 0.7788
ea21 1342 1342/1342 1342 ± 0.00003838 5.588 5.394/6.457 5.888 ± 0.7159
ea22 1342 1342/1342 1342 ± 0.00003809 5.661 5.393/6.817 6.012 ± 0.75
ea23 1342 1342/1342 1342 ± 0.00003721 6.003 5.679/6.894 6.305 ± 0.8619
ea25 1342 1342/1342 1342 ± 0.00004166 6.019 5.862/6.919 6.314 ± 0.8003
ea26 1342 1342/1342 1342 ± 0.00003045 6.045 5.866/7.182 6.415 ± 0.7899
ea27 1342 1342/1342 1342 ± 0.00003776 6.027 5.869/7.096 6.354 ± 0.7407
ea28 1342 1342/1342 1342 ± 0.00004006 6.289 5.992/7.22 6.565 ± 0.8432
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 ± 0.00002349 5.75 5.417/5.916 5.687 ± 0.3272
5 1342 1342/1342 1342 ± 0.00003678 5.587 5.437/5.798 5.599 ± 0.2594
6 1342 1342/1342 1342 ± 0.00002402 5.652 5.406/5.878 5.624 ± 0.3381
7 1342 1342/1342 1342 ± 0.00002357 5.724 5.46/5.901 5.658 ± 0.3369
8 1342 1342/1342 1342 ± 0.00002357 5.687 5.342/5.883 5.601 ± 0.3596
9 1342 1342/1342 1342 ± 0.00002626 5.84 5.516/6.064 5.788 ± 0.3934
10 1342 1342/1342 1342 ± 0.00002349 6.464 6.103/6.66 6.36 ± 0.4054
11 1342 1342/1342 1342 ± 0.00002349 6.6 6.506/6.916 6.608 ± 0.4229
12 1342 1342/1342 1342 ± 0.00002394 6.85 6.505/7.097 6.772 ± 0.4489
13 1342 1342/1342 1342 ± 0.00002349 7.257 7.053/7.566 7.239 ± 0.4308
14 1342 1342/1342 1342 ± 0.00002349 7.449 7.264/7.739 7.414 ± 0.4902
15 1342 1342/1342 1342 ± 0.00002483 6.977 6.834/7.213 6.929 ± 0.5112
16 1342 1342/1342 1342 ± 0.00005004 5.005 4.896/5.125 5.002 ± 0.1712
17 1342 1342/1342 1342 ± 0.00005407 5.278 5.131/5.394 5.249 ± 0.2076
datacolumn
residual_data
vis
VLASS2.1.sb38504727.eb38659863.59113.352947384265_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
Start time
2025-01-07 02:00:00.651
End
2025-01-07 02:55:14.592
Duration
0:55:13.940
Note, WebLog generation is not included in the time.

CASA logs for stage 8