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

Statwt Summary Plot

VLASS3.2.sb45661340.eb45880388.60435.82083380787_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 6.235 5.71/6.712 6.241 ± 0.6331
ea02 1342 1342/1342 1342 ± 0 6.416 5.755/6.588 6.36 ± 0.6142
ea03 1342 1342/1342 1342 ± 0 6.184 5.494/6.842 6.23 ± 0.7486
ea04 1342 1342/1342 1342 ± 0 5.685 5.196/6.036 5.689 ± 0.5356
ea05 1342 1342/1342 1342 ± 0.00002552 5.878 5.474/6.77 6.072 ± 0.6902
ea06 1342 1342/1342 1342 ± 0 6.05 5.111/6.181 5.799 ± 0.6339
ea07 1342 1342/1342 1342 ± 0 6.133 5.321/6.416 6.003 ± 0.6801
ea08 1342 1342/1342 1342 ± 0 6.587 5.718/6.954 6.485 ± 0.6746
ea09 1342 1342/1342 1342 ± 0.00002341 5.837 5.324/6.606 5.987 ± 0.6585
ea10 1342 1342/1342 1342 ± 0 5.66 5.137/6.118 5.672 ± 0.5634
ea11 1342 1342/1342 1342 ± 0.00002794 5.749 5.301/6.389 5.839 ± 0.6454
ea12 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea13 1342 1342/1342 1342 ± 0 5.778 5.617/6.392 6.004 ± 0.5358
ea14 1342 1342/1342 1342 ± 0 6.075 5.643/6.654 6.257 ± 0.5988
ea15 1342 1342/1342 1342 ± 0.00002391 6.133 5.69/6.75 6.259 ± 0.7377
ea16 1342 1342/1342 1342 ± 0 6.362 5.769/6.892 6.413 ± 0.742
ea17 1342 1342/1342 1342 ± 0 6.406 5.827/7.096 6.449 ± 0.6937
ea18 1342 1342/1342 1342 ± 0 6.467 5.886/7.069 6.409 ± 0.6527
ea19 1342 1342/1342 1342 ± 0 6.173 5.52/6.686 6.104 ± 0.6382
ea20 1342 1342/1342 1342 ± 0.00001839 6.086 5.767/6.903 6.325 ± 0.6009
ea21 1342 1342/1342 1342 ± 0 5.664 5.169/6.011 5.667 ± 0.5169
ea22 1342 1342/1342 1342 ± 0 6.397 5.832/6.785 6.305 ± 0.6297
ea23 1342 1342/1342 1342 ± 0 6.332 5.544/6.488 6.234 ± 0.6774
ea24 1342 1342/1342 1342 ± 0 6.074 5.492/6.756 6.1 ± 0.6364
ea25 1342 1342/1342 1342 ± 0 6.657 5.785/7.087 6.596 ± 0.8048
ea27 1342 1342/1342 1342 ± 0 6.148 5.476/6.639 6.099 ± 0.6529
ea28 1342 1342/1342 1342 ± 0.000003193 6.331 5.936/7.085 6.511 ± 0.6457
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 ± 0.00002358 5.555 5.392/5.755 5.57 ± 0.257
4 1342 1342/1342 1342 ± 0.00003534 5.252 5.073/5.577 5.297 ± 0.2529
5 1342 1342/1342 1342 ± 0.00002349 5.515 5.246/5.759 5.526 ± 0.3091
6 1342 1342/1342 1342 ± 0.00002349 5.511 5.197/5.644 5.451 ± 0.2927
7 1342 1342/1342 1342 ± 0.00002349 5.55 5.438/5.742 5.542 ± 0.2542
8 1342 1342/1342 1342 ± 0.00002349 5.511 5.315/5.712 5.477 ± 0.2801
9 1342 1342/1342 1342 ± 0.00002349 5.789 5.684/6.016 5.805 ± 0.2806
10 1342 1342/1342 1342 ± 0.00002349 6.315 6.138/6.394 6.255 ± 0.2547
11 1342 1342/1342 1342 ± 0.00002349 6.544 6.342/6.638 6.486 ± 0.2689
12 1342 1342/1342 1342 ± 0.00002349 6.7 6.368/6.883 6.636 ± 0.3218
13 1342 1342/1342 1342 ± 0.00002349 7.11 6.921/7.371 7.091 ± 0.3433
14 1342 1342/1342 1342 ± 0.00002349 7.371 7.113/7.536 7.299 ± 0.3613
15 1342 1342/1342 1342 ± 0.00002349 6.993 6.747/7.254 6.958 ± 0.3735
16 1342 1342/1342 1342 ± 0.00003686 6.228 5.911/6.574 6.253 ± 0.392
17 1342 1342/1342 1342 ± 0.00003441 6.272 6.056/6.487 6.234 ± 0.36
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms
Start time
2025-07-25 11:46:09.573
End
2025-07-25 12:44:36.956
Duration
0:58:27.383
Note, WebLog generation is not included in the time.

CASA logs for stage 8