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

Statwt Summary Plot

VLASS3.2.sb45489670.eb46132517.60459.18880607639_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 5.77 5.701/6.652 5.999 ± 0.7162
ea02 1342 1342/1342 1342 ± 0 6.111 5.619/6.528 6.121 ± 0.7449
ea03 1342 1342/1342 1342 ± 0 6.147 5.44/6.765 6.064 ± 0.7508
ea04 1342 1342/1342 1342 ± 0.00002021 5.428 5.065/6.052 5.471 ± 0.6118
ea05 1342 1342/1342 1342 ± 0.00001721 5.648 5.381/6.495 5.83 ± 0.7155
ea06 1342 1342/1342 1342 ± 0 5.678 5.115/6.096 5.683 ± 0.6628
ea07 1342 1342/1342 1342 ± 0 5.827 5.121/6.216 5.739 ± 0.7952
ea08 1342 1342/1342 1342 ± 0 6.04 5.508/6.682 6.096 ± 0.7272
ea09 1342 1342/1342 1342 ± 0.000001262 5.625 5.192/6.38 5.69 ± 0.6544
ea10 1342 1342/1342 1342 ± 0 5.428 5.269/6.228 5.647 ± 0.6053
ea11 1342 1342/1342 1342 ± 0.00004198 5.579 5.087/6.451 5.66 ± 0.8163
ea12 1342 1342/1342 1342 ± 0.00003794 5.498 5.342/6.334 5.683 ± 0.6731
ea14 1342 1342/1342 1342 ± 0.000003936 5.802 5.57/6.617 6.004 ± 0.6436
ea15 1342 1342/1342 1342 ± 0.00003112 5.834 5.678/6.774 6.087 ± 0.8046
ea16 1342 1342/1342 1342 ± 0 6.05 5.727/6.778 6.213 ± 0.7118
ea17 1342 1342/1342 1342 ± 0 6.147 5.701/7.146 6.269 ± 0.7112
ea18 1342 1342/1342 1342 ± 0 6.529 5.901/7.119 6.417 ± 0.761
ea19 1342 1342/1342 1342 ± 0.0000316 5.707 5.452/6.723 5.932 ± 0.7363
ea20 1342 1342/1342 1342 ± 0 6.278 5.997/7.109 6.427 ± 0.7505
ea22 1342 1342/1342 1342 ± 0 5.669 5.311/6.321 5.715 ± 0.6278
ea23 1342 1342/1342 1342 ± 0 5.736 5.525/6.463 5.975 ± 0.697
ea24 1342 1342/1342 1342 ± 0 6.265 5.34/6.642 5.971 ± 0.7673
ea25 1342 1342/1342 1342 ± 0 6.528 5.661/6.985 6.372 ± 0.8999
ea27 1342 1342/1342 1342 ± 0 5.666 5.497/6.584 5.88 ± 0.6966
ea28 1342 1342/1342 1342 ± 0 6.308 5.829/7.158 6.364 ± 0.7783
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 ± 0.00002405 5.506 5.326/5.717 5.539 ± 0.2739
3 1342 1342/1342 1342 ± 0.00002693 4.177 3.844/4.736 4.245 ± 0.4642
4 1342 1342/1342 1342 ± 0.00002881 4.79 4.601/4.949 4.779 ± 0.2954
5 1342 1342/1342 1342 ± 0.00002398 5.477 5.281/5.777 5.501 ± 0.3013
6 1342 1342/1342 1342 ± 0.00002398 5.463 5.262/5.682 5.454 ± 0.2565
7 1342 1342/1342 1342 ± 0.00002398 5.508 5.34/5.699 5.499 ± 0.2579
8 1342 1342/1342 1342 ± 0.00002398 5.478 5.241/5.676 5.461 ± 0.303
9 1342 1342/1342 1342 ± 0.00002398 5.763 5.571/5.966 5.764 ± 0.2951
10 1342 1342/1342 1342 ± 0.00002398 6.264 6.053/6.342 6.234 ± 0.2687
11 1342 1342/1342 1342 ± 0.00002398 6.496 6.176/6.612 6.466 ± 0.2864
12 1342 1342/1342 1342 ± 0.00002398 6.626 6.426/6.772 6.634 ± 0.3299
13 1342 1342/1342 1342 ± 0.00002398 7.09 6.885/7.353 7.096 ± 0.3556
14 1342 1342/1342 1342 ± 0.000024 7.024 6.719/7.363 7.049 ± 0.438
15 1342 1342/1342 1342 ± 0.00002398 6.872 6.587/7.141 6.855 ± 0.3209
16 1342 1342/1342 1342 ± 0.0000441 5.801 5.582/6.206 5.899 ± 0.4344
17 1342 1342/1342 1342 ± 0.00004619 5.785 5.592/6.175 5.865 ± 0.3741
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45489670.eb46132517.60459.18880607639_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-07-31 01:09:06.542
End
2025-07-31 01:54:44.399
Duration
0:45:37.857
Note, WebLog generation is not included in the time.

CASA logs for stage 8