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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.559 5.166/6.262 5.486 ± 1.084
ea02 1342 1342/1342 1342 ± 0.00003467 5.709 5.307/6.509 5.635 ± 1.012
ea03 1342 1342/1342 1342 ± 0 5.451 5.325/6.528 5.73 ± 0.8175
ea04 1342 1342/1342 1342 ± 0.00004917 5.265 4.923/6.102 5.24 ± 0.8922
ea05 1342 1342/1342 1342 ± 0.00005062 5.41 5.104/6.479 5.445 ± 1.039
ea06 1342 1342/1342 1342 ± 0.00002705 5.155 4.841/6.092 5.25 ± 0.8635
ea07 1342 1342/1342 1342 ± 0.0000416 5.25 5.113/6.314 5.454 ± 1.002
ea08 1342 1342/1342 1342 ± 0.00000951 5.906 5.589/6.899 5.928 ± 1.069
ea09 1342 1342/1342 1342 ± 0.00004839 5.155 4.796/6.154 5.205 ± 0.9328
ea10 1342 1342/1342 1342 ± 0.00004657 5.103 4.625/5.944 5.047 ± 0.8812
ea11 1342 1342/1342 1342 ± 0.00005177 5.148 4.465/6.092 5.028 ± 1.037
ea13 1342 1342/1342 1342 ± 0.00002538 5.442 5.227/6.285 5.537 ± 0.6964
ea14 1342 1342/1342 1342 ± 0.00004962 5.47 5.25/6.579 5.551 ± 1.029
ea15 1342 1342/1342 1342 ± 0.0000503 5.517 5.044/6.56 5.501 ± 1.07
ea16 1342 1342/1342 1342 ± 0.00002401 5.875 5.419/6.572 5.789 ± 1.018
ea17 1342 1342/1342 1342 ± 0.00004262 5.709 5.406/6.672 5.748 ± 1.153
ea18 1342 1342/1342 1342 ± 0.000009773 6.026 5.682/6.978 6.069 ± 1.054
ea19 1342 1342/1342 1342 ± 0.00004394 5.438 5.311/6.443 5.493 ± 0.9827
ea20 1342 1342/1342 1342 ± 0.0000386 5.532 5.415/6.333 5.608 ± 0.8196
ea21 1342 1342/1342 1342 ± 0.000005997 5.102 4.86/5.795 5.191 ± 0.6429
ea22 1342 1342/1342 1342 ± 0.00002283 5.891 5.335/6.678 5.788 ± 1.04
ea23 1342 1342/1342 1342 ± 0.00004865 5.547 5.142/6.304 5.471 ± 1.002
ea24 1342 1342/1342 1342 ± 0.00001617 5.169 5.018/5.973 5.495 ± 0.7154
ea25 1342 1342/1342 1342 ± 0.0000129 5.893 5.421/7.004 6.06 ± 0.9575
ea27 1342 1342/1342 1342 ± 0.00001777 5.257 5.077/6.498 5.439 ± 0.9587
ea28 1342 1342/1342 1342 ± 0.000002269 5.76 5.608/6.789 5.915 ± 0.8205
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 5.341 5.081/5.445 5.27 ± 0.2825
5 1342 1342/1342 1342 ± 0.00002854 5.32 5.055/5.563 5.355 ± 0.4019
6 1342 1342/1342 1342 ± 0.00002349 5.372 5.141/5.543 5.324 ± 0.2858
7 1342 1342/1342 1342 ± 0.00002349 5.354 5.167/5.555 5.318 ± 0.2696
8 1342 1342/1342 1342 ± 0.00002349 5.337 5.15/5.534 5.325 ± 0.2772
9 1342 1342/1342 1342 ± 0.00002349 5.515 5.357/5.779 5.549 ± 0.3091
10 1342 1342/1342 1342 ± 0.00002393 6.218 5.933/6.292 6.147 ± 0.3021
11 1342 1342/1342 1342 ± 0.00002349 6.487 6.262/6.64 6.443 ± 0.2837
12 1342 1342/1342 1342 ± 0.00002349 6.625 6.402/6.838 6.611 ± 0.3359
13 1342 1342/1342 1342 ± 0.00002361 6.721 6.425/7.049 6.736 ± 0.4269
14 1342 1342/1342 1342 ± 0.00005684 5.166 4.711/5.792 5.316 ± 0.7447
15 1342 1342/1342 1342 ± 0.00002349 6.735 6.29/7.108 6.681 ± 0.491
16 1342 1342/1342 1342 ± 0.00006046 3.696 3.531/4.086 3.842 ± 0.4672
17 1342 1342/1342 1342 ± 0.00006051 3.627 3.411/3.977 3.704 ± 0.3873
output_dir
 
statwtmode
VLASS-SE
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-19 04:43:48.093
End
2025-07-19 05:36:24.270
Duration
0:52:36.178
Note, WebLog generation is not included in the time.

CASA logs for stage 8