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

Statwt Summary Plot

VLASS3.2.sb45459544.eb46165741.60472.10038270833_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 5.396 5.037/6.16 5.398 ± 1.016
ea02 1342 1342/1342 1342 ± 0.00003531 5.412 5.149/6.326 5.433 ± 1.047
ea03 1342 1342/1342 1342 ± 0.00000777 5.233 5.11/6.583 5.615 ± 0.9053
ea04 1342 1342/1342 1342 ± 0.0000485 5.116 4.887/5.997 5.138 ± 0.8157
ea05 1342 1342/1342 1342 ± 0.00005297 5.26 4.921/6.353 5.27 ± 1.075
ea06 1342 1342/1342 1342 ± 0.00002135 4.899 4.701/5.885 5.185 ± 0.7987
ea07 1342 1342/1342 1342 ± 0.00004487 5.085 4.898/6.219 5.289 ± 1.04
ea08 1342 1342/1342 1342 ± 0.00002003 5.698 5.373/6.654 5.78 ± 0.9805
ea09 1342 1342/1342 1342 ± 0.00005086 4.932 4.58/5.908 4.93 ± 0.8936
ea10 1342 1342/1342 1342 ± 0.00005143 4.961 4.549/5.991 4.969 ± 0.9224
ea11 1342 1342/1342 1342 ± 0.00005271 5.166 4.399/6.138 5.04 ± 1.039
ea12 1342 1342/1342 1342 ± 0.00004658 5.048 4.798/5.845 5.045 ± 0.8803
ea14 1342 1342/1342 1342 ± 0.00005277 5.35 5.064/6.4 5.387 ± 0.9912
ea15 1342 1342/1342 1342 ± 0.00005365 5.39 4.959/6.509 5.417 ± 1.097
ea16 1342 1342/1342 1342 ± 0.00001525 5.647 4.807/6.56 5.606 ± 0.9942
ea17 1342 1342/1342 1342 ± 0.00004958 5.484 5.139/6.444 5.512 ± 1.036
ea18 1342 1342/1342 1342 ± 0.00001752 5.644 5.367/6.701 5.715 ± 1.033
ea19 1342 1342/1342 1342 ± 0.00004387 5.129 4.996/6.215 5.353 ± 0.9094
ea20 1342 1342/1342 1342 ± 0.00004542 5.698 5.326/6.784 5.685 ± 1.071
ea21 1342 1342/1342 1342 ± 0.000001351 5.059 4.881/5.841 5.275 ± 0.66
ea22 1342 1342/1342 1342 ± 0.00003038 5.557 5.066/6.386 5.454 ± 1.027
ea23 1342 1342/1342 1342 ± 0.00005172 5.327 5.024/6.289 5.377 ± 1.007
ea24 1342 1342/1342 1342 ± 0.00001379 5.053 4.745/6.139 5.355 ± 0.8555
ea25 1342 1342/1342 1342 ± 0.000004165 5.463 5.216/6.818 5.916 ± 1.006
ea27 1342 1342/1342 1342 ± 0.00001265 5.162 4.919/6.275 5.33 ± 0.8712
ea28 1342 1342/1342 1342 ± 0.00001246 5.537 5.343/6.678 5.707 ± 0.9344
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 ± 0.00002354 5.098 4.9/5.235 5.075 ± 0.2686
4 1342 1342/1342 1342 ± 0.00006056 3.518 3.362/3.682 3.524 ± 0.2248
5 1342 1342/1342 1342 ± 0.00002497 5.053 4.885/5.336 5.108 ± 0.3459
6 1342 1342/1342 1342 ± 0.00002354 5.143 4.903/5.402 5.155 ± 0.2774
7 1342 1342/1342 1342 ± 0.00002354 5.174 4.986/5.367 5.173 ± 0.2553
8 1342 1342/1342 1342 ± 0.00002354 5.169 4.997/5.448 5.186 ± 0.2845
9 1342 1342/1342 1342 ± 0.00002354 5.499 5.289/5.727 5.505 ± 0.3007
10 1342 1342/1342 1342 ± 0.00002354 6.061 5.839/6.194 6.022 ± 0.2721
11 1342 1342/1342 1342 ± 0.00002354 6.305 6.16/6.447 6.302 ± 0.2753
12 1342 1342/1342 1342 ± 0.00002354 6.472 6.211/6.645 6.46 ± 0.3146
13 1342 1342/1342 1342 ± 0.00002364 6.75 6.38/7.022 6.716 ± 0.3628
14 1342 1342/1342 1342 ± 0.00005502 5.553 5.195/6.012 5.685 ± 0.6635
15 1342 1342/1342 1342 ± 0.00002354 6.703 6.266/6.963 6.63 ± 0.375
16 1342 1342/1342 1342 ± 0.0000603 3.819 3.601/4.194 3.95 ± 0.4572
17 1342 1342/1342 1342 ± 0.00006084 4.044 3.762/4.314 4.062 ± 0.4034
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
datacolumn
residual_data
output_dir
 
Start time
2025-07-22 16:50:25.525
End
2025-07-22 17:35:17.798
Duration
0:44:52.273
Note, WebLog generation is not included in the time.

CASA logs for stage 8