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

Statwt Summary Plot

VLASS2.1.sb38663900.eb38831428.59145.025327407406_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 5.279 5.11/5.855 5.354 ± 0.6626
ea02 1342 1342/1342 1342 ± 0.00004299 5.824 5.156/6.276 5.599 ± 0.8736
ea03 1342 1342/1342 1342 ± 0 4.776 4.599/5.72 5.03 ± 0.6549
ea04 1342 1342/1342 1342 ± 0 5.217 4.989/6.037 5.375 ± 0.7557
ea05 1342 1342/1342 1342 ± 0.0000114 5.384 5.071/6.159 5.533 ± 0.7348
ea06 1342 1342/1342 1342 ± 0 4.195 3.928/4.701 4.266 ± 0.4563
ea07 1342 1342/1342 1342 ± 0.00004301 5.572 5.083/6.042 5.493 ± 0.7483
ea08 1342 1342/1342 1342 ± 0.00004331 5.781 5.324/6.498 5.747 ± 0.8977
ea09 1342 1342/1342 1342 ± 0 5.232 4.904/6.116 5.344 ± 0.7962
ea10 1342 1342/1342 1342 ± 0.00004431 5.454 5.073/6.407 5.54 ± 0.8395
ea11 1342 1342/1342 1342 ± 0 5.309 4.686/6.143 5.398 ± 0.855
ea12 1342 1342/1342 1342 ± 0.000008613 5.429 5.176/6.483 5.635 ± 0.9443
ea13 1342 1342/1342 1342 ± 0.00001492 5.753 5.337/6.222 5.702 ± 0.7074
ea14 1342 1342/1342 1342 ± 0.000007674 5.458 5.086/6.253 5.475 ± 0.7786
ea15 1342 1342/1342 1342 ± 0 3.53 3.274/4.353 3.772 ± 0.6477
ea16 1342 1342/1342 1342 ± 0.0000178 5.701 5.409/6.476 5.711 ± 0.8497
ea17 1342 1342/1342 1342 ± 0 5.767 5.166/7.04 5.939 ± 0.9645
ea18 1342 1342/1342 1342 ± 0.00003727 4.662 4.372/5.443 4.794 ± 0.6201
ea19 1342 1342/1342 1342 ± 0 5.313 5.091/6.097 5.469 ± 0.6785
ea20 1342 1342/1342 1342 ± 0 5.644 5.439/6.816 5.908 ± 0.91
ea21 1342 1342/1342 1342 ± 0.00001613 5.416 4.941/6.156 5.45 ± 0.7625
ea23 1342 1342/1342 1342 ± 0.00003249 5.326 5.089/5.45 5.163 ± 0.5661
ea24 1342 1342/1342 1342 ± 0.00004179 5.461 5.092/6.272 5.506 ± 0.7909
ea25 1342 1342/1342 1342 ± 0.00004295 5.357 5.069/5.989 5.368 ± 0.7665
ea26 1342 1342/1342 1342 ± 0.00001944 5.726 5.279/6.469 5.726 ± 0.8403
ea27 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea28 1342 1342/1342 1342 ± 0.00004507 5.214 5.047/6.028 5.312 ± 0.7292
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 ± 0.0000235 5.177 4.941/5.308 5.033 ± 0.4774
5 1342 1342/1342 1342 ± 0.0000235 5.293 5.038/5.467 5.14 ± 0.5493
6 1342 1342/1342 1342 ± 0.0000235 5.082 4.897/5.249 4.983 ± 0.5018
7 1342 1342/1342 1342 ± 0.0000235 5.094 4.984/5.323 5.042 ± 0.4908
8 1342 1342/1342 1342 ± 0.0000235 5.155 5.071/5.324 5.069 ± 0.4787
9 1342 1342/1342 1342 ± 0.0000235 5.452 5.228/5.676 5.332 ± 0.5178
10 1342 1342/1342 1342 ± 0.0000235 5.865 5.591/5.972 5.677 ± 0.5833
11 1342 1342/1342 1342 ± 0.0000235 6.092 5.856/6.28 5.968 ± 0.5463
12 1342 1342/1342 1342 ± 0.0000235 6.192 6.028/6.487 6.138 ± 0.5707
13 1342 1342/1342 1342 ± 0.0000235 6.376 6.137/6.626 6.313 ± 0.5525
14 1342 1342/1342 1342 ± 0.00002959 6.102 5.729/6.53 6.127 ± 0.6499
15 1342 1342/1342 1342 ± 0.0000235 6.369 6.106/6.772 6.285 ± 0.6673
16 1342 1342/1342 1342 ± 0.00006038 3.996 3.843/4.169 3.964 ± 0.3207
17 1342 1342/1342 1342 ± 0.00005809 4.068 3.952/4.211 4.047 ± 0.2834
vis
VLASS2.1.sb38663900.eb38831428.59145.025327407406_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-02-20 06:39:15.138
End
2025-02-20 07:11:13.497
Duration
0:31:58.359
Note, WebLog generation is not included in the time.

CASA logs for stage 8