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

Statwt Summary Plot

VLASS3.2.sb45460397.eb46168936.60474.13114186343_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 5.491 5.223/6.296 5.614 ± 0.8716
ea02 1342 1342/1342 1342 ± 0.00001776 5.637 5.196/6.333 5.619 ± 0.9035
ea03 1342 1342/1342 1342 ± 0 5.205 5.1/6.59 5.665 ± 0.8667
ea04 1342 1342/1342 1342 ± 0.00004693 5.118 4.913/6.021 5.23 ± 0.7444
ea05 1342 1342/1342 1342 ± 0.00004875 5.31 5.027/6.312 5.47 ± 0.8416
ea06 1342 1342/1342 1342 ± 0.0000223 4.88 4.791/5.9 5.253 ± 0.7446
ea07 1342 1342/1342 1342 ± 0.000004501 5.268 4.844/6.116 5.37 ± 0.8825
ea08 1342 1342/1342 1342 ± 0 5.696 5.227/6.602 5.818 ± 0.8549
ea09 1342 1342/1342 1342 ± 0.00004594 5.074 4.79/6.026 5.228 ± 0.7475
ea10 1342 1342/1342 1342 ± 0.00004288 4.89 4.441/5.868 5.028 ± 0.8088
ea11 1342 1342/1342 1342 ± 0.00004982 5.156 4.515/6.264 5.248 ± 0.9165
ea12 1342 1342/1342 1342 ± 0.00004476 5.079 4.902/5.869 5.21 ± 0.7522
ea14 1342 1342/1342 1342 ± 0.00004768 5.452 5.265/6.394 5.537 ± 0.8247
ea15 1342 1342/1342 1342 ± 0.00004931 5.281 5.241/6.472 5.522 ± 0.9136
ea16 1342 1342/1342 1342 ± 0.00002034 5.658 5.136/6.533 5.76 ± 0.8513
ea17 1342 1342/1342 1342 ± 0.0000206 5.444 5.126/6.396 5.643 ± 0.966
ea18 1342 1342/1342 1342 ± 0 5.624 5.336/6.694 5.88 ± 0.8337
ea19 1342 1342/1342 1342 ± 0.00004262 5.375 5.164/6.26 5.522 ± 0.8001
ea21 1342 1342/1342 1342 ± 0.000001236 4.913 4.81/5.774 5.176 ± 0.666
ea22 1342 1342/1342 1342 ± 0 5.519 5.007/6.287 5.605 ± 0.789
ea23 1342 1342/1342 1342 ± 0.00004589 5.485 5.168/6.298 5.574 ± 0.8853
ea24 1342 1342/1342 1342 ± 0.000005984 5.264 5.043/6.143 5.592 ± 0.6538
ea25 1342 1342/1342 1342 ± 0.000009154 5.574 5.246/6.761 5.99 ± 0.9455
ea27 1342 1342/1342 1342 ± 0.000007982 5.262 4.945/6.343 5.512 ± 0.7645
ea28 1342 1342/1342 1342 ± 0.000001236 5.636 5.537/6.754 5.936 ± 0.8068
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 ± 0.00002392 5.117 4.935/5.232 5.056 ± 0.2916
4 1342 1342/1342 1342 ± 0.00004757 3.481 3.387/3.57 3.526 ± 0.2195
5 1342 1342/1342 1342 ± 0.00002424 5.094 4.822/5.308 5.088 ± 0.3325
6 1342 1342/1342 1342 ± 0.00002392 5.127 4.916/5.383 5.134 ± 0.2676
7 1342 1342/1342 1342 ± 0.00002392 5.197 5.068/5.322 5.168 ± 0.2319
8 1342 1342/1342 1342 ± 0.00002392 5.136 4.947/5.271 5.109 ± 0.2568
9 1342 1342/1342 1342 ± 0.00002392 5.452 5.279/5.648 5.432 ± 0.2603
10 1342 1342/1342 1342 ± 0.00002392 6.021 5.874/6.177 5.989 ± 0.2526
11 1342 1342/1342 1342 ± 0.00002392 6.314 6.111/6.394 6.273 ± 0.2599
12 1342 1342/1342 1342 ± 0.00002392 6.473 6.313/6.603 6.436 ± 0.2957
13 1342 1342/1342 1342 ± 0.00002392 6.729 6.393/7.035 6.715 ± 0.3538
14 1342 1342/1342 1342 ± 0.00005201 5.95 5.511/6.334 5.984 ± 0.6327
15 1342 1342/1342 1342 ± 0.00002392 6.586 6.257/6.913 6.593 ± 0.3709
16 1342 1342/1342 1342 ± 0.00006092 4.084 3.88/4.473 4.195 ± 0.3978
17 1342 1342/1342 1342 ± 0.00006088 4.167 3.993/4.484 4.247 ± 0.3446
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
statwtmode
VLASS-SE
Start time
2025-07-23 01:43:25.487
End
2025-07-23 02:34:24.386
Duration
0:50:58.899
Note, WebLog generation is not included in the time.

CASA logs for stage 8