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 5.492 5.066/6.231 5.381 ± 1.126
ea02 1342 1342/1342 1342 ± 0.00004118 5.558 5.256/6.506 5.48 ± 1.133
ea03 1342 1342/1342 1342 ± 0.000009575 5.37 5.213/6.454 5.569 ± 0.8598
ea04 1342 1342/1342 1342 ± 0.00004959 5.087 4.695/5.979 5.042 ± 0.9503
ea05 1342 1342/1342 1342 ± 0.00005185 5.278 5.102/6.418 5.323 ± 1.108
ea06 1342 1342/1342 1342 ± 0.00002932 4.932 4.711/6.009 5.074 ± 0.899
ea07 1342 1342/1342 1342 ± 0.00004231 5.165 5.002/6.28 5.254 ± 1.138
ea08 1342 1342/1342 1342 ± 0.00002846 5.812 5.333/6.851 5.752 ± 1.189
ea09 1342 1342/1342 1342 ± 0.0000485 5.153 4.779/6.171 5.152 ± 0.9809
ea10 1342 1342/1342 1342 ± 0.00004839 4.962 4.613/5.874 4.888 ± 1.004
ea11 1342 1342/1342 1342 ± 0.00005275 5.12 4.428/6.076 5.006 ± 1.09
ea13 1342 1342/1342 1342 ± 0.00002888 5.309 5.02/6.191 5.358 ± 0.8121
ea14 1342 1342/1342 1342 ± 0.00005064 5.463 5.07/6.497 5.455 ± 1.162
ea15 1342 1342/1342 1342 ± 0.00005078 5.541 5.136/6.69 5.568 ± 1.109
ea16 1342 1342/1342 1342 ± 0.00002809 5.689 5.313/6.513 5.652 ± 1.044
ea17 1342 1342/1342 1342 ± 0.00004536 5.695 5.221/6.638 5.532 ± 1.29
ea18 1342 1342/1342 1342 ± 0.00001857 5.842 5.476/6.894 5.829 ± 1.181
ea19 1342 1342/1342 1342 ± 0.00004322 5.348 5.095/6.328 5.332 ± 1.049
ea20 1342 1342/1342 1342 ± 0.00004041 5.301 5.197/6.148 5.34 ± 0.9207
ea21 1342 1342/1342 1342 ± 0.0000105 5.139 4.922/5.762 5.156 ± 0.6877
ea22 1342 1342/1342 1342 ± 0.00003669 5.676 5.156/6.547 5.532 ± 1.15
ea23 1342 1342/1342 1342 ± 0.00004917 5.572 5.111/6.43 5.418 ± 1.151
ea24 1342 1342/1342 1342 ± 0.00002018 5.069 4.921/5.945 5.328 ± 0.7919
ea25 1342 1342/1342 1342 ± 0.00001814 5.747 5.315/6.668 5.898 ± 0.9682
ea27 1342 1342/1342 1342 ± 0.00002511 5.16 4.85/6.339 5.263 ± 1.013
ea28 1342 1342/1342 1342 ± 0.000009017 5.603 5.436/6.69 5.747 ± 0.9232
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 ± 0.00002358 5.217 4.956/5.317 5.143 ± 0.2925
5 1342 1342/1342 1342 ± 0.00003597 5.191 4.992/5.488 5.254 ± 0.4041
6 1342 1342/1342 1342 ± 0.00002358 5.222 5.036/5.436 5.216 ± 0.2798
7 1342 1342/1342 1342 ± 0.00002358 5.288 5.094/5.469 5.265 ± 0.2633
8 1342 1342/1342 1342 ± 0.00002358 5.219 5.027/5.525 5.257 ± 0.2885
9 1342 1342/1342 1342 ± 0.00002358 5.392 5.258/5.717 5.453 ± 0.3265
10 1342 1342/1342 1342 ± 0.00002399 6.139 5.956/6.312 6.104 ± 0.2895
11 1342 1342/1342 1342 ± 0.00002355 6.424 6.231/6.554 6.398 ± 0.2748
12 1342 1342/1342 1342 ± 0.00002355 6.575 6.349/6.761 6.562 ± 0.3177
13 1342 1342/1342 1342 ± 0.00002397 6.596 6.317/6.872 6.607 ± 0.4049
14 1342 1342/1342 1342 ± 0.000058 4.702 4.399/5.193 4.868 ± 0.6202
15 1342 1342/1342 1342 ± 0.00002356 6.632 6.154/6.996 6.59 ± 0.4769
16 1342 1342/1342 1342 ± 0.00005881 3.382 3.146/3.809 3.504 ± 0.472
17 1342 1342/1342 1342 ± 0.00005831 3.289 3.042/3.595 3.337 ± 0.3892
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2025-07-19 07:48:30.943
End
2025-07-19 08:38:40.557
Duration
0:50:09.614
Note, WebLog generation is not included in the time.

CASA logs for stage 8