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

Statwt Summary Plot

VLASS2.1.sb38519843.eb38632934.59097.18672790509_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 5.855 5.409/6.107 5.83 ± 0.4934
ea02 1342 1342/1342 1342 ± 0 5.945 5.539/6.66 6.112 ± 0.6379
ea04 1342 1342/1342 1342 ± 0 5.625 5.223/6.245 5.765 ± 0.5634
ea05 1342 1342/1342 1342 ± 0 5.937 5.388/6.439 5.882 ± 0.58
ea06 1342 1342/1342 1342 ± 0 5.056 4.836/5.388 5.129 ± 0.3442
ea07 1342 1342/1342 1342 ± 0 6.192 5.53/6.332 6.108 ± 0.5888
ea08 1342 1342/1342 1342 ± 0.000003623 6.046 5.657/6.784 6.275 ± 0.6623
ea09 1342 1342/1342 1342 ± 0 5.755 5.329/6.532 5.874 ± 0.6444
ea10 1342 1342/1342 1342 ± 0 6.126 5.394/6.732 6.102 ± 0.6478
ea11 1342 1342/1342 1342 ± 0 5.992 5.269/6.46 5.973 ± 0.6685
ea12 1342 1342/1342 1342 ± 0 6.04 5.495/6.532 6.117 ± 0.6599
ea13 1342 1342/1342 1342 ± 0 6.317 5.966/6.493 6.317 ± 0.5086
ea14 1342 1342/1342 1342 ± 0 5.975 5.355/6.466 5.961 ± 0.6552
ea15 1342 1342/1342 1342 ± 0 5.801 5.222/6.355 5.905 ± 0.6781
ea16 1342 1342/1342 1342 ± 0 6.26 5.765/6.813 6.383 ± 0.7066
ea17 1342 1342/1342 1342 ± 0.00002497 6.13 5.665/6.863 6.224 ± 0.6121
ea18 1342 1342/1342 1342 ± 0 5.198 4.815/5.644 5.253 ± 0.5104
ea19 1342 1342/1342 1342 ± 0 6.043 5.657/6.565 6.211 ± 0.6537
ea20 1342 1342/1342 1342 ± 0 6.379 5.791/6.983 6.354 ± 0.6489
ea21 1342 1342/1342 1342 ± 0 5.952 5.441/6.352 5.934 ± 0.5647
ea22 1342 1342/1342 1342 ± 0 5.569 5.336/6.491 5.88 ± 0.6378
ea23 1342 1342/1342 1342 ± 0 6.261 5.604/6.611 6.256 ± 0.6703
ea25 1342 1342/1342 1342 ± 0 5.711 5.331/6.253 5.834 ± 0.5638
ea26 1342 1342/1342 1342 ± 0 6.093 5.787/7.048 6.342 ± 0.646
ea27 1342 1342/1342 1342 ± 0.0000181 5.631 5.498/6.513 5.932 ± 0.5774
ea28 1342 1342/1342 1342 ± 0.00003049 5.761 5.554/6.562 6.089 ± 0.6095
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 5.493 5.316/5.767 5.514 ± 0.2678
4 1342 1342/1342 1342 ± 0.00002688 5.264 5.063/5.505 5.249 ± 0.3375
5 1342 1342/1342 1342 ± 0.00002349 5.512 5.271/5.685 5.495 ± 0.3335
6 1342 1342/1342 1342 ± 0.00002349 5.418 5.183/5.581 5.393 ± 0.2942
7 1342 1342/1342 1342 ± 0.00002349 5.452 5.281/5.623 5.446 ± 0.2733
8 1342 1342/1342 1342 ± 0.00002349 5.433 5.203/5.612 5.394 ± 0.2867
9 1342 1342/1342 1342 ± 0.00002349 5.703 5.512/5.948 5.665 ± 0.333
10 1342 1342/1342 1342 ± 0.00002349 6.135 5.938/6.263 6.083 ± 0.3232
11 1342 1342/1342 1342 ± 0.00002349 6.385 6.192/6.491 6.297 ± 0.3299
12 1342 1342/1342 1342 ± 0.00002394 6.497 6.313/6.631 6.448 ± 0.365
13 1342 1342/1342 1342 ± 0.00002349 6.952 6.817/7.129 6.917 ± 0.3762
14 1342 1342/1342 1342 ± 0.00002349 7.201 6.941/7.396 7.119 ± 0.4227
15 1342 1342/1342 1342 ± 0.00002349 6.809 6.576/7.029 6.724 ± 0.4143
16 1342 1342/1342 1342 ± 0.00003179 6.104 5.702/6.321 6.049 ± 0.4061
17 1342 1342/1342 1342 ± 0.00003254 6.145 5.689/6.354 6.062 ± 0.397
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38519843.eb38632934.59097.18672790509_split_split.ms
statwtmode
VLASS-SE
Start time
2024-12-17 01:37:12.262
End
2024-12-17 02:46:23.468
Duration
1:09:11.207
Note, WebLog generation is not included in the time.

CASA logs for stage 8