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

Statwt Summary Plot

VLASS2.1.sb38508014.eb38518655.59051.788119143515_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 5.364 5.188/6.041 5.499 ± 0.7221
ea02 1342 1342/1342 1342 ± 0.00003687 5.863 5.334/6.544 5.837 ± 0.7558
ea04 1342 1342/1342 1342 ± 0 5.148 4.951/5.986 5.389 ± 0.6584
ea05 1342 1342/1342 1342 ± 0.00001729 5.448 5.084/6.408 5.68 ± 0.7114
ea06 1342 1342/1342 1342 ± 0 4.9 4.503/5.588 5.017 ± 0.5842
ea07 1342 1342/1342 1342 ± 0.00004272 5.746 5.191/6.177 5.7 ± 0.7659
ea08 1342 1342/1342 1342 ± 0.00004404 5.824 5.541/6.607 5.901 ± 0.8568
ea09 1342 1342/1342 1342 ± 0.00003219 5.197 4.976/5.908 5.265 ± 0.7181
ea10 1342 1342/1342 1342 ± 0.00004272 4.93 4.619/5.631 5.034 ± 0.565
ea11 1342 1342/1342 1342 ± 0.00003962 5.784 5.246/6.53 5.811 ± 0.9046
ea12 1342 1342/1342 1342 ± 0.000001192 5.466 5.21/6.098 5.553 ± 0.8023
ea13 1342 1342/1342 1342 ± 0.00002827 5.782 5.638/6.281 5.754 ± 0.7331
ea14 1342 1342/1342 1342 ± 0.00001483 5.649 5.285/6.588 5.888 ± 0.7492
ea15 1342 1342/1342 1342 ± 0 5.438 5.184/6.352 5.714 ± 0.8181
ea16 1342 1342/1342 1342 ± 0.00002991 5.628 5.473/6.455 5.937 ± 0.7987
ea17 1342 1342/1342 1342 ± 0.00004404 5.737 5.419/6.42 5.803 ± 0.8317
ea18 1342 1342/1342 1342 ± 0.0000202 4.939 4.693/5.728 5.068 ± 0.6368
ea19 1342 1342/1342 1342 ± 0.00001183 5.686 5.452/6.72 5.962 ± 0.7364
ea20 1342 1342/1342 1342 ± 0.00001041 5.844 5.474/6.701 5.968 ± 0.8768
ea21 1342 1342/1342 1342 ± 0.00002547 5.372 5.247/6.272 5.642 ± 0.6848
ea22 1342 1342/1342 1342 ± 0.0000427 5.442 5.223/6.384 5.589 ± 0.792
ea23 1342 1342/1342 1342 ± 0.00004188 5.721 5.301/6.604 5.924 ± 0.8727
ea24 1342 1342/1342 1342 ± 0.00001551 5.078 4.946/6.138 5.357 ± 0.6897
ea25 1342 1342/1342 1342 ± 0.00004404 5.29 5.192/6.127 5.492 ± 0.7706
ea26 1342 1342/1342 1342 ± 0.00001425 5.697 5.554/6.741 5.897 ± 0.8535
ea27 1342 1342/1342 1342 ± 0.00004404 5.557 5.187/6.465 5.632 ± 0.7997
ea28 1342 1342/1342 1342 ± 0.00004288 5.651 5.376/6.606 5.815 ± 0.8098
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 ± 0.00002312 5.494 5.23/5.633 5.39 ± 0.3131
5 1342 1342/1342 1342 ± 0.00002312 5.224 4.986/5.411 5.185 ± 0.3323
6 1342 1342/1342 1342 ± 0.00002312 5.324 5.114/5.475 5.293 ± 0.2834
7 1342 1342/1342 1342 ± 0.00002312 5.323 5.156/5.492 5.3 ± 0.2738
8 1342 1342/1342 1342 ± 0.00002312 5.347 5.053/5.474 5.256 ± 0.314
9 1342 1342/1342 1342 ± 0.00002312 5.578 5.355/5.848 5.533 ± 0.3236
10 1342 1342/1342 1342 ± 0.00002312 6.038 5.782/6.149 5.943 ± 0.3252
11 1342 1342/1342 1342 ± 0.00002312 6.337 6.028/6.46 6.224 ± 0.3283
12 1342 1342/1342 1342 ± 0.00002312 6.448 6.229/6.606 6.393 ± 0.3531
13 1342 1342/1342 1342 ± 0.00002312 6.718 6.451/6.97 6.685 ± 0.4333
14 1342 1342/1342 1342 ± 0.00003018 6.748 6.374/7.075 6.642 ± 0.505
15 1342 1342/1342 1342 ± 0.00002312 6.707 6.45/6.925 6.612 ± 0.4342
16 1342 1342/1342 1342 ± 0.00006091 4.354 4.189/4.533 4.391 ± 0.2797
17 1342 1342/1342 1342 ± 0.00006103 4.33 4.176/4.528 4.371 ± 0.271
vis
VLASS2.1.sb38508014.eb38518655.59051.788119143515_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2024-12-07 01:54:12.644
End
2024-12-07 03:10:31.636
Duration
1:16:18.992
Note, WebLog generation is not included in the time.

CASA logs for stage 8