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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.628 5.409/6.057 5.783 ± 0.5438
ea02 1342 1342/1342 1342 ± 0.00002331 5.931 5.528/6.678 6.127 ± 0.6312
ea04 1342 1342/1342 1342 ± 0 5.581 5.234/6.078 5.698 ± 0.5672
ea05 1342 1342/1342 1342 ± 0 5.762 5.339/6.178 5.832 ± 0.6227
ea06 1342 1342/1342 1342 ± 0 4.824 4.641/5.337 4.968 ± 0.4221
ea07 1342 1342/1342 1342 ± 0.00000369 6.073 5.625/6.375 6.112 ± 0.584
ea08 1342 1342/1342 1342 ± 0.00002354 5.991 5.65/6.715 6.238 ± 0.6607
ea09 1342 1342/1342 1342 ± 0.00001236 5.73 5.286/6.284 5.829 ± 0.6618
ea10 1342 1342/1342 1342 ± 0.000003479 5.988 5.504/6.687 6.129 ± 0.6642
ea11 1342 1342/1342 1342 ± 0.00000426 5.905 5.281/6.431 5.926 ± 0.6821
ea12 1342 1342/1342 1342 ± 0 5.836 5.451/6.44 6.048 ± 0.6576
ea13 1342 1342/1342 1342 ± 0.000003067 6.199 5.83/6.426 6.21 ± 0.5337
ea14 1342 1342/1342 1342 ± 0 5.87 5.351/6.421 5.948 ± 0.6803
ea15 1342 1342/1342 1342 ± 0 5.659 5.174/6.284 5.816 ± 0.7217
ea16 1342 1342/1342 1342 ± 0 6.427 5.809/6.869 6.467 ± 0.7491
ea17 1342 1342/1342 1342 ± 0.00001172 6.056 5.653/6.656 6.226 ± 0.6681
ea18 1342 1342/1342 1342 ± 0 5.088 4.8/5.603 5.226 ± 0.5286
ea19 1342 1342/1342 1342 ± 0 5.763 5.594/6.755 6.23 ± 0.7147
ea20 1342 1342/1342 1342 ± 0 6.192 5.788/6.766 6.329 ± 0.6724
ea21 1342 1342/1342 1342 ± 0 5.785 5.473/6.337 5.945 ± 0.5995
ea22 1342 1342/1342 1342 ± 0.00001749 5.697 5.281/6.36 5.848 ± 0.6444
ea23 1342 1342/1342 1342 ± 0.000002695 6.278 5.611/6.74 6.261 ± 0.7069
ea25 1342 1342/1342 1342 ± 0.000005387 5.747 5.316/6.256 5.854 ± 0.61
ea26 1342 1342/1342 1342 ± 0.000004598 6.121 5.667/6.748 6.249 ± 0.6729
ea27 1342 1342/1342 1342 ± 0.00001656 5.69 5.447/6.485 5.902 ± 0.6236
ea28 1342 1342/1342 1342 ± 0.00002988 5.701 5.521/6.507 5.975 ± 0.664
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 ± 0.00002351 5.496 5.26/5.647 5.438 ± 0.2718
3 1342 1342/1342 1342 ± 0.00002531 5.316 5.18/5.57 5.326 ± 0.2964
4 1342 1342/1342 1342 ± 0.00002746 5.079 4.947/5.368 5.103 ± 0.318
5 1342 1342/1342 1342 ± 0.00002351 5.514 5.249/5.681 5.463 ± 0.3379
6 1342 1342/1342 1342 ± 0.00002351 5.454 5.202/5.592 5.395 ± 0.3086
7 1342 1342/1342 1342 ± 0.00002351 5.484 5.291/5.649 5.453 ± 0.291
8 1342 1342/1342 1342 ± 0.00002351 5.481 5.272/5.589 5.404 ± 0.3142
9 1342 1342/1342 1342 ± 0.00002351 5.73 5.514/5.999 5.689 ± 0.3659
10 1342 1342/1342 1342 ± 0.00002396 6.14 5.942/6.329 6.098 ± 0.3383
11 1342 1342/1342 1342 ± 0.00002396 6.38 6.216/6.524 6.317 ± 0.3443
12 1342 1342/1342 1342 ± 0.00002351 6.509 6.391/6.745 6.496 ± 0.375
13 1342 1342/1342 1342 ± 0.00002351 7.008 6.889/7.191 6.97 ± 0.3998
14 1342 1342/1342 1342 ± 0.00002437 7.378 7.115/7.546 7.255 ± 0.4537
15 1342 1342/1342 1342 ± 0.00002811 6.707 6.467/6.91 6.63 ± 0.4132
16 1342 1342/1342 1342 ± 0.00003619 5.982 5.802/6.285 6.035 ± 0.3821
17 1342 1342/1342 1342 ± 0.0000335 6.016 5.805/6.318 6.037 ± 0.3661
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
datacolumn
residual_data
Start time
2025-02-21 20:33:03.250
End
2025-02-21 21:04:20.016
Duration
0:31:16.766
Note, WebLog generation is not included in the time.

CASA logs for stage 8