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 5.851 5.444/6.406 5.977 ± 0.6063
ea02 1342 1342/1342 1342 ± 0 5.934 5.411/6.674 6.085 ± 0.6921
ea04 1342 1342/1342 1342 ± 0 5.387 4.796/5.904 5.408 ± 0.6417
ea05 1342 1342/1342 1342 ± 0.00002118 5.757 4.914/6.255 5.553 ± 0.6843
ea06 1342 1342/1342 1342 ± 0 4.736 4.312/5.194 4.751 ± 0.4618
ea07 1342 1342/1342 1342 ± 0 6.171 5.529/6.502 6.146 ± 0.6448
ea08 1342 1342/1342 1342 ± 0.000009956 5.97 5.644/6.907 6.262 ± 0.7279
ea09 1342 1342/1342 1342 ± 0 5.501 5.055/6.424 5.629 ± 0.6862
ea10 1342 1342/1342 1342 ± 0 6.066 5.396/6.932 6.122 ± 0.7917
ea11 1342 1342/1342 1342 ± 0 6.106 5.307/6.617 6.031 ± 0.726
ea12 1342 1342/1342 1342 ± 0 5.833 5.166/6.369 5.851 ± 0.6734
ea13 1342 1342/1342 1342 ± 0 5.963 5.355/6.173 5.877 ± 0.5956
ea14 1342 1342/1342 1342 ± 0 6.002 5.137/6.412 5.879 ± 0.7167
ea15 1342 1342/1342 1342 ± 0 5.526 4.664/6.027 5.456 ± 0.773
ea16 1342 1342/1342 1342 ± 0 6.143 5.466/6.708 6.212 ± 0.7992
ea17 1342 1342/1342 1342 ± 0.00002526 6.207 5.553/7.024 6.294 ± 0.7443
ea18 1342 1342/1342 1342 ± 0 5.226 4.742/5.736 5.258 ± 0.5567
ea19 1342 1342/1342 1342 ± 0 6.028 5.254/6.622 5.993 ± 0.7644
ea20 1342 1342/1342 1342 ± 0 6.299 5.673/6.873 6.209 ± 0.6914
ea21 1342 1342/1342 1342 ± 0 5.729 5.08/6.27 5.715 ± 0.6701
ea22 1342 1342/1342 1342 ± 0 5.44 5.155/6.322 5.71 ± 0.6522
ea23 1342 1342/1342 1342 ± 0 6.273 5.488/6.764 6.232 ± 0.7565
ea25 1342 1342/1342 1342 ± 0 5.847 5.31/6.437 5.899 ± 0.6649
ea26 1342 1342/1342 1342 ± 0 5.756 5.273/6.765 5.982 ± 0.7507
ea27 1342 1342/1342 1342 ± 0.00002329 5.697 5.29/6.693 5.888 ± 0.7483
ea28 1342 1342/1342 1342 ± 0.00002019 5.818 5.614/6.84 6.129 ± 0.7299
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 5.259 4.932/5.404 5.192 ± 0.3348
3 1342 1342/1342 1342 ± 0.0000252 5.123 4.92/5.343 5.08 ± 0.3092
4 1342 1342/1342 1342 ± 0.00003336 5.141 4.697/5.268 5.069 ± 0.3533
5 1342 1342/1342 1342 ± 0.00002351 5.186 5.027/5.498 5.238 ± 0.3968
6 1342 1342/1342 1342 ± 0.00002351 5.256 5.014/5.441 5.201 ± 0.3536
7 1342 1342/1342 1342 ± 0.00002351 5.317 5.134/5.465 5.245 ± 0.3257
8 1342 1342/1342 1342 ± 0.00002351 5.318 5.073/5.526 5.247 ± 0.3632
9 1342 1342/1342 1342 ± 0.00002351 5.587 5.367/5.868 5.549 ± 0.411
10 1342 1342/1342 1342 ± 0.00002351 6.129 5.836/6.308 6.047 ± 0.3788
11 1342 1342/1342 1342 ± 0.00002351 6.368 6.139/6.576 6.277 ± 0.4
12 1342 1342/1342 1342 ± 0.00002351 6.504 6.275/6.71 6.461 ± 0.4245
13 1342 1342/1342 1342 ± 0.00002351 7.045 6.73/7.212 6.942 ± 0.4413
14 1342 1342/1342 1342 ± 0.00002351 7.192 6.848/7.446 7.114 ± 0.4847
15 1342 1342/1342 1342 ± 0.00002351 6.791 6.467/7.016 6.688 ± 0.4666
16 1342 1342/1342 1342 ± 0.0000335 5.972 5.754/6.243 5.95 ± 0.3819
17 1342 1342/1342 1342 ± 0.00003012 5.943 5.72/6.181 5.933 ± 0.3728
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
Start time
2025-01-07 11:00:39.798
End
2025-01-07 12:08:33.519
Duration
1:07:53.721
Note, WebLog generation is not included in the time.

CASA logs for stage 8