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

Statwt Summary Plot

VLASS2.2.sb41027522.eb41031268.59557.25108456019_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 6.299 5.853/6.915 6.37 ± 0.8018
ea03 1342 1342/1342 1342 ± 0 5.656 5.109/6.57 5.752 ± 0.8911
ea04 1342 1342/1342 1342 ± 0 5.747 5.298/6.474 5.858 ± 0.8272
ea05 1342 1342/1342 1342 ± 0 6.324 5.646/7.087 6.373 ± 0.8085
ea06 1342 1342/1342 1342 ± 0 6.168 5.596/6.642 6.137 ± 0.7804
ea07 1342 1342/1342 1342 ± 0 6.097 5.446/6.498 6.044 ± 0.7994
ea08 1342 1342/1342 1342 ± 0 6.18 5.51/6.875 6.194 ± 0.8214
ea09 1342 1342/1342 1342 ± 0 6.14 5.572/6.852 6.199 ± 0.885
ea10 1342 1342/1342 1342 ± 0 6.303 5.676/7.142 6.297 ± 0.9113
ea11 1342 1342/1342 1342 ± 0 6.393 5.426/6.839 6.238 ± 0.8342
ea12 1342 1342/1342 1342 ± 0 6.551 5.741/6.962 6.454 ± 0.8558
ea13 1342 1342/1342 1342 ± 0 5.756 5.685/6.372 6.025 ± 0.5078
ea14 1342 1342/1342 1342 ± 0 6.362 5.712/6.99 6.358 ± 0.9157
ea15 1342 1342/1342 1342 ± 0 5.883 5.415/6.482 5.94 ± 0.7846
ea16 1342 1342/1342 1342 ± 0 6.526 5.921/7.052 6.472 ± 0.8878
ea17 1342 1342/1342 1342 ± 0 6.855 6.264/7.861 6.975 ± 0.8641
ea18 1342 1342/1342 1342 ± 0 5.199 4.773/5.571 5.231 ± 0.4957
ea19 1342 1342/1342 1342 ± 0 6.448 5.902/7.145 6.505 ± 0.8969
ea20 1342 1342/1342 1342 ± 0 5.933 5.589/6.695 6.086 ± 0.8288
ea21 1342 1342/1342 1342 ± 0 5.433 5.17/6.015 5.618 ± 0.5363
ea22 1342 1342/1342 1342 ± 0.000002239 6.395 5.431/6.792 6.17 ± 0.7634
ea23 1342 1342/1342 1342 ± 0 6.331 5.771/6.896 6.421 ± 0.7677
ea24 1342 1342/1342 1342 ± 0 6.155 5.348/6.635 6.01 ± 0.6546
ea25 1342 1342/1342 1342 ± 0 6.792 5.706/7.236 6.589 ± 0.9085
ea26 1342 1342/1342 1342 ± 0 6.74 6.144/7.535 6.753 ± 0.8942
ea27 1342 1342/1342 1342 ± 0 6.15 5.662/7.06 6.26 ± 0.809
ea28 1342 1342/1342 1342 ± 0 6.307 5.877/7.098 6.506 ± 0.7878
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 ± 0.0000231 5.609 5.374/5.855 5.592 ± 0.3345
3 1342 1342/1342 1342 ± 0.00002392 5.255 5.003/5.401 5.236 ± 0.3176
4 1342 1342/1342 1342 ± 0.00003162 4.293 4.196/4.423 4.361 ± 0.2824
5 1342 1342/1342 1342 ± 0.0000231 5.7 5.349/5.823 5.616 ± 0.3464
6 1342 1342/1342 1342 ± 0.0000231 5.597 5.449/5.84 5.586 ± 0.3152
7 1342 1342/1342 1342 ± 0.0000231 5.683 5.432/5.791 5.639 ± 0.3139
8 1342 1342/1342 1342 ± 0.0000231 5.584 5.33/5.814 5.57 ± 0.3538
9 1342 1342/1342 1342 ± 0.0000231 5.914 5.66/6.164 5.879 ± 0.3515
10 1342 1342/1342 1342 ± 0.0000231 6.554 6.277/6.674 6.454 ± 0.3571
11 1342 1342/1342 1342 ± 0.0000231 6.782 6.524/6.925 6.703 ± 0.3784
12 1342 1342/1342 1342 ± 0.0000231 6.901 6.619/7.064 6.83 ± 0.4521
13 1342 1342/1342 1342 ± 0.0000231 7.396 7.132/7.75 7.366 ± 0.4867
14 1342 1342/1342 1342 ± 0.0000231 7.651 7.27/7.889 7.568 ± 0.494
15 1342 1342/1342 1342 ± 0.0000231 7.162 6.837/7.475 7.156 ± 0.4577
16 1342 1342/1342 1342 ± 0.0000231 6.427 6.265/6.913 6.489 ± 0.4538
17 1342 1342/1342 1342 ± 0.0000231 6.482 6.207/6.825 6.446 ± 0.4668
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2025-06-11 11:49:53.243
End
2025-06-11 13:04:20.293
Duration
1:14:27.050
Note, WebLog generation is not included in the time.

CASA logs for stage 8