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 5.81 5.576/6.482 6.013 ± 0.5945
ea02 1342 1342/1342 1342 ± 0.000006571 5.94 5.44/6.647 6.066 ± 0.7082
ea04 1342 1342/1342 1342 ± 0 5.379 4.819/5.86 5.393 ± 0.6125
ea05 1342 1342/1342 1342 ± 0.000009378 5.734 4.887/6.254 5.547 ± 0.6906
ea06 1342 1342/1342 1342 ± 0 4.748 4.378/5.203 4.765 ± 0.4499
ea07 1342 1342/1342 1342 ± 0 6.111 5.596/6.464 6.146 ± 0.644
ea08 1342 1342/1342 1342 ± 0.00002349 6.042 5.665/6.99 6.26 ± 0.7358
ea09 1342 1342/1342 1342 ± 0.000003479 5.405 5.055/6.225 5.64 ± 0.7026
ea10 1342 1342/1342 1342 ± 0 6.09 5.454/6.986 6.142 ± 0.7918
ea11 1342 1342/1342 1342 ± 0 6.056 5.348/6.623 6.017 ± 0.736
ea12 1342 1342/1342 1342 ± 0 5.842 5.208/6.384 5.827 ± 0.6804
ea13 1342 1342/1342 1342 ± 0 5.989 5.46/6.194 5.911 ± 0.5847
ea14 1342 1342/1342 1342 ± 0 6.035 5.161/6.414 5.86 ± 0.7361
ea15 1342 1342/1342 1342 ± 0 5.558 4.692/6.021 5.458 ± 0.774
ea16 1342 1342/1342 1342 ± 0 6.204 5.55/6.703 6.234 ± 0.7893
ea17 1342 1342/1342 1342 ± 0.00002561 6.296 5.775/7.112 6.412 ± 0.7228
ea18 1342 1342/1342 1342 ± 0 5.241 4.851/5.756 5.256 ± 0.5515
ea19 1342 1342/1342 1342 ± 0 5.822 5.272/6.594 6.006 ± 0.759
ea20 1342 1342/1342 1342 ± 0 6.334 5.648/6.899 6.226 ± 0.7006
ea21 1342 1342/1342 1342 ± 0 5.723 5.207/6.262 5.72 ± 0.6624
ea22 1342 1342/1342 1342 ± 0.00000433 5.445 5.157/6.383 5.724 ± 0.6573
ea23 1342 1342/1342 1342 ± 0 6.294 5.546/6.762 6.234 ± 0.7465
ea25 1342 1342/1342 1342 ± 0 5.832 5.448/6.461 5.933 ± 0.6339
ea26 1342 1342/1342 1342 ± 0 5.731 5.323/6.834 6.029 ± 0.7394
ea27 1342 1342/1342 1342 ± 0.0000259 5.648 5.236/6.708 5.899 ± 0.7609
ea28 1342 1342/1342 1342 ± 0.00003218 5.827 5.617/6.775 6.162 ± 0.7074
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 ± 0.00002348 5.29 4.959/5.46 5.25 ± 0.3512
3 1342 1342/1342 1342 ± 0.00002589 5.09 4.869/5.302 5.053 ± 0.3198
4 1342 1342/1342 1342 ± 0.00002479 5.255 5.012/5.452 5.19 ± 0.3603
5 1342 1342/1342 1342 ± 0.00002348 5.275 5.062/5.674 5.32 ± 0.4151
6 1342 1342/1342 1342 ± 0.00002348 5.285 5.051/5.49 5.232 ± 0.3455
7 1342 1342/1342 1342 ± 0.00002348 5.392 5.164/5.493 5.294 ± 0.3424
8 1342 1342/1342 1342 ± 0.00002348 5.381 5.101/5.571 5.285 ± 0.3749
9 1342 1342/1342 1342 ± 0.00002348 5.63 5.328/5.94 5.582 ± 0.426
10 1342 1342/1342 1342 ± 0.00002348 6.178 5.852/6.336 6.076 ± 0.3874
11 1342 1342/1342 1342 ± 0.00002348 6.41 6.144/6.614 6.314 ± 0.4135
12 1342 1342/1342 1342 ± 0.00002348 6.516 6.274/6.765 6.492 ± 0.4358
13 1342 1342/1342 1342 ± 0.00002348 7.101 6.75/7.263 6.978 ± 0.4564
14 1342 1342/1342 1342 ± 0.00002348 7.236 6.893/7.51 7.157 ± 0.496
15 1342 1342/1342 1342 ± 0.00002348 6.774 6.532/7.038 6.703 ± 0.4747
16 1342 1342/1342 1342 ± 0.00003695 5.977 5.747/6.25 5.954 ± 0.3915
17 1342 1342/1342 1342 ± 0.00003716 5.97 5.711/6.161 5.938 ± 0.379
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
output_dir
 
Start time
2025-01-07 05:24:21.064
End
2025-01-07 06:15:26.288
Duration
0:51:05.223
Note, WebLog generation is not included in the time.

CASA logs for stage 8