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

Statwt Summary Plot

VLASS2.1.sb38528342.eb38565674.59072.03519471065_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 5.691 5.274/6.045 5.736 ± 0.534
ea02 1342 1342/1342 1342 ± 0.00002941 5.752 5.389/6.343 5.908 ± 0.6415
ea05 1342 1342/1342 1342 ± 0.000008719 5.806 5.366/6.271 5.852 ± 0.6031
ea06 1342 1342/1342 1342 ± 0 4.929 4.813/5.316 5.056 ± 0.3379
ea07 1342 1342/1342 1342 ± 0 5.664 5.507/5.884 5.764 ± 0.4134
ea08 1342 1342/1342 1342 ± 0 5.798 5.551/6.675 6.101 ± 0.6431
ea09 1342 1342/1342 1342 ± 0 5.208 4.904/5.783 5.332 ± 0.4465
ea10 1342 1342/1342 1342 ± 0 5.763 5.244/6.406 5.836 ± 0.6157
ea11 1342 1342/1342 1342 ± 0 5.885 5.313/6.391 5.893 ± 0.6122
ea12 1342 1342/1342 1342 ± 0 5.961 5.451/6.374 6.021 ± 0.6125
ea13 1342 1342/1342 1342 ± 0 6.022 5.752/6.365 6.143 ± 0.4992
ea14 1342 1342/1342 1342 ± 0 5.91 5.399/6.529 5.999 ± 0.6857
ea15 1342 1342/1342 1342 ± 0 5.68 5.302/6.282 5.857 ± 0.6544
ea16 1342 1342/1342 1342 ± 0 5.206 5.075/5.376 5.155 ± 0.2469
ea17 1342 1342/1342 1342 ± 0.00002808 5.971 5.587/6.39 6.108 ± 0.61
ea18 1342 1342/1342 1342 ± 0 5.117 4.853/5.65 5.239 ± 0.5339
ea19 1342 1342/1342 1342 ± 0 5.98 5.571/6.667 6.155 ± 0.6002
ea20 1342 1342/1342 1342 ± 0 6.126 5.742/6.718 6.251 ± 0.6151
ea21 1342 1342/1342 1342 ± 0 5.782 5.392/6.264 5.871 ± 0.5347
ea22 1342 1342/1342 1342 ± 0 5.618 5.346/6.42 5.825 ± 0.6403
ea23 1342 1342/1342 1342 ± 0 6.062 5.47/6.497 6.084 ± 0.6427
ea25 1342 1342/1342 1342 ± 0.000005201 5.287 5.241/5.338 5.306 ± 0.1595
ea26 1342 1342/1342 1342 ± 0 5.701 5.471/6.314 5.908 ± 0.5679
ea27 1342 1342/1342 1342 ± 0.00003129 5.447 5.374/6.318 5.764 ± 0.5436
ea28 1342 1342/1342 1342 ± 0.00002679 5.75 5.404/6.386 5.957 ± 0.6226
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 ± 0.00002412 5.381 5.197/5.61 5.363 ± 0.2778
3 1342 1342/1342 1342 ± 0.00002435 5.293 5.116/5.566 5.314 ± 0.2784
4 1342 1342/1342 1342 ± 0.00003122 5.086 4.946/5.409 5.107 ± 0.3717
5 1342 1342/1342 1342 ± 0.00002412 5.421 5.298/5.509 5.389 ± 0.2891
6 1342 1342/1342 1342 ± 0.00002412 5.365 5.241/5.444 5.326 ± 0.2431
7 1342 1342/1342 1342 ± 0.00002412 5.345 5.236/5.47 5.353 ± 0.2168
8 1342 1342/1342 1342 ± 0.00002412 5.358 5.114/5.492 5.3 ± 0.2735
9 1342 1342/1342 1342 ± 0.00002412 5.623 5.452/5.816 5.572 ± 0.3311
10 1342 1342/1342 1342 ± 0.00002511 6.058 5.859/6.17 5.974 ± 0.3152
11 1342 1342/1342 1342 ± 0.00002511 6.291 6.12/6.392 6.18 ± 0.3632
12 1342 1342/1342 1342 ± 0.00002511 6.391 6.241/6.492 6.325 ± 0.3566
13 1342 1342/1342 1342 ± 0.00002511 6.845 6.601/7.012 6.754 ± 0.3814
14 1342 1342/1342 1342 ± 0.00002511 7.02 6.804/7.202 6.941 ± 0.4231
15 1342 1342/1342 1342 ± 0.00002511 6.681 6.473/6.861 6.573 ± 0.4103
16 1342 1342/1342 1342 ± 0.0000393 5.983 5.604/6.213 5.908 ± 0.3909
17 1342 1342/1342 1342 ± 0.00003554 5.889 5.73/6.301 5.931 ± 0.377
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38528342.eb38565674.59072.03519471065_split_split.ms
Start time
2025-02-21 22:12:56.819
End
2025-02-21 22:39:10.277
Duration
0:26:13.458
Note, WebLog generation is not included in the time.

CASA logs for stage 8