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

Statwt Summary Plot

VLASS3.2.sb45520569.eb45733624.60429.987892812496_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 5.95 5.496/6.289 5.896 ± 0.6676
ea02 1342 1342/1342 1342 ± 0 6.369 5.76/6.515 6.308 ± 0.6904
ea03 1342 1342/1342 1342 ± 0.000001594 6.08 5.492/6.667 6.149 ± 0.684
ea04 1342 1342/1342 1342 ± 0.00001915 5.478 5.012/5.854 5.438 ± 0.6154
ea05 1342 1342/1342 1342 ± 0.00001632 5.74 5.357/6.526 5.88 ± 0.711
ea06 1342 1342/1342 1342 ± 0.000001902 6.042 5.161/6.183 5.731 ± 0.7727
ea07 1342 1342/1342 1342 ± 0.000002455 6.075 5.27/6.272 5.878 ± 0.7845
ea08 1342 1342/1342 1342 ± 0.000001553 6.46 5.704/6.853 6.354 ± 0.76
ea09 1342 1342/1342 1342 ± 0.000006714 5.9 5.195/6.339 5.858 ± 0.6248
ea10 1342 1342/1342 1342 ± 0.000003294 5.468 5.18/6.099 5.56 ± 0.666
ea11 1342 1342/1342 1342 ± 0.00003009 5.339 5.15/6.156 5.566 ± 0.6949
ea12 1342 1342/1342 1342 ± 0.00001486 5.521 5.421/6.291 5.74 ± 0.636
ea13 1342 1342/1342 1342 ± 0.000004217 6.17 5.538/6.278 5.979 ± 0.7461
ea14 1342 1342/1342 1342 ± 0.00000439 5.977 5.668/6.581 6.082 ± 0.7542
ea15 1342 1342/1342 1342 ± 0.00002085 5.307 4.835/5.578 5.304 ± 0.4892
ea16 1342 1342/1342 1342 ± 0 6.282 5.671/6.644 6.288 ± 0.6699
ea17 1342 1342/1342 1342 ± 0.000001932 6.245 5.835/7.024 6.3 ± 0.7533
ea18 1342 1342/1342 1342 ± 0.000001902 6.595 6.012/7.285 6.545 ± 0.7728
ea19 1342 1342/1342 1342 ± 0.000002196 5.905 5.502/6.619 5.98 ± 0.6939
ea20 1342 1342/1342 1342 ± 0 6.263 5.623/6.65 6.219 ± 0.5608
ea21 1342 1342/1342 1342 ± 0.000001577 5.535 5.145/5.928 5.593 ± 0.5249
ea22 1342 1342/1342 1342 ± 0 6.429 5.978/6.938 6.379 ± 0.7119
ea23 1342 1342/1342 1342 ± 0 5.956 5.568/6.392 6.114 ± 0.6128
ea24 1342 1342/1342 1342 ± 0 6.137 5.334/6.445 5.95 ± 0.6142
ea25 1342 1342/1342 1342 ± 0 6.578 5.767/6.944 6.543 ± 0.7753
ea27 1342 1342/1342 1342 ± 0 5.873 5.383/6.442 5.924 ± 0.5776
ea28 1342 1342/1342 1342 ± 0.00000113 6.406 5.839/6.934 6.454 ± 0.6435
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 ± 0.00002307 5.51 5.279/5.719 5.51 ± 0.2957
3 1342 1342/1342 1342 ± 0.00003664 4.265 4.007/4.517 4.269 ± 0.4224
5 1342 1342/1342 1342 ± 0.00002307 5.491 5.234/5.696 5.462 ± 0.3723
6 1342 1342/1342 1342 ± 0.00002307 5.368 5.181/5.665 5.383 ± 0.3276
7 1342 1342/1342 1342 ± 0.00002307 5.531 5.223/5.668 5.47 ± 0.2835
8 1342 1342/1342 1342 ± 0.00002307 5.404 5.142/5.661 5.386 ± 0.3109
9 1342 1342/1342 1342 ± 0.00002307 5.665 5.522/5.973 5.697 ± 0.3314
10 1342 1342/1342 1342 ± 0.00002307 6.129 5.986/6.358 6.124 ± 0.3143
11 1342 1342/1342 1342 ± 0.00002307 6.331 6.072/6.543 6.318 ± 0.3217
12 1342 1342/1342 1342 ± 0.00002307 6.447 6.276/6.664 6.466 ± 0.3784
13 1342 1342/1342 1342 ± 0.00002307 7.045 6.605/7.211 6.932 ± 0.3856
14 1342 1342/1342 1342 ± 0.00002307 7.206 6.847/7.517 7.123 ± 0.4168
15 1342 1342/1342 1342 ± 0.00002307 6.876 6.548/7.222 6.809 ± 0.4308
16 1342 1342/1342 1342 ± 0.00003259 6.159 5.752/6.472 6.108 ± 0.4514
17 1342 1342/1342 1342 ± 0.00003117 6.155 5.775/6.424 6.093 ± 0.4443
output_dir
 
vis
VLASS3.2.sb45520569.eb45733624.60429.987892812496_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-07-18 09:07:44.302
End
2025-07-18 10:22:19.434
Duration
1:14:35.132
Note, WebLog generation is not included in the time.

CASA logs for stage 8