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

Statwt Summary Plot

VLASS3.2.sb45478884.eb45758950.60430.75354622686_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 5.814 5.178/6.151 5.746 ± 0.5716
ea02 1342 1342/1342 1342 ± 0.00002426 6.188 5.451/6.373 6.04 ± 0.6674
ea03 1342 1342/1342 1342 ± 0.00001082 6.006 5.315/6.646 5.993 ± 0.7131
ea04 1342 1342/1342 1342 ± 0.00003557 5.366 4.966/5.992 5.462 ± 0.6198
ea05 1342 1342/1342 1342 ± 0.00003636 5.842 5.174/6.496 5.908 ± 0.6504
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0 6.013 5.155/6.202 5.864 ± 0.6917
ea08 1342 1342/1342 1342 ± 0 6.51 5.606/6.755 6.313 ± 0.6534
ea09 1342 1342/1342 1342 ± 0.000015 5.62 5.067/6.357 5.72 ± 0.666
ea10 1342 1342/1342 1342 ± 0 5.434 4.956/6.014 5.5 ± 0.5938
ea11 1342 1342/1342 1342 ± 0.00004031 5.303 4.998/6.093 5.5 ± 0.6634
ea12 1342 1342/1342 1342 ± 0.000002196 5.386 5.183/6.24 5.605 ± 0.638
ea13 1342 1342/1342 1342 ± 0 5.85 5.414/6.24 5.917 ± 0.5684
ea14 1342 1342/1342 1342 ± 0.0000243 5.812 5.384/6.433 5.948 ± 0.6104
ea15 1342 1342/1342 1342 ± 0.00004031 5.882 5.2/6.271 5.831 ± 0.6998
ea16 1342 1342/1342 1342 ± 0 5.928 5.506/6.618 6.053 ± 0.7101
ea17 1342 1342/1342 1342 ± 0 6.115 5.619/6.953 6.172 ± 0.7436
ea18 1342 1342/1342 1342 ± 0 6.386 5.781/7.002 6.337 ± 0.6866
ea19 1342 1342/1342 1342 ± 0 5.65 5.182/6.4 5.789 ± 0.6275
ea20 1342 1342/1342 1342 ± 0 5.83 5.328/6.438 5.884 ± 0.6343
ea21 1342 1342/1342 1342 ± 0 5.472 5.078/6.025 5.584 ± 0.5669
ea22 1342 1342/1342 1342 ± 0 6.608 5.9/7.191 6.517 ± 0.6919
ea23 1342 1342/1342 1342 ± 0 5.813 5.426/6.321 5.993 ± 0.6545
ea24 1342 1342/1342 1342 ± 0 5.895 5.188/6.43 5.779 ± 0.5953
ea25 1342 1342/1342 1342 ± 0 6.399 5.54/6.852 6.319 ± 0.8074
ea27 1342 1342/1342 1342 ± 0 5.685 5.287/6.444 5.827 ± 0.6155
ea28 1342 1342/1342 1342 ± 0 6.146 5.587/6.828 6.196 ± 0.657
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 ± 0.00002381 5.333 5.189/5.475 5.347 ± 0.1974
4 1342 1342/1342 1342 ± 0.00003111 5.082 4.779/5.287 5.075 ± 0.3228
5 1342 1342/1342 1342 ± 0.0000292 5.007 4.858/5.261 5.05 ± 0.3452
6 1342 1342/1342 1342 ± 0.00002381 5.158 4.986/5.405 5.181 ± 0.2642
7 1342 1342/1342 1342 ± 0.00002381 5.292 5.161/5.442 5.281 ± 0.2114
8 1342 1342/1342 1342 ± 0.00002381 5.235 5.075/5.398 5.251 ± 0.2487
9 1342 1342/1342 1342 ± 0.00002381 5.54 5.399/5.812 5.577 ± 0.2661
10 1342 1342/1342 1342 ± 0.00002356 6.023 5.865/6.178 6.047 ± 0.2427
11 1342 1342/1342 1342 ± 0.00002351 6.277 6.091/6.398 6.279 ± 0.2624
12 1342 1342/1342 1342 ± 0.00002351 6.409 6.236/6.635 6.439 ± 0.2957
13 1342 1342/1342 1342 ± 0.00002351 6.863 6.624/7.079 6.861 ± 0.3115
14 1342 1342/1342 1342 ± 0.00002351 7.035 6.816/7.311 7.026 ± 0.3145
15 1342 1342/1342 1342 ± 0.00002351 6.665 6.462/6.991 6.683 ± 0.349
16 1342 1342/1342 1342 ± 0.0000471 5.912 5.599/6.283 5.932 ± 0.4091
17 1342 1342/1342 1342 ± 0.00004427 5.892 5.681/6.187 5.904 ± 0.3772
datacolumn
residual_data
output_dir
 
vis
VLASS3.2.sb45478884.eb45758950.60430.75354622686_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-23 02:42:30.123
End
2025-07-23 03:15:47.457
Duration
0:33:17.334
Note, WebLog generation is not included in the time.

CASA logs for stage 8