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

Statwt Summary Plot

VLASS3.2.sb45661340.eb45880388.60435.82083380787_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 6.279 5.664/6.706 6.25 ± 0.6332
ea02 1342 1342/1342 1342 ± 0 6.438 5.73/6.591 6.333 ± 0.6136
ea03 1342 1342/1342 1342 ± 0 6.154 5.476/6.823 6.196 ± 0.7484
ea04 1342 1342/1342 1342 ± 0 5.675 5.191/6.004 5.663 ± 0.529
ea05 1342 1342/1342 1342 ± 0 6.041 5.498/6.76 6.092 ± 0.6819
ea06 1342 1342/1342 1342 ± 0 5.998 5.063/6.104 5.74 ± 0.635
ea07 1342 1342/1342 1342 ± 0 6.121 5.304/6.437 5.98 ± 0.6928
ea08 1342 1342/1342 1342 ± 0 6.563 5.697/6.904 6.446 ± 0.6755
ea09 1342 1342/1342 1342 ± 0 5.907 5.305/6.579 5.98 ± 0.6514
ea10 1342 1342/1342 1342 ± 0 5.665 5.108/6.099 5.652 ± 0.5641
ea11 1342 1342/1342 1342 ± 0 5.722 5.391/6.366 5.836 ± 0.6184
ea12 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea13 1342 1342/1342 1342 ± 0 6.009 5.584/6.36 6.018 ± 0.5229
ea14 1342 1342/1342 1342 ± 0 6.104 5.643/6.643 6.249 ± 0.5899
ea15 1342 1342/1342 1342 ± 0.000007395 6.307 5.661/6.71 6.255 ± 0.7041
ea16 1342 1342/1342 1342 ± 0 6.328 5.75/6.866 6.377 ± 0.7378
ea17 1342 1342/1342 1342 ± 0 6.349 5.784/7.045 6.405 ± 0.6941
ea18 1342 1342/1342 1342 ± 0 6.409 5.84/7.042 6.356 ± 0.6741
ea19 1342 1342/1342 1342 ± 0 6.125 5.495/6.642 6.059 ± 0.6344
ea20 1342 1342/1342 1342 ± 0 6.201 5.764/6.886 6.339 ± 0.5923
ea21 1342 1342/1342 1342 ± 0 5.63 5.132/5.98 5.629 ± 0.5239
ea22 1342 1342/1342 1342 ± 0 6.372 5.787/6.76 6.272 ± 0.6379
ea23 1342 1342/1342 1342 ± 0 6.307 5.526/6.464 6.203 ± 0.6759
ea24 1342 1342/1342 1342 ± 0 6.18 5.457/6.737 6.089 ± 0.6451
ea25 1342 1342/1342 1342 ± 0 6.625 5.741/7.004 6.555 ± 0.8021
ea27 1342 1342/1342 1342 ± 0 6.118 5.405/6.607 6.061 ± 0.6573
ea28 1342 1342/1342 1342 ± 0 6.494 5.902/7.071 6.517 ± 0.6411
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 5.514 5.368/5.721 5.525 ± 0.2618
4 1342 1342/1342 1342 ± 0.00003509 5.147 5.02/5.568 5.252 ± 0.2498
5 1342 1342/1342 1342 ± 0.00002348 5.51 5.225/5.728 5.501 ± 0.3065
6 1342 1342/1342 1342 ± 0.00002348 5.495 5.142/5.631 5.429 ± 0.2913
7 1342 1342/1342 1342 ± 0.00002348 5.555 5.431/5.713 5.516 ± 0.2526
8 1342 1342/1342 1342 ± 0.00002348 5.5 5.281/5.692 5.455 ± 0.2807
9 1342 1342/1342 1342 ± 0.00002348 5.791 5.65/6.012 5.784 ± 0.2764
10 1342 1342/1342 1342 ± 0.00002348 6.295 6.119/6.376 6.226 ± 0.2508
11 1342 1342/1342 1342 ± 0.00002348 6.523 6.319/6.6 6.457 ± 0.2665
12 1342 1342/1342 1342 ± 0.00002348 6.673 6.35/6.84 6.609 ± 0.3237
13 1342 1342/1342 1342 ± 0.00002348 7.064 6.889/7.321 7.054 ± 0.3421
14 1342 1342/1342 1342 ± 0.00002348 7.34 7.058/7.487 7.256 ± 0.3594
15 1342 1342/1342 1342 ± 0.00002348 6.974 6.745/7.221 6.939 ± 0.37
16 1342 1342/1342 1342 ± 0.00002403 6.272 6.05/6.597 6.289 ± 0.3685
17 1342 1342/1342 1342 ± 0.00002354 6.31 6.1/6.517 6.257 ± 0.3324
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms
overwrite_modelcol
False
Start time
2025-08-04 23:14:09.913
End
2025-08-04 23:42:22.313
Duration
0:28:12.400
Note, WebLog generation is not included in the time.

CASA logs for stage 8