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

Statwt Summary Plot

VLASS3.2.sb45486206.eb46169366.60475.03141015046_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 5.411 4.973/6.134 5.339 ± 1.064
ea02 1342 1342/1342 1342 ± 0.00003746 5.139 4.883/6.276 5.316 ± 1.097
ea03 1342 1342/1342 1342 ± 0.000004883 5.257 5.095/6.26 5.444 ± 0.7515
ea04 1342 1342/1342 1342 ± 0.00004899 4.995 4.583/5.843 4.96 ± 0.8698
ea05 1342 1342/1342 1342 ± 0.00005158 5.164 4.843/6.165 5.194 ± 1
ea06 1342 1342/1342 1342 ± 0.00002283 4.776 4.614/5.739 4.938 ± 0.8089
ea07 1342 1342/1342 1342 ± 0.00004104 5.008 4.804/6.023 5.128 ± 0.9943
ea08 1342 1342/1342 1342 ± 0.0000179 5.515 5.146/6.624 5.581 ± 1.102
ea09 1342 1342/1342 1342 ± 0.00004717 5.006 4.836/5.944 5.237 ± 0.8092
ea10 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea11 1342 1342/1342 1342 ± 0.00005362 5.158 4.446/6.158 5.039 ± 1.066
ea12 1342 1342/1342 1342 ± 0.00004595 5.042 4.653/5.786 4.96 ± 0.924
ea14 1342 1342/1342 1342 ± 0.00005054 5.229 4.98/6.275 5.284 ± 1.006
ea15 1342 1342/1342 1342 ± 0.00005105 5.396 4.944/6.462 5.386 ± 1.072
ea16 1342 1342/1342 1342 ± 0.00002031 5.472 5.146/6.279 5.46 ± 0.9812
ea17 1342 1342/1342 1342 ± 0.00004269 5.576 5.128/6.448 5.496 ± 1.127
ea18 1342 1342/1342 1342 ± 0.00001419 5.587 5.29/6.581 5.641 ± 1.067
ea19 1342 1342/1342 1342 ± 0.00004037 5.186 4.881/6.11 5.18 ± 0.9912
ea20 1342 1342/1342 1342 ± 0.00003594 5.663 5.267/6.61 5.664 ± 0.9987
ea21 1342 1342/1342 1342 ± 0.000006521 4.977 4.846/5.59 5.053 ± 0.6084
ea22 1342 1342/1342 1342 ± 0.00002903 5.396 4.935/6.258 5.336 ± 1.043
ea23 1342 1342/1342 1342 ± 0.00004837 5.441 4.887/6.217 5.331 ± 1.022
ea24 1342 1342/1342 1342 ± 0.00001156 4.932 4.713/5.906 5.272 ± 0.7128
ea25 1342 1342/1342 1342 ± 0.000009913 5.579 5.334/6.44 5.772 ± 0.8257
ea27 1342 1342/1342 1342 ± 0.00001672 5.059 4.697/6.062 5.111 ± 0.9199
ea28 1342 1342/1342 1342 ± 0.000004705 5.584 5.453/6.633 5.731 ± 0.8606
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 ± 0.00002442 5.126 4.868/5.267 5.08 ± 0.2841
5 1342 1342/1342 1342 ± 0.00003867 4.952 4.813/5.309 5.029 ± 0.348
6 1342 1342/1342 1342 ± 0.00002492 5.086 4.817/5.302 5.08 ± 0.2682
7 1342 1342/1342 1342 ± 0.00002442 5.198 5.016/5.397 5.216 ± 0.2469
8 1342 1342/1342 1342 ± 0.00002442 5.145 4.958/5.348 5.159 ± 0.2795
9 1342 1342/1342 1342 ± 0.00002442 5.364 5.189/5.613 5.385 ± 0.2639
10 1342 1342/1342 1342 ± 0.0000244 5.968 5.791/6.075 5.939 ± 0.2638
11 1342 1342/1342 1342 ± 0.0000244 6.257 6.116/6.44 6.233 ± 0.274
12 1342 1342/1342 1342 ± 0.0000244 6.388 6.266/6.596 6.42 ± 0.3228
13 1342 1342/1342 1342 ± 0.00002472 6.476 6.278/6.742 6.497 ± 0.3874
14 1342 1342/1342 1342 ± 0.00005531 4.64 4.302/5.088 4.756 ± 0.5829
15 1342 1342/1342 1342 ± 0.0000244 6.584 6.198/6.854 6.507 ± 0.4165
16 1342 1342/1342 1342 ± 0.00006077 3.417 3.267/3.866 3.59 ± 0.472
17 1342 1342/1342 1342 ± 0.00006059 3.437 3.26/3.742 3.524 ± 0.3849
vis
VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-07-23 11:09:14.311
End
2025-07-23 12:01:35.793
Duration
0:52:21.482
Note, WebLog generation is not included in the time.

CASA logs for stage 8