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

Statwt Summary Plot

VLASS2.2.sb40869292.eb40982614.59542.13818863426_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 6.091 5.826/6.739 6.185 ± 0.7865
ea03 1342 1342/1342 1342 ± 0.00001291 5.695 5.246/6.367 5.764 ± 0.6994
ea04 1342 1342/1342 1342 ± 0 5.6 5.248/6.039 5.738 ± 0.5072
ea05 1342 1342/1342 1342 ± 0 5.95 5.6/6.564 6.089 ± 0.6563
ea06 1342 1342/1342 1342 ± 0 6.007 5.616/6.381 6.058 ± 0.5347
ea07 1342 1342/1342 1342 ± 0.000001097 5.93 5.432/6.064 5.908 ± 0.5142
ea08 1342 1342/1342 1342 ± 0.000009345 6.219 5.64/6.523 6.183 ± 0.6403
ea09 1342 1342/1342 1342 ± 0.0000061 5.965 5.486/6.672 6.079 ± 0.714
ea10 1342 1342/1342 1342 ± 0 5.95 5.556/6.601 6.061 ± 0.5846
ea11 1342 1342/1342 1342 ± 0 6.138 5.449/6.584 6.108 ± 0.7024
ea12 1342 1342/1342 1342 ± 0 6.027 5.688/6.635 6.179 ± 0.7568
ea13 1342 1342/1342 1342 ± 0 6.013 5.888/6.354 6.132 ± 0.4699
ea14 1342 1342/1342 1342 ± 0 5.965 5.623/6.551 6.099 ± 0.6605
ea15 1342 1342/1342 1342 ± 0 5.478 5.119/5.885 5.548 ± 0.5818
ea16 1342 1342/1342 1342 ± 0 6.175 5.82/6.638 6.27 ± 0.663
ea17 1342 1342/1342 1342 ± 0 6.55 6.246/7.332 6.774 ± 0.6336
ea18 1342 1342/1342 1342 ± 0 5.104 4.875/5.598 5.256 ± 0.492
ea19 1342 1342/1342 1342 ± 0 6.267 5.919/6.879 6.438 ± 0.6391
ea20 1342 1342/1342 1342 ± 0 5.806 5.56/6.363 5.96 ± 0.6204
ea21 1342 1342/1342 1342 ± 0 5.632 5.456/6.23 5.851 ± 0.5132
ea22 1342 1342/1342 1342 ± 0.00001092 5.878 5.481/6.415 5.976 ± 0.6198
ea23 1342 1342/1342 1342 ± 0.000001097 6.199 5.811/6.544 6.278 ± 0.6687
ea24 1342 1342/1342 1342 ± 0.000005422 6.011 5.299/6.414 5.876 ± 0.5845
ea25 1342 1342/1342 1342 ± 0 6.27 5.735/6.726 6.304 ± 0.7689
ea26 1342 1342/1342 1342 ± 0 6.318 5.895/6.954 6.466 ± 0.6361
ea27 1342 1342/1342 1342 ± 0 5.821 5.502/6.608 6.02 ± 0.6467
ea28 1342 1342/1342 1342 ± 0 6.031 5.685/6.652 6.195 ± 0.6498
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 ± 0.00002308 5.7 5.483/5.917 5.687 ± 0.2802
3 1342 1342/1342 1342 ± 0.00002933 5.11 4.873/5.276 5.071 ± 0.4341
4 1342 1342/1342 1342 ± 0.00002308 5.476 5.241/5.77 5.485 ± 0.3943
5 1342 1342/1342 1342 ± 0.00002308 5.646 5.383/5.826 5.628 ± 0.3356
6 1342 1342/1342 1342 ± 0.00002308 5.589 5.385/5.787 5.558 ± 0.2633
7 1342 1342/1342 1342 ± 0.00002308 5.599 5.39/5.773 5.581 ± 0.277
8 1342 1342/1342 1342 ± 0.00002308 5.463 5.275/5.686 5.493 ± 0.3118
9 1342 1342/1342 1342 ± 0.00002308 5.8 5.584/5.984 5.758 ± 0.3077
10 1342 1342/1342 1342 ± 0.00002308 6.254 6.026/6.395 6.154 ± 0.3141
11 1342 1342/1342 1342 ± 0.00002308 6.399 6.28/6.573 6.367 ± 0.3049
12 1342 1342/1342 1342 ± 0.00002308 6.57 6.326/6.677 6.517 ± 0.3632
13 1342 1342/1342 1342 ± 0.00002308 7.016 6.742/7.318 7.011 ± 0.3856
14 1342 1342/1342 1342 ± 0.00002308 7.239 7.036/7.495 7.223 ± 0.3923
15 1342 1342/1342 1342 ± 0.00002308 6.902 6.705/7.219 6.921 ± 0.3668
16 1342 1342/1342 1342 ± 0.00002308 6.29 5.936/6.579 6.283 ± 0.3906
17 1342 1342/1342 1342 ± 0.00002308 6.121 5.974/6.478 6.22 ± 0.3738
vis
VLASS2.2.sb40869292.eb40982614.59542.13818863426_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
Start time
2025-04-24 01:12:59.065
End
2025-04-24 02:25:05.738
Duration
1:12:06.673
Note, WebLog generation is not included in the time.

CASA logs for stage 8