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 5.873 5.289/6.21 5.827 ± 0.5689
ea02 1342 1342/1342 1342 ± 0.00001638 6.242 5.537/6.427 6.11 ± 0.6804
ea03 1342 1342/1342 1342 ± 0.00001776 6.07 5.365/6.703 6.059 ± 0.7169
ea04 1342 1342/1342 1342 ± 0.00001554 5.496 5.11/6 5.526 ± 0.614
ea05 1342 1342/1342 1342 ± 0.0000235 5.772 5.581/6.484 5.972 ± 0.6294
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0 6.058 5.214/6.249 5.949 ± 0.6925
ea08 1342 1342/1342 1342 ± 0 6.485 5.673/6.822 6.362 ± 0.6479
ea09 1342 1342/1342 1342 ± 0.00001039 5.681 5.101/6.401 5.8 ± 0.6659
ea10 1342 1342/1342 1342 ± 0 5.426 5.028/6.092 5.575 ± 0.6044
ea11 1342 1342/1342 1342 ± 0.00002745 5.419 5.202/6.163 5.584 ± 0.6722
ea12 1342 1342/1342 1342 ± 0 5.45 5.298/6.293 5.714 ± 0.6329
ea13 1342 1342/1342 1342 ± 0 6.052 5.476/6.285 6 ± 0.5608
ea14 1342 1342/1342 1342 ± 0.00002417 5.914 5.457/6.497 6.051 ± 0.5844
ea15 1342 1342/1342 1342 ± 0.00002664 5.947 5.26/6.383 5.936 ± 0.7138
ea16 1342 1342/1342 1342 ± 0 6.075 5.59/6.682 6.169 ± 0.6959
ea17 1342 1342/1342 1342 ± 0 6.197 5.708/7.026 6.237 ± 0.7613
ea18 1342 1342/1342 1342 ± 0 6.562 5.885/7.12 6.471 ± 0.6603
ea19 1342 1342/1342 1342 ± 0 5.728 5.242/6.449 5.858 ± 0.6125
ea20 1342 1342/1342 1342 ± 0 6.136 5.643/6.557 6.174 ± 0.5798
ea21 1342 1342/1342 1342 ± 0 5.613 5.145/6.109 5.67 ± 0.5557
ea22 1342 1342/1342 1342 ± 0 6.555 6.025/7.223 6.552 ± 0.6346
ea23 1342 1342/1342 1342 ± 0.000007451 5.849 5.486/6.361 6.05 ± 0.6641
ea24 1342 1342/1342 1342 ± 0 6.045 5.235/6.477 5.864 ± 0.602
ea25 1342 1342/1342 1342 ± 0 6.529 5.603/6.873 6.419 ± 0.8035
ea27 1342 1342/1342 1342 ± 0 5.779 5.358/6.488 5.897 ± 0.6098
ea28 1342 1342/1342 1342 ± 0 6.302 5.679/6.898 6.312 ± 0.6638
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 ± 0.00002401 5.418 5.283/5.546 5.434 ± 0.2015
4 1342 1342/1342 1342 ± 0.00003263 5.081 4.772/5.357 5.131 ± 0.3813
5 1342 1342/1342 1342 ± 0.00003013 5.116 4.887/5.539 5.153 ± 0.3813
6 1342 1342/1342 1342 ± 0.00002401 5.213 5.019/5.443 5.225 ± 0.2881
7 1342 1342/1342 1342 ± 0.00002401 5.347 5.225/5.527 5.351 ± 0.2261
8 1342 1342/1342 1342 ± 0.00002401 5.275 5.135/5.482 5.312 ± 0.2556
9 1342 1342/1342 1342 ± 0.00002401 5.593 5.449/5.866 5.639 ± 0.281
10 1342 1342/1342 1342 ± 0.00002379 6.068 5.927/6.255 6.104 ± 0.2523
11 1342 1342/1342 1342 ± 0.00002352 6.334 6.146/6.477 6.338 ± 0.2678
12 1342 1342/1342 1342 ± 0.00002352 6.462 6.284/6.701 6.494 ± 0.2954
13 1342 1342/1342 1342 ± 0.00002352 6.911 6.702/7.153 6.928 ± 0.3169
14 1342 1342/1342 1342 ± 0.00002352 7.093 6.86/7.4 7.093 ± 0.3217
15 1342 1342/1342 1342 ± 0.00002352 6.688 6.507/7.063 6.739 ± 0.3609
16 1342 1342/1342 1342 ± 0.00003581 6.086 5.715/6.306 6.029 ± 0.4107
17 1342 1342/1342 1342 ± 0.00003467 6.056 5.73/6.259 6.005 ± 0.3729
output_dir
 
vis
VLASS3.2.sb45478884.eb45758950.60430.75354622686_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-18 12:56:02.518
End
2025-07-18 14:13:14.524
Duration
1:17:12.005
Note, WebLog generation is not included in the time.

CASA logs for stage 8