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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.537 5.355/6 5.744 ± 0.5431
ea02 1342 1342/1342 1342 ± 0.00001333 5.895 5.472/6.648 6.04 ± 0.6645
ea04 1342 1342/1342 1342 ± 0 5.462 5.114/6.087 5.661 ± 0.5824
ea05 1342 1342/1342 1342 ± 0 5.739 5.293/6.137 5.793 ± 0.6171
ea06 1342 1342/1342 1342 ± 0 4.776 4.594/5.293 4.928 ± 0.4033
ea07 1342 1342/1342 1342 ± 0.000003499 6.027 5.546/6.345 6.069 ± 0.6053
ea08 1342 1342/1342 1342 ± 0.00002234 5.939 5.562/6.746 6.144 ± 0.6975
ea09 1342 1342/1342 1342 ± 0.000004285 5.584 5.23/6.25 5.758 ± 0.6669
ea10 1342 1342/1342 1342 ± 0.000003215 6.007 5.453/6.661 6.04 ± 0.7008
ea11 1342 1342/1342 1342 ± 0.000003779 5.875 5.258/6.429 5.903 ± 0.6712
ea12 1342 1342/1342 1342 ± 0 5.783 5.412/6.412 5.996 ± 0.6528
ea13 1342 1342/1342 1342 ± 0.000002893 5.894 5.756/6.411 6.133 ± 0.5423
ea14 1342 1342/1342 1342 ± 0 5.851 5.231/6.389 5.894 ± 0.6877
ea15 1342 1342/1342 1342 ± 0 5.641 5.147/6.263 5.788 ± 0.7272
ea16 1342 1342/1342 1342 ± 0 6.283 5.718/6.815 6.367 ± 0.7604
ea17 1342 1342/1342 1342 ± 0.00001546 6.116 5.642/6.862 6.234 ± 0.6703
ea18 1342 1342/1342 1342 ± 0 5.067 4.788/5.605 5.209 ± 0.5335
ea19 1342 1342/1342 1342 ± 0 5.81 5.604/6.807 6.235 ± 0.7409
ea20 1342 1342/1342 1342 ± 0 6.155 5.736/6.756 6.297 ± 0.6695
ea21 1342 1342/1342 1342 ± 0 5.766 5.44/6.342 5.913 ± 0.607
ea22 1342 1342/1342 1342 ± 0.000007175 5.459 5.248/6.431 5.791 ± 0.6501
ea23 1342 1342/1342 1342 ± 0.000002556 6.245 5.584/6.72 6.224 ± 0.7017
ea25 1342 1342/1342 1342 ± 0.000004766 5.719 5.307/6.176 5.802 ± 0.6102
ea26 1342 1342/1342 1342 ± 0.00000404 5.875 5.608/6.617 6.156 ± 0.7012
ea27 1342 1342/1342 1342 ± 0.00001969 5.684 5.416/6.508 5.898 ± 0.6162
ea28 1342 1342/1342 1342 ± 0.00003581 5.685 5.471/6.469 5.938 ± 0.6892
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 ± 0.00002352 5.4 5.215/5.575 5.382 ± 0.2693
3 1342 1342/1342 1342 ± 0.00002509 5.161 4.968/5.407 5.158 ± 0.3029
4 1342 1342/1342 1342 ± 0.00002435 5.344 5.045/5.462 5.216 ± 0.2969
5 1342 1342/1342 1342 ± 0.00002352 5.476 5.202/5.64 5.429 ± 0.3332
6 1342 1342/1342 1342 ± 0.00002352 5.399 5.156/5.585 5.355 ± 0.3049
7 1342 1342/1342 1342 ± 0.00002352 5.448 5.274/5.616 5.416 ± 0.2879
8 1342 1342/1342 1342 ± 0.00002352 5.451 5.236/5.555 5.372 ± 0.311
9 1342 1342/1342 1342 ± 0.00002352 5.703 5.48/5.963 5.664 ± 0.3605
10 1342 1342/1342 1342 ± 0.00002397 6.117 5.917/6.303 6.072 ± 0.3325
11 1342 1342/1342 1342 ± 0.00002397 6.363 6.167/6.5 6.292 ± 0.3463
12 1342 1342/1342 1342 ± 0.00002352 6.486 6.37/6.723 6.479 ± 0.3759
13 1342 1342/1342 1342 ± 0.00002352 6.976 6.875/7.168 6.952 ± 0.4056
14 1342 1342/1342 1342 ± 0.00002427 7.29 7.033/7.474 7.185 ± 0.4517
15 1342 1342/1342 1342 ± 0.00002661 6.758 6.495/6.911 6.648 ± 0.4256
16 1342 1342/1342 1342 ± 0.00003565 5.939 5.696/6.246 5.964 ± 0.4141
17 1342 1342/1342 1342 ± 0.00003461 6.008 5.668/6.235 5.981 ± 0.3962
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-02-21 20:54:16.990
End
2025-02-21 21:27:37.525
Duration
0:33:20.535
Note, WebLog generation is not included in the time.

CASA logs for stage 8