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

Statwt Summary Plot

VLASS2.1.sb38501480.eb38632936.59097.386918425924_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 5.347 5.15/6.159 5.563 ± 0.7551
ea02 1342 1342/1342 1342 ± 0.00004498 5.744 5.258/6.698 5.917 ± 0.9007
ea04 1342 1342/1342 1342 ± 0.00002462 5.564 4.935/6.119 5.499 ± 0.7953
ea05 1342 1342/1342 1342 ± 0.00001089 6.001 5.093/6.289 5.789 ± 0.8083
ea06 1342 1342/1342 1342 ± 0.00003481 5.017 4.475/5.277 4.866 ± 0.5248
ea07 1342 1342/1342 1342 ± 0.00003968 5.936 5.282/6.416 5.916 ± 0.911
ea08 1342 1342/1342 1342 ± 0.00004404 5.888 5.417/6.846 6.082 ± 1.012
ea09 1342 1342/1342 1342 ± 0.00003085 5.782 5.063/6.581 5.764 ± 0.8321
ea10 1342 1342/1342 1342 ± 0.00004142 5.846 5.155/6.698 5.83 ± 0.9748
ea11 1342 1342/1342 1342 ± 0.00004382 5.56 5.086/6.598 5.797 ± 0.9442
ea12 1342 1342/1342 1342 ± 0.00004066 5.955 5.165/6.549 5.805 ± 0.9176
ea13 1342 1342/1342 1342 ± 0.00001376 5.994 5.541/6.399 5.966 ± 0.7457
ea14 1342 1342/1342 1342 ± 0.00003423 5.568 5.233/6.537 5.772 ± 0.9112
ea15 1342 1342/1342 1342 ± 0.00001747 5.326 4.996/6.252 5.604 ± 0.8878
ea16 1342 1342/1342 1342 ± 0.00002469 5.981 5.503/6.937 6.092 ± 1.003
ea17 1342 1342/1342 1342 ± 0.00004366 5.712 5.522/7.062 5.99 ± 0.9854
ea18 1342 1342/1342 1342 ± 0.00004248 5.13 4.666/5.766 5.139 ± 0.6664
ea19 1342 1342/1342 1342 ± 0.00001963 6.114 5.556/6.793 6.129 ± 0.8779
ea20 1342 1342/1342 1342 ± 0.00004359 6.226 5.669/6.952 6.143 ± 0.9919
ea21 1342 1342/1342 1342 ± 0.0000306 5.658 5.345/6.47 5.77 ± 0.8785
ea22 1342 1342/1342 1342 ± 0.00004046 5.212 4.939/6.395 5.627 ± 0.7986
ea23 1342 1342/1342 1342 ± 0.00004278 5.754 5.417/6.725 5.955 ± 1.042
ea25 1342 1342/1342 1342 ± 0.00004338 5.485 5.121/6.366 5.627 ± 0.8416
ea26 1342 1342/1342 1342 ± 0.00003039 5.952 5.649/6.953 6.139 ± 0.8933
ea27 1342 1342/1342 1342 ± 0.00004315 5.531 5.277/6.613 5.732 ± 0.8786
ea28 1342 1342/1342 1342 ± 0.00004405 5.821 5.31/6.601 5.88 ± 0.9642
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 5.654 5.354/5.934 5.637 ± 0.3431
5 1342 1342/1342 1342 ± 0.00004277 5.426 5.231/5.761 5.445 ± 0.3476
6 1342 1342/1342 1342 ± 0.00002352 5.205 5.022/5.414 5.182 ± 0.2885
7 1342 1342/1342 1342 ± 0.00002352 5.242 5.089/5.421 5.243 ± 0.279
8 1342 1342/1342 1342 ± 0.00002352 5.322 5.086/5.415 5.236 ± 0.3032
9 1342 1342/1342 1342 ± 0.0000237 5.553 5.321/5.75 5.502 ± 0.3394
10 1342 1342/1342 1342 ± 0.00002351 6.101 5.914/6.29 6.048 ± 0.334
11 1342 1342/1342 1342 ± 0.00002351 6.409 6.184/6.533 6.332 ± 0.351
12 1342 1342/1342 1342 ± 0.00002351 6.586 6.395/6.73 6.53 ± 0.3787
13 1342 1342/1342 1342 ± 0.00002351 7.056 6.736/7.19 6.95 ± 0.4227
14 1342 1342/1342 1342 ± 0.00002351 7.232 7/7.479 7.161 ± 0.4648
15 1342 1342/1342 1342 ± 0.00002414 6.663 6.409/6.971 6.619 ± 0.4682
16 1342 1342/1342 1342 ± 0.00005435 4.376 4.225/4.565 4.386 ± 0.2515
17 1342 1342/1342 1342 ± 0.00005805 4.354 4.198/4.598 4.391 ± 0.257
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
datacolumn
residual_data
output_dir
 
Start time
2025-01-08 08:00:19.641
End
2025-01-08 08:33:06.520
Duration
0:32:46.878
Note, WebLog generation is not included in the time.

CASA logs for stage 8