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

Statwt Summary Plot

VLASS2.1.sb38478946.eb38565032.59070.1037453125_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 5.344 5.207/6.13 5.628 ± 0.7025
ea02 1342 1342/1342 1342 ± 0.00002417 6.205 5.377/6.905 6.085 ± 0.7803
ea04 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea05 1342 1342/1342 1342 ± 0.00002868 5.564 5.054/6.362 5.719 ± 0.7354
ea06 1342 1342/1342 1342 ± 0.000001274 4.79 4.67/5.323 4.948 ± 0.4981
ea07 1342 1342/1342 1342 ± 0.00002289 5.799 5.426/6.005 5.773 ± 0.6539
ea08 1342 1342/1342 1342 ± 0.0000393 6.199 5.608/6.903 6.244 ± 0.9435
ea09 1342 1342/1342 1342 ± 0.00001817 5.127 4.721/5.728 5.226 ± 0.5567
ea10 1342 1342/1342 1342 ± 0.00003787 5.62 5.107/6.393 5.653 ± 0.7867
ea11 1342 1342/1342 1342 ± 0.00003478 5.823 5.326/6.484 5.861 ± 0.8134
ea12 1342 1342/1342 1342 ± 0.000005199 5.582 5.28/6.533 5.816 ± 0.8486
ea13 1342 1342/1342 1342 ± 0.00001409 5.78 5.621/6.249 5.956 ± 0.6291
ea14 1342 1342/1342 1342 ± 0.00003385 6.502 5.867/6.922 6.181 ± 0.8967
ea15 1342 1342/1342 1342 ± 0 5.383 5.215/6.281 5.698 ± 0.7703
ea16 1342 1342/1342 1342 ± 0.0000226 5.013 4.734/5.337 5.058 ± 0.4319
ea17 1342 1342/1342 1342 ± 0.00003856 5.947 5.523/6.928 6.052 ± 0.9143
ea18 1342 1342/1342 1342 ± 0.00001077 5.102 4.857/5.743 5.277 ± 0.5448
ea19 1342 1342/1342 1342 ± 0.000015 5.738 5.509/6.703 6.039 ± 0.7771
ea20 1342 1342/1342 1342 ± 0.000004931 5.884 5.748/6.784 6.112 ± 0.8874
ea21 1342 1342/1342 1342 ± 0.00002946 5.567 5.277/6.314 5.726 ± 0.7429
ea22 1342 1342/1342 1342 ± 0.00003463 5.403 5.046/6.414 5.696 ± 0.7344
ea23 1342 1342/1342 1342 ± 0.0000379 5.715 5.429/6.565 5.933 ± 0.8831
ea25 1342 1342/1342 1342 ± 0 5.306 5.27/5.458 5.338 ± 0.1476
ea26 1342 1342/1342 1342 ± 0.00002392 5.607 5.545/6.579 5.958 ± 0.6911
ea27 1342 1342/1342 1342 ± 0.00003827 5.518 5.151/6.478 5.692 ± 0.8099
ea28 1342 1342/1342 1342 ± 0.00004834 6.605 6.083/6.959 6.224 ± 1.039
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 ± 0.00002494 5.328 5.146/5.601 5.358 ± 0.3254
5 1342 1342/1342 1342 ± 0.00002548 5.521 5.34/5.615 5.48 ± 0.3044
6 1342 1342/1342 1342 ± 0.00002494 5.367 5.117/5.539 5.339 ± 0.3012
7 1342 1342/1342 1342 ± 0.00002494 5.32 5.116/5.469 5.291 ± 0.2803
8 1342 1342/1342 1342 ± 0.00002494 5.318 5.057/5.533 5.255 ± 0.3325
9 1342 1342/1342 1342 ± 0.00002553 5.566 5.273/5.78 5.465 ± 0.3937
10 1342 1342/1342 1342 ± 0.00002444 6.066 5.805/6.173 5.944 ± 0.3896
11 1342 1342/1342 1342 ± 0.00002444 6.275 6.15/6.452 6.177 ± 0.4293
12 1342 1342/1342 1342 ± 0.00002444 6.47 6.196/6.585 6.345 ± 0.4317
13 1342 1342/1342 1342 ± 0.00002444 6.931 6.561/7.069 6.77 ± 0.4462
14 1342 1342/1342 1342 ± 0.00002444 7.078 6.829/7.275 6.954 ± 0.482
15 1342 1342/1342 1342 ± 0.00002475 6.5 6.334/6.709 6.428 ± 0.4802
16 1342 1342/1342 1342 ± 0.00006102 4.473 4.339/4.711 4.509 ± 0.2331
17 1342 1342/1342 1342 ± 0.00005776 4.586 4.347/4.756 4.561 ± 0.3127
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38478946.eb38565032.59070.1037453125_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-12-05 07:44:07.266
End
2024-12-05 08:35:01.321
Duration
0:50:54.055
Note, WebLog generation is not included in the time.

CASA logs for stage 8