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

Statwt Summary Plot

VLASS2.1.sb38504727.eb38659863.59113.352947384265_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 6.119 5.78/6.758 6.319 ± 0.6051
ea02 1342 1342/1342 1342 ± 0.00003734 6.396 6.042/7.082 6.569 ± 0.6795
ea04 1342 1342/1342 1342 ± 0.00001321 5.736 5.232/6.201 5.796 ± 0.5951
ea05 1342 1342/1342 1342 ± 0.000007162 5.825 5.377/6.519 5.929 ± 0.6606
ea06 1342 1342/1342 1342 ± 0.00002066 5.342 4.83/5.558 5.285 ± 0.4257
ea07 1342 1342/1342 1342 ± 0.00004404 6.027 5.703/6.642 6.337 ± 0.6969
ea08 1342 1342/1342 1342 ± 0.00003374 6.312 5.976/7.463 6.797 ± 0.8376
ea09 1342 1342/1342 1342 ± 0.000007982 6.076 5.62/6.795 6.232 ± 0.6579
ea10 1342 1342/1342 1342 ± 0.00004625 6.144 5.765/7.252 6.499 ± 0.7669
ea11 1342 1342/1342 1342 ± 0.00004437 6.1 5.632/7 6.417 ± 0.8073
ea12 1342 1342/1342 1342 ± 0.00002043 5.854 5.449/6.601 6.095 ± 0.6921
ea13 1342 1342/1342 1342 ± 0.0000046 6.525 6.093/7.061 6.509 ± 0.5671
ea14 1342 1342/1342 1342 ± 0.00003851 5.912 5.513/6.668 6.145 ± 0.6894
ea15 1342 1342/1342 1342 ± 0.00001172 6.061 5.282/6.537 6.092 ± 0.7607
ea16 1342 1342/1342 1342 ± 0.000007268 6.192 5.682/6.965 6.375 ± 0.834
ea17 1342 1342/1342 1342 ± 0.00004473 6.278 6.124/7.292 6.719 ± 0.7808
ea18 1342 1342/1342 1342 ± 0.00004001 5.463 5.155/5.99 5.612 ± 0.4958
ea19 1342 1342/1342 1342 ± 0.00001952 6.142 5.699/6.816 6.282 ± 0.6833
ea20 1342 1342/1342 1342 ± 0.00002732 6.063 5.866/7.071 6.45 ± 0.7089
ea21 1342 1342/1342 1342 ± 0.00002286 5.716 5.443/6.468 6.015 ± 0.6354
ea22 1342 1342/1342 1342 ± 0.00001216 6.234 5.377/6.551 6.111 ± 0.7002
ea23 1342 1342/1342 1342 ± 0.00004276 5.979 5.713/6.888 6.372 ± 0.7729
ea25 1342 1342/1342 1342 ± 0.00004401 6.013 5.818/6.802 6.366 ± 0.7127
ea26 1342 1342/1342 1342 ± 0.000007554 6.518 5.861/7.178 6.584 ± 0.7006
ea27 1342 1342/1342 1342 ± 0.00004423 5.975 5.87/7.01 6.377 ± 0.6987
ea28 1342 1342/1342 1342 ± 0.00004361 6.23 5.985/7.196 6.614 ± 0.7384
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 5.732 5.399/5.882 5.661 ± 0.323
5 1342 1342/1342 1342 ± 0.00004087 5.687 5.566/5.953 5.717 ± 0.2895
6 1342 1342/1342 1342 ± 0.00002462 5.585 5.419/5.871 5.613 ± 0.297
7 1342 1342/1342 1342 ± 0.00002414 5.661 5.434/5.842 5.622 ± 0.298
8 1342 1342/1342 1342 ± 0.00002414 5.58 5.333/5.835 5.575 ± 0.3142
9 1342 1342/1342 1342 ± 0.00002795 5.858 5.464/6.018 5.752 ± 0.3605
10 1342 1342/1342 1342 ± 0.00002352 6.46 6.113/6.688 6.385 ± 0.4077
11 1342 1342/1342 1342 ± 0.00002352 6.611 6.513/6.9 6.62 ± 0.4236
12 1342 1342/1342 1342 ± 0.00002396 6.814 6.516/7.09 6.787 ± 0.4437
13 1342 1342/1342 1342 ± 0.00002352 7.354 7.074/7.575 7.291 ± 0.4462
14 1342 1342/1342 1342 ± 0.00002352 7.542 7.341/7.818 7.491 ± 0.4885
15 1342 1342/1342 1342 ± 0.00002427 6.943 6.774/7.229 6.904 ± 0.4605
16 1342 1342/1342 1342 ± 0.000061 5.726 5.52/5.943 5.706 ± 0.3079
17 1342 1342/1342 1342 ± 0.00006065 5.948 5.782/6.21 5.963 ± 0.3545
output_dir
 
vis
VLASS2.1.sb38504727.eb38659863.59113.352947384265_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-01-07 05:04:58.578
End
2025-01-07 06:13:26.097
Duration
1:08:27.519
Note, WebLog generation is not included in the time.

CASA logs for stage 8