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

Statwt Summary Plot

VLASS2.1.sb38602933.eb38631109.59096.27884142361_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 5.337 5.276/6.169 5.543 ± 0.7939
ea02 1342 1342/1342 1342 ± 0.00003986 5.926 5.363/6.716 5.921 ± 0.9392
ea04 1342 1342/1342 1342 ± 0.00001976 5.41 5.058/6.152 5.45 ± 0.7804
ea05 1342 1342/1342 1342 ± 0.00003062 5.508 5.075/6.312 5.672 ± 0.7721
ea06 1342 1342/1342 1342 ± 0.00003025 4.951 4.72/5.325 4.885 ± 0.5469
ea07 1342 1342/1342 1342 ± 0.00003742 5.942 5.434/6.37 5.906 ± 0.8409
ea08 1342 1342/1342 1342 ± 0.00003851 6.078 5.618/6.864 6.138 ± 0.9735
ea09 1342 1342/1342 1342 ± 0.00003182 5.554 5.219/6.589 5.717 ± 0.8382
ea10 1342 1342/1342 1342 ± 0.00004006 5.982 5.328/6.78 5.869 ± 0.9586
ea11 1342 1342/1342 1342 ± 0.00004153 5.817 5.184/6.555 5.723 ± 0.9112
ea12 1342 1342/1342 1342 ± 0.00003801 5.74 5.406/6.613 5.837 ± 0.9154
ea13 1342 1342/1342 1342 ± 0.0000178 5.893 5.75/6.409 6.006 ± 0.7488
ea14 1342 1342/1342 1342 ± 0.00004132 5.66 5.177/6.471 5.726 ± 0.834
ea15 1342 1342/1342 1342 ± 0.00001433 5.508 5.103/6.319 5.6 ± 0.9099
ea16 1342 1342/1342 1342 ± 0.00004093 5.965 5.558/6.877 6.079 ± 0.9678
ea17 1342 1342/1342 1342 ± 0.00004013 5.942 5.481/7.05 5.963 ± 0.967
ea18 1342 1342/1342 1342 ± 0.00004314 5.031 4.714/5.751 5.078 ± 0.6739
ea19 1342 1342/1342 1342 ± 0.00001868 5.81 5.559/6.84 6.052 ± 0.8398
ea20 1342 1342/1342 1342 ± 0.0000423 5.9 5.733/7.03 6.095 ± 0.9871
ea21 1342 1342/1342 1342 ± 0.00003944 5.604 5.351/6.383 5.711 ± 0.7847
ea22 1342 1342/1342 1342 ± 0.0000423 5.408 5.059/6.431 5.628 ± 0.8484
ea23 1342 1342/1342 1342 ± 0.00004058 5.879 5.498/6.614 5.888 ± 0.9472
ea25 1342 1342/1342 1342 ± 0.00004059 5.559 5.236/6.349 5.607 ± 0.8178
ea26 1342 1342/1342 1342 ± 0.00003467 5.891 5.688/6.984 6.096 ± 0.9224
ea27 1342 1342/1342 1342 ± 0.00003712 5.582 5.181/6.601 5.722 ± 0.8391
ea28 1342 1342/1342 1342 ± 0.00004185 5.733 5.406/6.617 5.821 ± 0.959
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 ± 0.00002348 5.393 5.255/5.702 5.448 ± 0.2806
5 1342 1342/1342 1342 ± 0.00002372 5.371 5.196/5.6 5.392 ± 0.3302
6 1342 1342/1342 1342 ± 0.00002348 5.369 5.183/5.556 5.351 ± 0.2859
7 1342 1342/1342 1342 ± 0.00002348 5.389 5.266/5.565 5.394 ± 0.2679
8 1342 1342/1342 1342 ± 0.00002348 5.391 5.172/5.543 5.345 ± 0.2896
9 1342 1342/1342 1342 ± 0.00002348 5.659 5.436/5.931 5.637 ± 0.3281
10 1342 1342/1342 1342 ± 0.00002348 6.082 5.89/6.261 6.055 ± 0.3213
11 1342 1342/1342 1342 ± 0.00002348 6.385 6.238/6.507 6.323 ± 0.3404
12 1342 1342/1342 1342 ± 0.00002348 6.577 6.367/6.758 6.521 ± 0.3708
13 1342 1342/1342 1342 ± 0.00002348 6.948 6.746/7.145 6.904 ± 0.406
14 1342 1342/1342 1342 ± 0.00002348 6.996 6.834/7.246 6.959 ± 0.4875
15 1342 1342/1342 1342 ± 0.00002388 6.729 6.517/6.966 6.67 ± 0.4475
16 1342 1342/1342 1342 ± 0.00005226 4.146 3.979/4.339 4.166 ± 0.2543
17 1342 1342/1342 1342 ± 0.00005268 4.14 3.963/4.451 4.214 ± 0.3553
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38602933.eb38631109.59096.27884142361_split_split.ms
statwtmode
VLASS-SE
Start time
2025-01-08 05:13:30.321
End
2025-01-08 05:41:54.341
Duration
0:28:24.021
Note, WebLog generation is not included in the time.

CASA logs for stage 8