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 5.793 5.508/6.309 5.922 ± 0.5597
ea02 1342 1342/1342 1342 ± 0 5.902 5.419/6.729 6.08 ± 0.7093
ea04 1342 1342/1342 1342 ± 0 5.401 4.85/5.98 5.422 ± 0.6636
ea05 1342 1342/1342 1342 ± 0 5.781 4.958/6.331 5.606 ± 0.6747
ea06 1342 1342/1342 1342 ± 0 4.736 4.352/5.117 4.744 ± 0.4445
ea07 1342 1342/1342 1342 ± 0 6.232 5.52/6.547 6.174 ± 0.6722
ea08 1342 1342/1342 1342 ± 0.000001534 5.994 5.647/6.96 6.266 ± 0.7668
ea09 1342 1342/1342 1342 ± 0 5.454 5.06/6.435 5.67 ± 0.6801
ea10 1342 1342/1342 1342 ± 0.000005734 6.123 5.348/6.826 6.124 ± 0.7963
ea11 1342 1342/1342 1342 ± 0 6.075 5.349/6.592 6.041 ± 0.7185
ea12 1342 1342/1342 1342 ± 0 5.862 5.211/6.352 5.861 ± 0.6842
ea13 1342 1342/1342 1342 ± 0 5.929 5.358/6.215 5.874 ± 0.6125
ea14 1342 1342/1342 1342 ± 0 6.049 5.201/6.417 5.93 ± 0.7037
ea15 1342 1342/1342 1342 ± 0 5.509 4.726/5.996 5.459 ± 0.7595
ea16 1342 1342/1342 1342 ± 0 6.126 5.514/6.69 6.237 ± 0.7709
ea17 1342 1342/1342 1342 ± 0.00002052 6.265 5.509/7.084 6.317 ± 0.7878
ea18 1342 1342/1342 1342 ± 0 5.206 4.739/5.804 5.27 ± 0.5536
ea19 1342 1342/1342 1342 ± 0 6.223 5.294/6.687 6.082 ± 0.7663
ea20 1342 1342/1342 1342 ± 0 6.326 5.552/6.883 6.21 ± 0.7092
ea21 1342 1342/1342 1342 ± 0 5.739 5.077/6.273 5.714 ± 0.6627
ea22 1342 1342/1342 1342 ± 0 5.399 5.11/6.297 5.679 ± 0.6333
ea23 1342 1342/1342 1342 ± 0 6.366 5.581/6.805 6.267 ± 0.7499
ea25 1342 1342/1342 1342 ± 0 5.864 5.332/6.468 5.918 ± 0.6694
ea26 1342 1342/1342 1342 ± 0 5.72 5.325/6.775 5.986 ± 0.7565
ea27 1342 1342/1342 1342 ± 0.00002471 5.777 5.39/6.702 5.977 ± 0.6957
ea28 1342 1342/1342 1342 ± 0.00001927 5.788 5.562/6.826 6.13 ± 0.748
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 ± 0.00002387 5.266 5.018/5.449 5.213 ± 0.3173
3 1342 1342/1342 1342 ± 0.00002605 5.174 5.031/5.358 5.144 ± 0.2926
4 1342 1342/1342 1342 ± 0.00002604 5.212 4.802/5.511 5.139 ± 0.4104
5 1342 1342/1342 1342 ± 0.0000236 5.218 5.019/5.553 5.254 ± 0.3921
6 1342 1342/1342 1342 ± 0.00002352 5.222 5.055/5.505 5.205 ± 0.3588
7 1342 1342/1342 1342 ± 0.00002354 5.356 5.089/5.506 5.262 ± 0.326
8 1342 1342/1342 1342 ± 0.00002352 5.332 5.062/5.543 5.248 ± 0.3471
9 1342 1342/1342 1342 ± 0.00002349 5.608 5.336/5.932 5.558 ± 0.4228
10 1342 1342/1342 1342 ± 0.00002349 6.14 5.866/6.366 6.058 ± 0.4001
11 1342 1342/1342 1342 ± 0.00002349 6.417 6.089/6.585 6.293 ± 0.4069
12 1342 1342/1342 1342 ± 0.00002349 6.559 6.298/6.778 6.473 ± 0.4182
13 1342 1342/1342 1342 ± 0.00002349 7.093 6.716/7.229 6.956 ± 0.4483
14 1342 1342/1342 1342 ± 0.00002349 7.245 6.839/7.525 7.151 ± 0.5173
15 1342 1342/1342 1342 ± 0.00002349 6.795 6.485/7.018 6.692 ± 0.4684
16 1342 1342/1342 1342 ± 0.00003049 5.93 5.691/6.268 5.948 ± 0.4246
17 1342 1342/1342 1342 ± 0.00002969 5.995 5.684/6.208 5.948 ± 0.4006
statwtmode
VLASS-SE
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-01-23 02:32:06.001
End
2025-01-23 03:01:27.842
Duration
0:29:21.840
Note, WebLog generation is not included in the time.

CASA logs for stage 8