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

Statwt Summary Plot

VLASS2.1.sb38526435.eb38567732.59074.15649113426_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 5.554 5.303/5.975 5.707 ± 0.5002
ea02 1342 1342/1342 1342 ± 0 5.793 5.48/6.402 5.989 ± 0.6169
ea05 1342 1342/1342 1342 ± 0 5.728 5.401/6.201 5.852 ± 0.5486
ea06 1342 1342/1342 1342 ± 0 4.956 4.818/5.282 5.045 ± 0.3146
ea07 1342 1342/1342 1342 ± 0 5.994 5.479/6.076 5.938 ± 0.52
ea08 1342 1342/1342 1342 ± 0 5.9 5.603/6.589 6.14 ± 0.6318
ea09 1342 1342/1342 1342 ± 0 5.17 4.904/5.635 5.271 ± 0.4324
ea10 1342 1342/1342 1342 ± 0 5.784 5.246/6.314 5.822 ± 0.5778
ea11 1342 1342/1342 1342 ± 0 5.92 5.441/6.382 5.97 ± 0.5448
ea12 1342 1342/1342 1342 ± 0 5.724 5.378/6.326 5.918 ± 0.5963
ea13 1342 1342/1342 1342 ± 0 6.14 5.829/6.423 6.194 ± 0.4681
ea14 1342 1342/1342 1342 ± 0 5.898 5.421/6.504 6.015 ± 0.6784
ea15 1342 1342/1342 1342 ± 0 5.815 5.273/6.37 5.891 ± 0.6548
ea16 1342 1342/1342 1342 ± 0 5.626 5.456/5.734 5.638 ± 0.4385
ea17 1342 1342/1342 1342 ± 0.00001507 5.934 5.642/6.449 6.098 ± 0.5795
ea18 1342 1342/1342 1342 ± 0 5.121 4.82/5.592 5.24 ± 0.4999
ea19 1342 1342/1342 1342 ± 0 5.985 5.631/6.604 6.166 ± 0.5847
ea20 1342 1342/1342 1342 ± 0 6.252 5.779/6.847 6.289 ± 0.5761
ea21 1342 1342/1342 1342 ± 0.000001107 5.838 5.407/6.224 5.886 ± 0.5067
ea22 1342 1342/1342 1342 ± 0 5.596 5.454/6.355 5.871 ± 0.6205
ea23 1342 1342/1342 1342 ± 0 6.087 5.527/6.452 6.105 ± 0.6201
ea25 1342 1342/1342 1342 ± 0.000001855 5.607 5.364/6.093 5.77 ± 0.5127
ea26 1342 1342/1342 1342 ± 0 5.729 5.519/6.326 5.926 ± 0.5255
ea27 1342 1342/1342 1342 ± 0.00002938 5.551 5.382/6.37 5.79 ± 0.5467
ea28 1342 1342/1342 1342 ± 0.00001812 5.679 5.469/6.414 5.94 ± 0.6134
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 ± 0.00002396 5.506 5.289/5.583 5.445 ± 0.2714
3 1342 1342/1342 1342 ± 0.00002808 5.231 5.091/5.435 5.245 ± 0.2713
4 1342 1342/1342 1342 ± 0.00002408 5.438 5.275/5.595 5.373 ± 0.3315
5 1342 1342/1342 1342 ± 0.00002394 5.444 5.276/5.605 5.419 ± 0.3138
6 1342 1342/1342 1342 ± 0.00002394 5.362 5.281/5.515 5.356 ± 0.2649
7 1342 1342/1342 1342 ± 0.00002394 5.402 5.266/5.521 5.382 ± 0.2312
8 1342 1342/1342 1342 ± 0.00002394 5.356 5.181/5.524 5.331 ± 0.2764
9 1342 1342/1342 1342 ± 0.00002394 5.641 5.502/5.836 5.591 ± 0.3314
10 1342 1342/1342 1342 ± 0.0000243 6.053 5.862/6.16 5.972 ± 0.3195
11 1342 1342/1342 1342 ± 0.0000243 6.284 6.05/6.332 6.163 ± 0.3322
12 1342 1342/1342 1342 ± 0.0000243 6.382 6.191/6.477 6.3 ± 0.3436
13 1342 1342/1342 1342 ± 0.0000243 6.793 6.673/6.951 6.729 ± 0.3668
14 1342 1342/1342 1342 ± 0.0000243 7.044 6.817/7.214 6.929 ± 0.4181
15 1342 1342/1342 1342 ± 0.0000243 6.683 6.484/6.877 6.607 ± 0.4202
16 1342 1342/1342 1342 ± 0.00003064 5.934 5.637/6.231 5.926 ± 0.4008
17 1342 1342/1342 1342 ± 0.00003313 5.867 5.69/6.235 5.936 ± 0.3818
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38526435.eb38567732.59074.15649113426_split_split.ms
statwtmode
VLASS-SE
Start time
2024-12-12 10:27:25.567
End
2024-12-12 11:29:02.944
Duration
1:01:37.377
Note, WebLog generation is not included in the time.

CASA logs for stage 8