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

Statwt Summary Plot

VLASS2.1.sb38521729.eb38627577.59093.001901145835_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 5.54 5.293/5.952 5.682 ± 0.5121
ea02 1342 1342/1342 1342 ± 0 5.831 5.438/6.443 5.967 ± 0.6237
ea04 1342 1342/1342 1342 ± 0 5.389 5.087/6.053 5.6 ± 0.5682
ea05 1342 1342/1342 1342 ± 0 5.707 5.255/6.151 5.756 ± 0.5753
ea06 1342 1342/1342 1342 ± 0 4.873 4.65/5.235 4.96 ± 0.3656
ea07 1342 1342/1342 1342 ± 0 6.018 5.502/6.229 5.984 ± 0.529
ea08 1342 1342/1342 1342 ± 0 5.767 5.6/6.566 6.062 ± 0.6321
ea09 1342 1342/1342 1342 ± 0 5.747 5.225/6.238 5.765 ± 0.5952
ea10 1342 1342/1342 1342 ± 0 5.871 5.343/6.467 5.892 ± 0.6237
ea11 1342 1342/1342 1342 ± 0.000003288 5.865 5.145/6.217 5.789 ± 0.6255
ea12 1342 1342/1342 1342 ± 0 6.235 6.03/6.642 6.325 ± 0.4017
ea13 1342 1342/1342 1342 ± 0 6.14 5.786/6.356 6.147 ± 0.4958
ea14 1342 1342/1342 1342 ± 0 5.911 5.279/6.318 5.876 ± 0.5987
ea15 1342 1342/1342 1342 ± 0 5.582 5.082/6.25 5.74 ± 0.709
ea16 1342 1342/1342 1342 ± 0 6.116 5.631/6.661 6.211 ± 0.676
ea17 1342 1342/1342 1342 ± 0.000005968 5.933 5.568/6.587 6.115 ± 0.6341
ea18 1342 1342/1342 1342 ± 0 5.093 4.732/5.574 5.147 ± 0.4979
ea19 1342 1342/1342 1342 ± 0 6.056 5.432/6.567 6.041 ± 0.5964
ea20 1342 1342/1342 1342 ± 0 5.996 5.589/6.552 6.12 ± 0.6154
ea21 1342 1342/1342 1342 ± 0 5.614 5.295/6.143 5.741 ± 0.5223
ea22 1342 1342/1342 1342 ± 0 5.536 5.334/6.354 5.816 ± 0.6099
ea23 1342 1342/1342 1342 ± 0 6.164 5.504/6.601 6.103 ± 0.6473
ea25 1342 1342/1342 1342 ± 0.000004395 5.554 5.253/6.012 5.66 ± 0.5492
ea26 1342 1342/1342 1342 ± 0 6.31 5.719/6.8 6.211 ± 0.6169
ea27 1342 1342/1342 1342 ± 0.000005968 5.553 5.313/6.29 5.736 ± 0.5573
ea28 1342 1342/1342 1342 ± 0.000004561 5.635 5.401/6.367 5.846 ± 0.6116
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 ± 0.00002399 5.383 5.236/5.651 5.399 ± 0.2857
3 1342 1342/1342 1342 ± 0.0000248 5.205 5.027/5.469 5.223 ± 0.288
4 1342 1342/1342 1342 ± 0.00002669 5.17 5.03/5.297 5.154 ± 0.2648
5 1342 1342/1342 1342 ± 0.00002399 5.381 5.122/5.505 5.338 ± 0.3369
6 1342 1342/1342 1342 ± 0.00002399 5.35 5.08/5.441 5.294 ± 0.311
7 1342 1342/1342 1342 ± 0.00002399 5.361 5.146/5.504 5.338 ± 0.2731
8 1342 1342/1342 1342 ± 0.00002399 5.378 5.12/5.467 5.302 ± 0.2851
9 1342 1342/1342 1342 ± 0.00002399 5.615 5.419/5.871 5.579 ± 0.3313
10 1342 1342/1342 1342 ± 0.00002354 6.044 5.817/6.164 5.972 ± 0.3251
11 1342 1342/1342 1342 ± 0.00002354 6.281 6.078/6.361 6.191 ± 0.3262
12 1342 1342/1342 1342 ± 0.00002354 6.361 6.199/6.575 6.351 ± 0.3505
13 1342 1342/1342 1342 ± 0.00002354 6.844 6.647/7.014 6.786 ± 0.357
14 1342 1342/1342 1342 ± 0.00002354 7.007 6.78/7.228 6.96 ± 0.4019
15 1342 1342/1342 1342 ± 0.00002354 6.482 6.32/6.693 6.441 ± 0.3796
16 1342 1342/1342 1342 ± 0.00002412 5.912 5.704/6.25 5.963 ± 0.3621
17 1342 1342/1342 1342 ± 0.00002361 5.956 5.774/6.282 5.978 ± 0.3372
output_dir
 
vis
VLASS2.1.sb38521729.eb38627577.59093.001901145835_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-05-01 07:53:20.782
End
2024-05-01 08:40:23.266
Duration
0:47:02.484
Note, WebLog generation is not included in the time.

CASA logs for stage 7