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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.385 5.265/6.023 5.502 ± 0.6748
ea02 1342 1342/1342 1342 ± 0.00004161 5.817 5.341/6.501 5.772 ± 0.8523
ea05 1342 1342/1342 1342 ± 0.00002346 5.559 5.172/6.553 5.794 ± 0.7165
ea06 1342 1342/1342 1342 ± 0.000001558 4.897 4.818/5.424 5.009 ± 0.5109
ea07 1342 1342/1342 1342 ± 0.0000415 5.774 5.319/6.033 5.679 ± 0.7081
ea08 1342 1342/1342 1342 ± 0.00004162 5.945 5.602/6.795 6.028 ± 0.8979
ea09 1342 1342/1342 1342 ± 0.00002781 3.944 3.33/5.912 4.474 ± 1.204
ea10 1342 1342/1342 1342 ± 0.00004113 5.301 5.054/6.361 5.595 ± 0.7647
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.658 5.4/6.633 5.885 ± 0.874
ea13 1342 1342/1342 1342 ± 0.00002109 5.883 5.676/6.393 5.925 ± 0.7385
ea14 1342 1342/1342 1342 ± 0.00001919 6.57 5.922/7.01 6.332 ± 0.8414
ea15 1342 1342/1342 1342 ± 0 5.358 5.191/6.302 5.672 ± 0.8083
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00004168 5.974 5.623/6.645 5.975 ± 0.8394
ea18 1342 1342/1342 1342 ± 0.0000155 5.022 4.684/5.863 5.135 ± 0.6744
ea19 1342 1342/1342 1342 ± 0.0000107 5.685 5.39/6.736 5.98 ± 0.748
ea20 1342 1342/1342 1342 ± 0.000008724 5.965 5.818/7.156 6.15 ± 0.9664
ea21 1342 1342/1342 1342 ± 0.00002336 5.568 5.327/6.387 5.785 ± 0.6992
ea22 1342 1342/1342 1342 ± 0.00004096 5.344 5.12/6.293 5.502 ± 0.8036
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.376 5.327/5.41 5.362 ± 0.172
ea26 1342 1342/1342 1342 ± 0.00001766 5.668 5.49/6.68 5.82 ± 0.7789
ea27 1342 1342/1342 1342 ± 0.00004162 5.506 5.189/6.496 5.655 ± 0.7785
ea28 1342 1342/1342 1342 ± 0.00005318 6.532 5.807/6.674 6.074 ± 1.007
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 ± 0.00002661 5.429 5.191/5.717 5.392 ± 0.5017
3 1342 1342/1342 1342 ± 0.00002661 5.506 5.149/5.657 5.341 ± 0.548
4 1342 1342/1342 1342 ± 0.00004883 5.648 5.538/5.755 5.651 ± 0.1745
5 1342 1342/1342 1342 ± 0.00002661 5.392 5.263/5.58 5.3 ± 0.5635
6 1342 1342/1342 1342 ± 0.00002661 5.33 5.081/5.467 5.229 ± 0.5189
7 1342 1342/1342 1342 ± 0.00002661 5.362 5.137/5.578 5.254 ± 0.5067
8 1342 1342/1342 1342 ± 0.00002661 5.326 5.026/5.405 5.181 ± 0.5154
9 1342 1342/1342 1342 ± 0.00002661 5.603 5.37/5.821 5.482 ± 0.5924
10 1342 1342/1342 1342 ± 0.000026 6.08 5.827/6.162 6.007 ± 0.3444
11 1342 1342/1342 1342 ± 0.000026 6.348 6.265/6.506 6.297 ± 0.363
12 1342 1342/1342 1342 ± 0.000026 6.605 6.282/6.672 6.476 ± 0.3816
13 1342 1342/1342 1342 ± 0.000026 6.754 6.496/7.031 6.735 ± 0.414
14 1342 1342/1342 1342 ± 0.0000272 6.777 6.34/7.116 6.72 ± 0.5014
15 1342 1342/1342 1342 ± 0.000026 6.76 6.638/7.032 6.731 ± 0.4621
16 1342 1342/1342 1342 ± 0.00006103 4.364 4.171/4.532 4.416 ± 0.3437
17 1342 1342/1342 1342 ± 0.00006103 4.315 4.17/4.544 4.394 ± 0.3311
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
Start time
2024-04-27 10:09:00.450
End
2024-04-27 11:07:05.388
Duration
0:58:04.938
Note, WebLog generation is not included in the time.

CASA logs for stage 7