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

Statwt Summary Plot

VLASS2.1.sb38498189.eb38518036.59051.15321533565_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 5.302 5.08/6.152 5.501 ± 0.7961
ea02 1342 1342/1342 1342 ± 0.00004773 5.715 5.266/6.565 5.749 ± 0.9168
ea04 1342 1342/1342 1342 ± 0.00003285 5.328 4.997/5.885 5.388 ± 0.7089
ea05 1342 1342/1342 1342 ± 0.00002907 5.535 5.061/6.33 5.632 ± 0.8213
ea06 1342 1342/1342 1342 ± 0.00003576 4.682 4.602/5.415 4.865 ± 0.5956
ea07 1342 1342/1342 1342 ± 0.0000429 5.708 5.324/6.182 5.713 ± 0.7988
ea08 1342 1342/1342 1342 ± 0.00004297 5.785 5.439/6.768 5.956 ± 0.9786
ea09 1342 1342/1342 1342 ± 0.00002132 5.314 4.922/5.669 5.209 ± 0.6357
ea10 1342 1342/1342 1342 ± 0.00004258 4.914 4.58/5.606 4.987 ± 0.6371
ea11 1342 1342/1342 1342 ± 0.00004125 5.616 5.316/6.528 5.825 ± 0.9366
ea12 1342 1342/1342 1342 ± 0.00004184 5.51 5.175/6.417 5.65 ± 0.9197
ea13 1342 1342/1342 1342 ± 0.000008948 5.754 5.568/6.25 5.835 ± 0.7466
ea14 1342 1342/1342 1342 ± 0.0000417 5.619 5.309/6.586 5.836 ± 0.8931
ea15 1342 1342/1342 1342 ± 0.00003036 5.4 5.217/6.351 5.638 ± 0.8751
ea16 1342 1342/1342 1342 ± 0.0000405 5.791 5.449/6.752 5.969 ± 0.9712
ea17 1342 1342/1342 1342 ± 0.00003931 5.836 5.357/6.95 5.949 ± 0.9347
ea18 1342 1342/1342 1342 ± 0.00004161 4.87 4.775/5.752 5.119 ± 0.6782
ea19 1342 1342/1342 1342 ± 0.00001651 5.789 5.497/6.637 5.944 ± 0.8826
ea20 1342 1342/1342 1342 ± 0.00004109 5.857 5.717/6.76 6.037 ± 0.9641
ea21 1342 1342/1342 1342 ± 0.00004011 5.594 5.311/6.354 5.691 ± 0.8185
ea22 1342 1342/1342 1342 ± 0.00003857 5.358 5.034/6.388 5.578 ± 0.8398
ea23 1342 1342/1342 1342 ± 0.00004383 5.71 5.344/6.599 5.825 ± 0.9754
ea24 1342 1342/1342 1342 ± 0.0000091 5.144 4.821/6.044 5.358 ± 0.7271
ea25 1342 1342/1342 1342 ± 0.00004265 5.288 4.997/6.287 5.51 ± 0.8699
ea26 1342 1342/1342 1342 ± 0.00002467 5.723 5.613/6.701 5.934 ± 0.8901
ea27 1342 1342/1342 1342 ± 0.00004303 5.576 5.25/6.542 5.7 ± 0.8487
ea28 1342 1342/1342 1342 ± 0.00004335 5.541 5.339/6.564 5.757 ± 0.9246
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 ± 0.00002307 5.345 5.052/5.529 5.279 ± 0.3619
5 1342 1342/1342 1342 ± 0.00002396 5.599 5.303/5.766 5.566 ± 0.3288
6 1342 1342/1342 1342 ± 0.00002307 5.299 4.997/5.49 5.261 ± 0.2874
7 1342 1342/1342 1342 ± 0.00002307 5.301 5.057/5.458 5.241 ± 0.2912
8 1342 1342/1342 1342 ± 0.00002307 5.285 4.958/5.469 5.232 ± 0.3302
9 1342 1342/1342 1342 ± 0.00002364 5.567 5.122/5.71 5.399 ± 0.3515
10 1342 1342/1342 1342 ± 0.00002307 6.065 5.858/6.162 5.968 ± 0.3369
11 1342 1342/1342 1342 ± 0.00002307 6.251 6.046/6.468 6.202 ± 0.3533
12 1342 1342/1342 1342 ± 0.00002307 6.421 6.178/6.597 6.37 ± 0.3844
13 1342 1342/1342 1342 ± 0.00002307 6.837 6.49/7.053 6.732 ± 0.4527
14 1342 1342/1342 1342 ± 0.00002307 7.001 6.695/7.179 6.845 ± 0.4846
15 1342 1342/1342 1342 ± 0.00002414 6.449 6.112/6.669 6.348 ± 0.4705
16 1342 1342/1342 1342 ± 0.0000543 4.131 4.024/4.227 4.123 ± 0.1884
17 1342 1342/1342 1342 ± 0.00005319 4.139 4.01/4.321 4.169 ± 0.2356
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38498189.eb38518036.59051.15321533565_split_split.ms
output_dir
 
datacolumn
residual_data
Start time
2024-05-01 05:29:27.519
End
2024-05-01 06:03:08.642
Duration
0:33:41.122
Note, WebLog generation is not included in the time.

CASA logs for stage 7