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

Statwt Summary Plot

VLASS2.1.sb38501480.eb38632936.59097.386918425924_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 5.341 5.127/6.134 5.532 ± 0.7158
ea02 1342 1342/1342 1342 ± 0.00004257 5.746 5.202/6.658 5.904 ± 0.8628
ea04 1342 1342/1342 1342 ± 0.000013 5.541 4.916/5.96 5.473 ± 0.7602
ea05 1342 1342/1342 1342 ± 0.00001133 5.997 5.077/6.466 5.815 ± 0.8032
ea06 1342 1342/1342 1342 ± 0.00002393 4.889 4.482/5.263 4.854 ± 0.5216
ea07 1342 1342/1342 1342 ± 0.00004195 5.827 5.245/6.392 5.868 ± 0.907
ea08 1342 1342/1342 1342 ± 0.00004404 5.719 5.363/6.796 6.057 ± 0.9796
ea09 1342 1342/1342 1342 ± 0.0000205 5.742 5.037/6.531 5.76 ± 0.7833
ea10 1342 1342/1342 1342 ± 0.0000434 5.59 5.108/6.725 5.773 ± 0.9669
ea11 1342 1342/1342 1342 ± 0.0000438 5.601 5.081/6.483 5.768 ± 0.9175
ea12 1342 1342/1342 1342 ± 0.00003096 5.925 5.154/6.395 5.758 ± 0.8713
ea13 1342 1342/1342 1342 ± 0.00001092 5.981 5.491/6.372 5.984 ± 0.6911
ea14 1342 1342/1342 1342 ± 0.00004082 5.562 5.131/6.497 5.757 ± 0.882
ea15 1342 1342/1342 1342 ± 0.000006949 5.247 4.964/6.229 5.572 ± 0.8642
ea16 1342 1342/1342 1342 ± 0.0000232 5.896 5.458/6.922 6.071 ± 0.9971
ea17 1342 1342/1342 1342 ± 0.00004406 5.631 5.49/6.701 5.934 ± 0.9363
ea18 1342 1342/1342 1342 ± 0.00004383 5.136 4.629/5.522 5.087 ± 0.6525
ea19 1342 1342/1342 1342 ± 0.00002699 6.127 5.52/6.759 6.117 ± 0.8776
ea20 1342 1342/1342 1342 ± 0.00004286 6.12 5.582/6.784 6.066 ± 0.9764
ea21 1342 1342/1342 1342 ± 0.00003375 5.641 5.31/6.463 5.766 ± 0.8606
ea22 1342 1342/1342 1342 ± 0.00002656 5.139 4.906/6.361 5.604 ± 0.7636
ea23 1342 1342/1342 1342 ± 0.00004297 5.731 5.367/6.709 5.953 ± 0.9969
ea25 1342 1342/1342 1342 ± 0.00004349 5.473 5.102/6.131 5.59 ± 0.8189
ea26 1342 1342/1342 1342 ± 0.00002002 5.924 5.621/6.87 6.159 ± 0.8348
ea27 1342 1342/1342 1342 ± 0.00004365 5.509 5.203/6.489 5.689 ± 0.8613
ea28 1342 1342/1342 1342 ± 0.00004407 5.75 5.283/6.597 5.861 ± 0.9167
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 ± 0.00002349 5.585 5.339/5.854 5.601 ± 0.3257
5 1342 1342/1342 1342 ± 0.00004232 5.405 5.039/5.651 5.348 ± 0.3549
6 1342 1342/1342 1342 ± 0.00002349 5.174 4.99/5.353 5.152 ± 0.2851
7 1342 1342/1342 1342 ± 0.00002349 5.205 5.083/5.37 5.21 ± 0.2772
8 1342 1342/1342 1342 ± 0.00002349 5.3 5.057/5.401 5.204 ± 0.2952
9 1342 1342/1342 1342 ± 0.00002364 5.51 5.246/5.72 5.459 ± 0.3185
10 1342 1342/1342 1342 ± 0.00002349 6.072 5.894/6.255 6.02 ± 0.3293
11 1342 1342/1342 1342 ± 0.00002349 6.379 6.156/6.487 6.308 ± 0.3497
12 1342 1342/1342 1342 ± 0.00002349 6.572 6.367/6.715 6.51 ± 0.3787
13 1342 1342/1342 1342 ± 0.00002349 7.023 6.726/7.205 6.946 ± 0.4213
14 1342 1342/1342 1342 ± 0.00002349 7.216 6.985/7.444 7.136 ± 0.4618
15 1342 1342/1342 1342 ± 0.00002369 6.513 6.221/6.833 6.466 ± 0.5246
16 1342 1342/1342 1342 ± 0.00005791 4.363 4.216/4.628 4.411 ± 0.2647
17 1342 1342/1342 1342 ± 0.00005981 4.506 4.359/4.705 4.545 ± 0.2831
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-11-02 16:53:58.392
End
2024-11-02 17:55:45.043
Duration
1:01:46.651
Note, WebLog generation is not included in the time.

CASA logs for stage 8