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 5.488 5.104/6.178 5.568 ± 0.808
ea02 1342 1342/1342 1342 ± 0.00004708 5.886 5.205/6.692 5.879 ± 0.9235
ea04 1342 1342/1342 1342 ± 0.0000149 5.457 4.946/6.083 5.469 ± 0.7582
ea05 1342 1342/1342 1342 ± 0.00002675 5.95 5.085/6.388 5.759 ± 0.8235
ea06 1342 1342/1342 1342 ± 0.00002202 4.941 4.376/5.32 4.837 ± 0.5673
ea07 1342 1342/1342 1342 ± 0.00004231 5.923 5.277/6.39 5.86 ± 0.9394
ea08 1342 1342/1342 1342 ± 0.0000433 5.633 5.395/6.821 6.017 ± 1.024
ea09 1342 1342/1342 1342 ± 0.00002437 5.769 5.076/6.514 5.712 ± 0.8557
ea10 1342 1342/1342 1342 ± 0.0000289 5.949 5.286/6.825 6.005 ± 0.861
ea11 1342 1342/1342 1342 ± 0.0000426 5.408 5.083/6.58 5.729 ± 1.004
ea12 1342 1342/1342 1342 ± 0.00003562 5.876 5.265/6.646 5.82 ± 0.9784
ea13 1342 1342/1342 1342 ± 0.00001344 6.137 5.378/6.413 5.967 ± 0.778
ea14 1342 1342/1342 1342 ± 0.00004127 5.56 5.241/6.534 5.806 ± 0.9004
ea15 1342 1342/1342 1342 ± 0.00001644 5.157 4.986/6.251 5.538 ± 0.8716
ea16 1342 1342/1342 1342 ± 0.00003676 6.14 5.551/6.949 6.152 ± 0.982
ea17 1342 1342/1342 1342 ± 0.00004323 5.694 5.454/7.079 5.949 ± 1.031
ea18 1342 1342/1342 1342 ± 0.00004139 5.151 4.679/5.765 5.136 ± 0.7137
ea19 1342 1342/1342 1342 ± 0.00001904 6.189 5.521/6.823 6.14 ± 0.9037
ea20 1342 1342/1342 1342 ± 0.00004143 5.899 5.431/7.004 6.057 ± 1.071
ea21 1342 1342/1342 1342 ± 0.0000383 5.775 5.336/6.5 5.797 ± 0.8569
ea22 1342 1342/1342 1342 ± 0.00003817 5.257 4.905/6.386 5.544 ± 0.8213
ea23 1342 1342/1342 1342 ± 0.00004273 5.733 5.435/6.746 5.934 ± 1.006
ea25 1342 1342/1342 1342 ± 0.0000423 5.466 5.187/6.411 5.636 ± 0.9046
ea26 1342 1342/1342 1342 ± 0.00002488 5.93 5.691/6.824 6.122 ± 0.9102
ea27 1342 1342/1342 1342 ± 0.00004231 5.547 5.164/6.633 5.701 ± 0.9007
ea28 1342 1342/1342 1342 ± 0.00004345 5.743 5.237/6.585 5.784 ± 0.9704
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 ± 0.00002359 5.631 5.391/5.889 5.626 ± 0.3366
5 1342 1342/1342 1342 ± 0.00002703 5.821 5.48/5.982 5.733 ± 0.3824
6 1342 1342/1342 1342 ± 0.00002359 5.235 5.043/5.331 5.185 ± 0.2784
7 1342 1342/1342 1342 ± 0.00002359 5.263 5.085/5.436 5.247 ± 0.2771
8 1342 1342/1342 1342 ± 0.00002359 5.302 5.088/5.41 5.253 ± 0.3046
9 1342 1342/1342 1342 ± 0.00002359 5.425 5.216/5.647 5.395 ± 0.3736
10 1342 1342/1342 1342 ± 0.00002359 6.066 5.9/6.311 6.047 ± 0.3288
11 1342 1342/1342 1342 ± 0.00002359 6.409 6.237/6.509 6.339 ± 0.3476
12 1342 1342/1342 1342 ± 0.00002359 6.579 6.394/6.747 6.541 ± 0.3846
13 1342 1342/1342 1342 ± 0.00002359 7.007 6.843/7.232 6.975 ± 0.4166
14 1342 1342/1342 1342 ± 0.00002359 7.214 6.956/7.39 7.117 ± 0.4672
15 1342 1342/1342 1342 ± 0.00002425 6.755 6.504/6.999 6.687 ± 0.4605
16 1342 1342/1342 1342 ± 0.00005488 4.212 4.066/4.405 4.23 ± 0.2187
17 1342 1342/1342 1342 ± 0.00005744 4.283 4.107/4.48 4.295 ± 0.2504
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2024-11-03 05:12:23.626
End
2024-11-03 06:13:02.595
Duration
1:00:38.969
Note, WebLog generation is not included in the time.

CASA logs for stage 8