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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.519 5.484/6.239 5.849 ± 0.5929
ea02 1342 1342/1342 1342 ± 0.0000415 6.056 5.608/6.709 6.193 ± 0.6391
ea03 1342 1342/1342 1342 ± 0 5.708 4.985/6.184 5.635 ± 0.6198
ea04 1342 1342/1342 1342 ± 0 5.698 5.265/6.227 5.779 ± 0.5654
ea05 1342 1342/1342 1342 ± 0 6.161 5.601/6.645 6.004 ± 0.6791
ea06 1342 1342/1342 1342 ± 0 4.859 4.61/4.924 4.755 ± 0.2584
ea07 1342 1342/1342 1342 ± 0 6.136 5.679/6.435 6.198 ± 0.6055
ea08 1342 1342/1342 1342 ± 0 6.058 5.705/6.901 6.275 ± 0.711
ea09 1342 1342/1342 1342 ± 0 5.989 5.453/6.688 6.017 ± 0.7116
ea10 1342 1342/1342 1342 ± 0 6.018 5.539/6.807 6.136 ± 0.6747
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.02 5.414/6.446 6 ± 0.6895
ea13 1342 1342/1342 1342 ± 0 6.573 6.002/6.691 6.368 ± 0.6732
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.124 5.613/6.558 6.153 ± 0.6659
ea16 1342 1342/1342 1342 ± 0 6.43 5.914/6.99 6.458 ± 0.7819
ea17 1342 1342/1342 1342 ± 0 6.622 5.994/7.248 6.645 ± 0.6595
ea18 1342 1342/1342 1342 ± 0 5.132 4.741/5.565 5.175 ± 0.502
ea19 1342 1342/1342 1342 ± 0 6.241 5.599/6.71 6.154 ± 0.6247
ea20 1342 1342/1342 1342 ± 0 6.1 5.591/6.704 6.08 ± 0.6874
ea21 1342 1342/1342 1342 ± 0 6.007 5.624/6.569 6.077 ± 0.641
ea22 1342 1342/1342 1342 ± 0 5.925 5.48/6.48 5.945 ± 0.5993
ea23 1342 1342/1342 1342 ± 0 6.279 5.66/6.706 6.238 ± 0.6912
ea24 1342 1342/1342 1342 ± 0 6.085 5.688/6.805 6.16 ± 0.6885
ea25 1342 1342/1342 1342 ± 0 5.768 5.456/6.335 5.898 ± 0.5967
ea26 1342 1342/1342 1342 ± 0 6.596 5.931/7.22 6.497 ± 0.7547
ea27 1342 1342/1342 1342 ± 0 5.642 5.535/6.517 5.91 ± 0.631
ea28 1342 1342/1342 1342 ± 0 5.593 5.396/6.369 5.817 ± 0.6367
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 ± 0.00002363 5.595 5.394/5.71 5.519 ± 0.2985
4 1342 1342/1342 1342 ± 0.00002574 4.847 4.579/5.011 4.791 ± 0.26
5 1342 1342/1342 1342 ± 0.00002363 5.544 5.332/5.733 5.527 ± 0.3587
6 1342 1342/1342 1342 ± 0.00002363 5.556 5.398/5.748 5.523 ± 0.3371
7 1342 1342/1342 1342 ± 0.00002363 5.571 5.399/5.688 5.516 ± 0.3089
8 1342 1342/1342 1342 ± 0.00002363 5.466 5.278/5.635 5.434 ± 0.3374
9 1342 1342/1342 1342 ± 0.00002363 5.744 5.488/6.059 5.718 ± 0.3781
10 1342 1342/1342 1342 ± 0.00002408 6.235 6.026/6.431 6.21 ± 0.3417
11 1342 1342/1342 1342 ± 0.00002408 6.495 6.292/6.61 6.431 ± 0.3288
12 1342 1342/1342 1342 ± 0.00002408 6.606 6.432/6.715 6.592 ± 0.3609
13 1342 1342/1342 1342 ± 0.00002408 7.068 6.836/7.114 7.002 ± 0.3601
14 1342 1342/1342 1342 ± 0.00002408 7.185 6.975/7.468 7.192 ± 0.3933
15 1342 1342/1342 1342 ± 0.00002408 6.805 6.644/7.027 6.794 ± 0.3631
16 1342 1342/1342 1342 ± 0.00002456 6.142 5.887/6.349 6.143 ± 0.375
17 1342 1342/1342 1342 ± 0.00002456 6.21 5.961/6.369 6.173 ± 0.3581
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
statwtmode
VLASS-SE
Start time
2025-01-11 02:12:23.150
End
2025-01-11 03:09:34.959
Duration
0:57:11.809
Note, WebLog generation is not included in the time.

CASA logs for stage 8