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

Statwt Summary Plot

VLASS2.1.sb38617404.eb38633387.59098.857396747684_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 5.209 5.08/5.739 5.396 ± 0.5166
ea02 1342 1342/1342 1342 ± 0.000002327 5.583 5.273/6.207 5.764 ± 0.6492
ea04 1342 1342/1342 1342 ± 0 5.145 4.807/5.6 5.244 ± 0.4754
ea05 1342 1342/1342 1342 ± 0 5.476 5.099/5.893 5.522 ± 0.539
ea06 1342 1342/1342 1342 ± 0 5.027 4.734/5.562 5.158 ± 0.5002
ea07 1342 1342/1342 1342 ± 0.00002527 5.614 5.226/5.914 5.697 ± 0.5297
ea08 1342 1342/1342 1342 ± 0.00002626 5.589 5.234/6.285 5.778 ± 0.6657
ea09 1342 1342/1342 1342 ± 0 5.516 5.044/5.979 5.555 ± 0.5737
ea10 1342 1342/1342 1342 ± 0.00003968 5.549 5.092/6.212 5.639 ± 0.611
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.584 5.151/6.095 5.69 ± 0.5861
ea13 1342 1342/1342 1342 ± 0 5.941 5.637/6.14 5.975 ± 0.4642
ea14 1342 1342/1342 1342 ± 0 5.484 5.105/6.019 5.595 ± 0.5703
ea15 1342 1342/1342 1342 ± 0 5.365 4.987/5.947 5.546 ± 0.6058
ea16 1342 1342/1342 1342 ± 0 5.948 5.482/6.459 6.01 ± 0.6302
ea17 1342 1342/1342 1342 ± 0.00000329 5.515 5.346/6.12 5.729 ± 0.5841
ea18 1342 1342/1342 1342 ± 0.000001193 4.758 4.522/5.234 4.874 ± 0.4801
ea19 1342 1342/1342 1342 ± 0 5.798 5.445/6.349 5.974 ± 0.5629
ea20 1342 1342/1342 1342 ± 0 5.864 5.531/6.383 5.959 ± 0.5695
ea21 1342 1342/1342 1342 ± 0 5.351 5.188/5.904 5.567 ± 0.4705
ea22 1342 1342/1342 1342 ± 0 5.333 5.122/6.097 5.593 ± 0.6148
ea23 1342 1342/1342 1342 ± 0.000009772 5.604 5.312/6.103 5.778 ± 0.5985
ea25 1342 1342/1342 1342 ± 0.000002327 5.195 5.043/5.769 5.396 ± 0.5127
ea26 1342 1342/1342 1342 ± 0 5.823 5.527/6.417 5.987 ± 0.6372
ea27 1342 1342/1342 1342 ± 0.00004148 5.257 5.139/6.036 5.487 ± 0.5526
ea28 1342 1342/1342 1342 ± 0.00003934 5.36 5.12/6.09 5.6 ± 0.6104
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 ± 0.00002395 5.213 5.121/5.519 5.285 ± 0.271
3 1342 1342/1342 1342 ± 0.00002423 4.866 4.733/5.148 4.943 ± 0.3252
4 1342 1342/1342 1342 ± 0.00002587 5.133 4.911/5.337 5.108 ± 0.3388
5 1342 1342/1342 1342 ± 0.00002395 5.177 4.939/5.356 5.175 ± 0.3174
6 1342 1342/1342 1342 ± 0.00002395 5.123 5.003/5.308 5.13 ± 0.2746
7 1342 1342/1342 1342 ± 0.00002395 5.173 5.056/5.293 5.169 ± 0.2507
8 1342 1342/1342 1342 ± 0.00002395 5.167 4.925/5.3 5.103 ± 0.2746
9 1342 1342/1342 1342 ± 0.00002395 5.362 5.215/5.612 5.356 ± 0.3076
10 1342 1342/1342 1342 ± 0.00002395 5.748 5.632/5.953 5.743 ± 0.2933
11 1342 1342/1342 1342 ± 0.00002395 5.999 5.822/6.133 5.942 ± 0.2882
12 1342 1342/1342 1342 ± 0.00002395 6.142 5.915/6.298 6.103 ± 0.3191
13 1342 1342/1342 1342 ± 0.00002395 6.517 6.403/6.658 6.505 ± 0.3214
14 1342 1342/1342 1342 ± 0.00002395 6.716 6.501/7.017 6.7 ± 0.357
15 1342 1342/1342 1342 ± 0.00002395 6.473 6.191/6.629 6.387 ± 0.3775
16 1342 1342/1342 1342 ± 0.00004752 5.523 5.289/5.908 5.595 ± 0.3484
17 1342 1342/1342 1342 ± 0.00004768 5.577 5.369/5.979 5.61 ± 0.3378
output_dir
 
vis
VLASS2.1.sb38617404.eb38633387.59098.857396747684_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-12-31 08:12:22.675
End
2024-12-31 09:08:47.489
Duration
0:56:24.814
Note, WebLog generation is not included in the time.

CASA logs for stage 8