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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.408 5.335/6.321 5.678 ± 0.7887
ea02 1342 1342/1342 1342 ± 0.00003433 6.078 5.454/6.782 6.072 ± 0.9452
ea04 1342 1342/1342 1342 ± 0.00003925 5.505 5.137/6.198 5.542 ± 0.7974
ea05 1342 1342/1342 1342 ± 0.00002541 5.502 5.117/6.543 5.737 ± 0.9568
ea06 1342 1342/1342 1342 ± 0.00003759 5.159 4.851/5.855 5.238 ± 0.6822
ea07 1342 1342/1342 1342 ± 0.00003423 6.127 5.391/6.375 5.879 ± 0.8289
ea09 1342 1342/1342 1342 ± 0.00002856 5.508 5.086/6.164 5.464 ± 0.825
ea10 1342 1342/1342 1342 ± 0.0000352 5.692 4.887/5.962 5.354 ± 0.7185
ea11 1342 1342/1342 1342 ± 0.00003465 6.052 5.481/6.69 5.987 ± 0.8548
ea12 1342 1342/1342 1342 ± 0.00003763 5.863 5.556/6.733 5.975 ± 0.8856
ea13 1342 1342/1342 1342 ± 0.00002659 5.742 5.62/6.344 5.934 ± 0.9759
ea14 1342 1342/1342 1342 ± 0.00003215 5.714 5.413/6.685 6.012 ± 0.9699
ea15 1342 1342/1342 1342 ± 0.0000396 5.73 5.436/6.599 5.86 ± 0.9642
ea16 1342 1342/1342 1342 ± 0.00003158 5.913 5.476/6.879 6.115 ± 1.131
ea17 1342 1342/1342 1342 ± 0.00003607 6.045 5.482/6.88 6.094 ± 0.9292
ea18 1342 1342/1342 1342 ± 0.00003453 5.112 4.909/5.798 5.235 ± 0.6345
ea19 1342 1342/1342 1342 ± 0.00001747 5.779 5.53/6.894 6.035 ± 1.019
ea20 1342 1342/1342 1342 ± 0.00003633 6.121 6.021/7.042 6.307 ± 0.9363
ea21 1342 1342/1342 1342 ± 0.00003043 5.618 5.32/6.424 5.805 ± 0.9297
ea22 1342 1342/1342 1342 ± 0.00003653 5.514 5.197/6.531 5.756 ± 0.969
ea23 1342 1342/1342 1342 ± 0.00003308 6.269 5.542/6.909 6.115 ± 0.9565
ea24 1342 1342/1342 1342 ± 0.00002077 5.25 4.807/6.248 5.462 ± 0.8705
ea25 1342 1342/1342 1342 ± 0.00003609 5.735 5.351/6.473 5.767 ± 0.8136
ea26 1342 1342/1342 1342 ± 0.00002911 5.872 5.724/6.875 6.115 ± 1.025
ea27 1342 1342/1342 1342 ± 0.00003634 5.715 5.373/6.624 5.846 ± 0.8274
ea28 1342 1342/1342 1342 ± 0.00003681 5.838 5.541/6.761 6.063 ± 0.898
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 ± 0.00002381 5.46 5.306/5.63 5.424 ± 0.3262
6 1342 1342/1342 1342 ± 0.00002381 5.377 5.116/5.535 5.341 ± 0.2685
7 1342 1342/1342 1342 ± 0.00002381 5.413 5.224/5.546 5.382 ± 0.2809
8 1342 1342/1342 1342 ± 0.00002381 5.431 5.118/5.52 5.36 ± 0.3215
9 1342 1342/1342 1342 ± 0.00002381 5.707 5.346/5.9 5.643 ± 0.314
10 1342 1342/1342 1342 ± 0.00002381 6.153 5.912/6.263 6.076 ± 0.296
11 1342 1342/1342 1342 ± 0.00002381 6.509 6.108/6.613 6.374 ± 0.3098
12 1342 1342/1342 1342 ± 0.00002381 6.546 6.271/6.766 6.555 ± 0.3506
13 1342 1342/1342 1342 ± 0.00002491 6.622 6.402/6.977 6.635 ± 0.4343
14 1342 1342/1342 1342 ± 0.00002381 7.052 6.639/7.344 6.975 ± 0.4807
15 1342 1342/1342 1342 ± 0.00003298 6.857 6.558/7.092 6.782 ± 0.491
16 1342 1342/1342 1342 ± 0.00005241 3.903 3.781/4.028 3.908 ± 0.1882
17 1342 1342/1342 1342 ± 0.00004926 3.843 3.657/4.063 3.873 ± 0.3209
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
statwtmode
VLASS-SE
Start time
2024-05-17 20:05:13.073
End
2024-05-17 21:00:04.206
Duration
0:54:51.133
Note, WebLog generation is not included in the time.

CASA logs for stage 8