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

Statwt Summary Plot

VLASS2.1.sb38547417.eb38659598.59111.3291737963_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 5.474 5.304/6.224 5.734 ± 0.6505
ea02 1342 1342/1342 1342 ± 0.00004196 6.071 5.532/6.761 6.096 ± 0.8593
ea04 1342 1342/1342 1342 ± 0.00003096 5.255 5.028/6.042 5.517 ± 0.6259
ea05 1342 1342/1342 1342 ± 0.00001019 5.637 5.261/6.546 5.939 ± 0.6906
ea06 1342 1342/1342 1342 ± 0.000001799 4.931 4.566/5.33 4.962 ± 0.4636
ea07 1342 1342/1342 1342 ± 0.00004224 5.982 5.401/6.348 6.026 ± 0.7698
ea08 1342 1342/1342 1342 ± 0.00004397 6.153 5.648/6.925 6.273 ± 0.8708
ea09 1342 1342/1342 1342 ± 0 5.747 5.22/6.585 5.783 ± 0.7994
ea10 1342 1342/1342 1342 ± 0.00004266 5.966 5.15/6.82 6.057 ± 0.8301
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.714 5.406/6.586 5.918 ± 0.8216
ea13 1342 1342/1342 1342 ± 0 6.083 5.935/6.586 6.261 ± 0.6925
ea14 1342 1342/1342 1342 ± 0.00001384 5.713 5.321/6.535 5.932 ± 0.7268
ea15 1342 1342/1342 1342 ± 0.000001777 5.582 5.282/6.477 5.9 ± 0.7748
ea16 1342 1342/1342 1342 ± 0.00001762 6.13 5.691/6.915 6.354 ± 0.8115
ea17 1342 1342/1342 1342 ± 0.00004397 6.028 5.71/7.103 6.212 ± 0.8066
ea18 1342 1342/1342 1342 ± 0 4.947 4.761/5.685 5.105 ± 0.5996
ea19 1342 1342/1342 1342 ± 0 5.924 5.725/6.898 6.309 ± 0.7295
ea20 1342 1342/1342 1342 ± 0 5.918 5.826/6.937 6.163 ± 0.8351
ea21 1342 1342/1342 1342 ± 0.00001498 5.619 5.341/6.501 5.913 ± 0.6975
ea22 1342 1342/1342 1342 ± 0.00001 5.41 5.057/6.32 5.619 ± 0.8259
ea23 1342 1342/1342 1342 ± 0.00002976 5.674 5.179/6.761 6.044 ± 0.8544
ea25 1342 1342/1342 1342 ± 0.00002596 5.628 5.4/6.497 5.793 ± 0.8068
ea26 1342 1342/1342 1342 ± 0 6.035 5.711/7.115 6.292 ± 0.8185
ea27 1342 1342/1342 1342 ± 0.00004269 5.686 5.269/6.603 5.869 ± 0.7284
ea28 1342 1342/1342 1342 ± 0.00004269 5.806 5.594/6.744 6.078 ± 0.7819
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 ± 0.00002405 5.557 5.345/5.781 5.53 ± 0.2795
4 1342 1342/1342 1342 ± 0.00004339 4.915 4.757/5.153 4.935 ± 0.3772
5 1342 1342/1342 1342 ± 0.00002405 5.594 5.311/5.745 5.564 ± 0.3299
6 1342 1342/1342 1342 ± 0.0000327 5.073 4.968/5.159 5.03 ± 0.2598
7 1342 1342/1342 1342 ± 0.00002405 5.516 5.415/5.689 5.507 ± 0.2849
8 1342 1342/1342 1342 ± 0.00002405 5.53 5.301/5.677 5.464 ± 0.3124
9 1342 1342/1342 1342 ± 0.00002405 5.739 5.627/6.03 5.733 ± 0.3585
10 1342 1342/1342 1342 ± 0.00002405 6.209 6.079/6.344 6.146 ± 0.3541
11 1342 1342/1342 1342 ± 0.00002405 6.478 6.302/6.596 6.385 ± 0.3656
12 1342 1342/1342 1342 ± 0.00002405 6.59 6.437/6.777 6.491 ± 0.5188
13 1342 1342/1342 1342 ± 0.00002405 7.076 6.996/7.271 7.026 ± 0.4241
14 1342 1342/1342 1342 ± 0.00002405 7.277 6.996/7.486 7.183 ± 0.4725
15 1342 1342/1342 1342 ± 0.00002405 6.919 6.712/7.151 6.822 ± 0.5065
16 1342 1342/1342 1342 ± 0.00005954 4.869 4.645/5.049 4.841 ± 0.3228
17 1342 1342/1342 1342 ± 0.00005789 5.025 4.83/5.229 5.005 ± 0.3091
overwrite_modelcol
False
vis
VLASS2.1.sb38547417.eb38659598.59111.3291737963_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
Start time
2025-03-14 21:40:34.619
End
2025-03-14 22:03:20.382
Duration
0:22:45.764
Note, WebLog generation is not included in the time.

CASA logs for stage 8