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 5.597 5.509/6.338 5.921 ± 0.6067
ea02 1342 1342/1342 1342 ± 0.00004152 6.157 5.676/6.824 6.267 ± 0.6532
ea03 1342 1342/1342 1342 ± 0 5.787 5.034/6.223 5.686 ± 0.6193
ea04 1342 1342/1342 1342 ± 0 5.658 5.196/6.243 5.742 ± 0.5861
ea05 1342 1342/1342 1342 ± 0 6.186 5.603/6.693 6.043 ± 0.6898
ea06 1342 1342/1342 1342 ± 0 4.918 4.857/4.999 4.978 ± 0.3412
ea07 1342 1342/1342 1342 ± 0.000001094 6.151 5.728/6.532 6.249 ± 0.6285
ea08 1342 1342/1342 1342 ± 0.000001895 6.162 5.77/6.966 6.336 ± 0.7089
ea09 1342 1342/1342 1342 ± 0.000001095 6.003 5.47/6.718 6.062 ± 0.7172
ea10 1342 1342/1342 1342 ± 0.000001909 6.117 5.582/6.812 6.173 ± 0.6918
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.113 5.57/6.561 6.127 ± 0.7111
ea13 1342 1342/1342 1342 ± 0 6.615 6.078/6.77 6.42 ± 0.6645
ea14 1342 1342/1342 1342 ± 0 5.929 5.418/6.765 6.104 ± 0.7827
ea15 1342 1342/1342 1342 ± 0 6.209 5.709/6.678 6.273 ± 0.7002
ea16 1342 1342/1342 1342 ± 0 6.461 5.95/7.018 6.472 ± 0.7739
ea17 1342 1342/1342 1342 ± 0 6.651 6.083/7.229 6.702 ± 0.6686
ea18 1342 1342/1342 1342 ± 0 5.263 4.854/5.71 5.298 ± 0.5457
ea19 1342 1342/1342 1342 ± 0 6.313 5.639/6.803 6.211 ± 0.6357
ea20 1342 1342/1342 1342 ± 0 6.136 5.653/6.788 6.154 ± 0.6995
ea21 1342 1342/1342 1342 ± 0 6.013 5.669/6.634 6.117 ± 0.6426
ea22 1342 1342/1342 1342 ± 0 6.012 5.519/6.485 5.977 ± 0.5866
ea23 1342 1342/1342 1342 ± 0 6.218 5.73/6.785 6.274 ± 0.7058
ea24 1342 1342/1342 1342 ± 0.000001318 6.185 5.716/6.843 6.199 ± 0.707
ea25 1342 1342/1342 1342 ± 0 5.871 5.494/6.441 5.958 ± 0.6286
ea26 1342 1342/1342 1342 ± 0 6.664 5.992/7.302 6.595 ± 0.7653
ea27 1342 1342/1342 1342 ± 0 5.747 5.646/6.598 6.001 ± 0.6401
ea28 1342 1342/1342 1342 ± 0.000001094 5.739 5.458/6.468 5.929 ± 0.6549
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 ± 0.0000238 5.677 5.411/5.802 5.59 ± 0.3248
4 1342 1342/1342 1342 ± 0.00002597 4.883 4.67/5.081 4.857 ± 0.2329
5 1342 1342/1342 1342 ± 0.0000238 5.608 5.447/5.779 5.577 ± 0.3427
6 1342 1342/1342 1342 ± 0.0000238 5.582 5.421/5.754 5.546 ± 0.3356
7 1342 1342/1342 1342 ± 0.0000238 5.625 5.46/5.715 5.571 ± 0.3124
8 1342 1342/1342 1342 ± 0.0000238 5.509 5.346/5.713 5.489 ± 0.3443
9 1342 1342/1342 1342 ± 0.0000238 5.751 5.547/6.122 5.771 ± 0.3813
10 1342 1342/1342 1342 ± 0.00002417 6.303 6.116/6.511 6.263 ± 0.343
11 1342 1342/1342 1342 ± 0.00002417 6.593 6.333/6.675 6.491 ± 0.3316
12 1342 1342/1342 1342 ± 0.00002417 6.686 6.51/6.811 6.657 ± 0.3683
13 1342 1342/1342 1342 ± 0.00002417 7.137 6.998/7.238 7.102 ± 0.3757
14 1342 1342/1342 1342 ± 0.00002417 7.292 7.092/7.562 7.27 ± 0.4014
15 1342 1342/1342 1342 ± 0.00002417 6.828 6.58/7.049 6.814 ± 0.3667
16 1342 1342/1342 1342 ± 0.00002469 6.177 5.944/6.379 6.201 ± 0.3635
17 1342 1342/1342 1342 ± 0.00002466 6.234 6.034/6.486 6.243 ± 0.3511
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-01-11 07:10:11.133
End
2025-01-11 08:34:10.573
Duration
1:23:59.440
Note, WebLog generation is not included in the time.

CASA logs for stage 8