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

Statwt Summary Plot

VLASS2.1.sb38544671.eb38577571.59079.03639115741_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 5.758 5.256/5.955 5.65 ± 0.4723
ea02 1342 1342/1342 1342 ± 0.00003874 5.829 5.249/6.281 5.873 ± 0.6169
ea04 1342 1342/1342 1342 ± 0.000006167 5.471 5.06/6.109 5.542 ± 0.5755
ea05 1342 1342/1342 1342 ± 0 5.574 5.13/6.114 5.661 ± 0.5744
ea06 1342 1342/1342 1342 ± 0 5.116 4.678/5.44 5.079 ± 0.4246
ea07 1342 1342/1342 1342 ± 0 5.69 5.318/6.012 5.778 ± 0.5776
ea08 1342 1342/1342 1342 ± 0 5.902 5.37/6.685 6.048 ± 0.6754
ea09 1342 1342/1342 1342 ± 0 5.607 5.015/6.136 5.624 ± 0.6937
ea10 1342 1342/1342 1342 ± 0 5.528 5.008/6.093 5.52 ± 0.6112
ea11 1342 1342/1342 1342 ± 0 5.481 5.182/6.183 5.656 ± 0.5663
ea12 1342 1342/1342 1342 ± 0 5.798 5.226/6.201 5.828 ± 0.6147
ea13 1342 1342/1342 1342 ± 0 5.918 5.614/6.284 5.992 ± 0.5674
ea14 1342 1342/1342 1342 ± 0 5.887 5.453/6.369 5.959 ± 0.654
ea15 1342 1342/1342 1342 ± 0 5.437 4.898/6.06 5.551 ± 0.7176
ea16 1342 1342/1342 1342 ± 0 6.196 5.547/6.714 6.172 ± 0.6609
ea17 1342 1342/1342 1342 ± 0 6.086 5.558/6.597 6.062 ± 0.5575
ea18 1342 1342/1342 1342 ± 0 4.844 4.727/5.644 5.146 ± 0.53
ea19 1342 1342/1342 1342 ± 0 6.113 5.439/6.368 5.959 ± 0.5827
ea20 1342 1342/1342 1342 ± 0 5.92 5.48/6.479 6.042 ± 0.673
ea21 1342 1342/1342 1342 ± 0 5.813 5.476/6.292 5.859 ± 0.544
ea22 1342 1342/1342 1342 ± 0 5.641 5.064/6.312 5.715 ± 0.7147
ea23 1342 1342/1342 1342 ± 0 5.914 5.383/6.315 5.973 ± 0.6478
ea25 1342 1342/1342 1342 ± 0 5.586 5.09/6.016 5.62 ± 0.5734
ea26 1342 1342/1342 1342 ± 0 5.658 5.259/6.178 5.741 ± 0.629
ea27 1342 1342/1342 1342 ± 0.00003293 5.471 5.017/6.04 5.56 ± 0.5868
ea28 1342 1342/1342 1342 ± 0 5.833 5.49/6.529 5.947 ± 0.605
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 ± 0.00002642 5.241 5.042/5.382 5.204 ± 0.3114
3 1342 1342/1342 1342 ± 0.00002625 5.181 4.881/5.432 5.139 ± 0.3078
4 1342 1342/1342 1342 ± 0.0000283 5.095 4.814/5.213 5.056 ± 0.304
5 1342 1342/1342 1342 ± 0.0000236 5.184 4.917/5.625 5.276 ± 0.3815
6 1342 1342/1342 1342 ± 0.0000236 5.148 5.003/5.366 5.167 ± 0.2663
7 1342 1342/1342 1342 ± 0.0000236 5.166 5.015/5.322 5.171 ± 0.2348
8 1342 1342/1342 1342 ± 0.0000236 5.219 5.014/5.367 5.167 ± 0.2781
9 1342 1342/1342 1342 ± 0.0000236 5.517 5.305/5.685 5.471 ± 0.3173
10 1342 1342/1342 1342 ± 0.00002405 5.908 5.706/6.127 5.891 ± 0.3279
11 1342 1342/1342 1342 ± 0.0000236 6.083 5.994/6.249 6.069 ± 0.304
12 1342 1342/1342 1342 ± 0.0000236 6.288 6.086/6.406 6.236 ± 0.3009
13 1342 1342/1342 1342 ± 0.0000236 6.687 6.612/6.841 6.677 ± 0.3322
14 1342 1342/1342 1342 ± 0.00002405 6.874 6.685/7.115 6.853 ± 0.3683
15 1342 1342/1342 1342 ± 0.00002405 6.57 6.236/6.709 6.472 ± 0.3461
16 1342 1342/1342 1342 ± 0.00003239 5.927 5.731/6.109 5.88 ± 0.2909
17 1342 1342/1342 1342 ± 0.00002719 5.946 5.819/6.123 5.927 ± 0.2906
vis
VLASS2.1.sb38544671.eb38577571.59079.03639115741_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-04-04 21:25:05.128
End
2024-04-04 21:58:37.288
Duration
0:33:32.161
Note, WebLog generation is not included in the time.

CASA logs for stage 7