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

Statwt Summary Plot

VLASS2.1.sb39020510.eb39074114.59177.52519034722_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 5.31 5.165/5.933 5.38 ± 0.7531
ea02 1342 1342/1342 1342 ± 0.00004297 5.624 5.22/6.391 5.612 ± 0.9367
ea03 1342 1342/1342 1342 ± 0.000006067 2.041 1.975/2.375 2.145 ± 0.2379
ea04 1342 1342/1342 1342 ± 0.000002566 5.385 5.217/6.313 5.538 ± 0.9294
ea05 1342 1342/1342 1342 ± 0.00001017 5.385 5.154/6.417 5.627 ± 0.7832
ea06 1342 1342/1342 1342 ± 0 4.483 4.243/5.173 4.61 ± 0.5634
ea07 1342 1342/1342 1342 ± 0.00004345 5.751 5.384/6.274 5.706 ± 0.879
ea08 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea09 1342 1342/1342 1342 ± 0.000005023 5.419 5.146/6.278 5.53 ± 0.8709
ea10 1342 1342/1342 1342 ± 0.00004432 5.574 5.27/6.562 5.717 ± 0.9531
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00002254 5.487 5.337/6.687 5.772 ± 1.089
ea13 1342 1342/1342 1342 ± 0.00002268 5.707 5.413/6.401 5.756 ± 0.7859
ea14 1342 1342/1342 1342 ± 0.00001002 5.375 4.938/6.223 5.393 ± 0.8165
ea15 1342 1342/1342 1342 ± 0 3.318 3.197/4.252 3.618 ± 0.6341
ea16 1342 1342/1342 1342 ± 0.00001867 5.688 5.131/6.581 5.746 ± 0.9619
ea17 1342 1342/1342 1342 ± 0 6.098 5.518/7.399 6.233 ± 1.074
ea18 1342 1342/1342 1342 ± 0.00004101 4.856 4.545/5.835 4.989 ± 0.7348
ea19 1342 1342/1342 1342 ± 0.000001185 5.523 5.337/6.521 5.742 ± 0.7913
ea20 1342 1342/1342 1342 ± 0 5.896 5.803/7.09 6.141 ± 1.043
ea23 1342 1342/1342 1342 ± 0.00003865 5.525 5.207/6.438 5.622 ± 1.013
ea24 1342 1342/1342 1342 ± 0.00003987 5.138 4.886/6.167 5.325 ± 0.8167
ea25 1342 1342/1342 1342 ± 0.00004458 5.635 5.221/6.321 5.635 ± 0.9149
ea26 1342 1342/1342 1342 ± 0.000001623 1.536 1.507/1.618 1.567 ± 0.11
ea27 1342 1342/1342 1342 ± 0.00004734 5.525 5.113/6.555 5.565 ± 0.9205
ea28 1342 1342/1342 1342 ± 0.00004643 5.287 5.139/6.244 5.442 ± 0.8524
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 ± 0.00002443 5.198 4.833/5.452 4.84 ± 1.077
3 1342 1342/1342 1342 ± 0.00003272 4.81 4.022/5.171 4.346 ± 1.105
5 1342 1342/1342 1342 ± 0.00002443 5.305 4.919/5.515 4.926 ± 1.115
6 1342 1342/1342 1342 ± 0.00002443 5.23 5.002/5.39 4.839 ± 1.059
7 1342 1342/1342 1342 ± 0.00002443 5.301 5.08/5.413 4.933 ± 1.078
8 1342 1342/1342 1342 ± 0.00002443 5.224 5.147/5.431 4.906 ± 1.082
9 1342 1342/1342 1342 ± 0.00002443 5.472 5.337/5.817 5.149 ± 1.163
10 1342 1342/1342 1342 ± 0.00002443 5.998 5.716/6.234 5.559 ± 1.249
11 1342 1342/1342 1342 ± 0.00002443 6.297 6.213/6.426 5.848 ± 1.297
12 1342 1342/1342 1342 ± 0.00002443 6.604 6.288/6.684 6.044 ± 1.365
13 1342 1342/1342 1342 ± 0.00002474 6.61 6.123/6.875 6.181 ± 1.399
14 1342 1342/1342 1342 ± 0.00003804 6.134 5.815/6.599 5.958 ± 1.422
15 1342 1342/1342 1342 ± 0.00002471 6.69 6.332/7.016 6.196 ± 1.442
16 1342 1342/1342 1342 ± 0.00006093 3.758 3.632/3.957 3.634 ± 0.6573
17 1342 1342/1342 1342 ± 0.00005995 3.937 3.798/4.105 3.785 ± 0.6998
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb39020510.eb39074114.59177.52519034722_split_split.ms
statwtmode
VLASS-SE
Start time
2025-01-11 06:15:03.035
End
2025-01-11 07:17:07.998
Duration
1:02:04.963
Note, WebLog generation is not included in the time.

CASA logs for stage 8