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

Statwt Summary Plot

VLASS3.2.sb45490828.eb46106518.60453.38273079861_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 5.997 5.849/6.776 6.268 ± 0.6049
ea02 1342 1342/1342 1342 ± 0.00002006 6.32 5.766/6.56 6.334 ± 0.6287
ea03 1342 1342/1342 1342 ± 0.00000556 6.333 5.585/6.928 6.355 ± 0.7344
ea04 1342 1342/1342 1342 ± 0.00003254 5.732 5.305/6.361 5.82 ± 0.5943
ea05 1342 1342/1342 1342 ± 0.0000323 5.849 5.587/6.867 6.067 ± 0.7392
ea06 1342 1342/1342 1342 ± 0 6.016 5.233/6.238 5.924 ± 0.6585
ea07 1342 1342/1342 1342 ± 0.000003123 6.239 5.402/6.522 6.065 ± 0.8451
ea08 1342 1342/1342 1342 ± 0 6.473 5.79/7.002 6.484 ± 0.7467
ea09 1342 1342/1342 1342 ± 0.000005579 5.665 5.207/6.534 5.79 ± 0.6444
ea10 1342 1342/1342 1342 ± 0 5.771 5.531/6.468 5.958 ± 0.6135
ea11 1342 1342/1342 1342 ± 0.00004003 5.698 5.179/6.68 5.839 ± 0.8247
ea12 1342 1342/1342 1342 ± 0.00003153 5.629 5.452/6.482 5.82 ± 0.8756
ea14 1342 1342/1342 1342 ± 0 5.911 5.684/6.69 6.081 ± 0.7417
ea15 1342 1342/1342 1342 ± 0.00003484 5.778 5.585/6.636 6.075 ± 0.6973
ea16 1342 1342/1342 1342 ± 0 6.336 5.783/6.883 6.387 ± 0.7096
ea17 1342 1342/1342 1342 ± 0 6.385 5.884/7.231 6.482 ± 0.6956
ea18 1342 1342/1342 1342 ± 0 6.705 5.988/7.382 6.614 ± 0.7635
ea19 1342 1342/1342 1342 ± 0.00003154 5.887 5.649/6.909 6.159 ± 0.7174
ea20 1342 1342/1342 1342 ± 0 6.284 6.065/7.212 6.535 ± 0.6886
ea21 1342 1342/1342 1342 ± 0 5.481 5.153/6.052 5.646 ± 0.5388
ea22 1342 1342/1342 1342 ± 0 5.987 5.502/6.608 5.98 ± 0.7354
ea23 1342 1342/1342 1342 ± 0 5.899 5.632/6.558 6.182 ± 0.6733
ea24 1342 1342/1342 1342 ± 0 6.269 5.391/6.835 6.112 ± 0.6989
ea25 1342 1342/1342 1342 ± 0 6.622 5.772/7.109 6.61 ± 0.8466
ea27 1342 1342/1342 1342 ± 0 5.952 5.556/6.726 6.125 ± 0.664
ea28 1342 1342/1342 1342 ± 0 6.357 5.748/7.12 6.401 ± 0.6875
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 ± 0.0000235 5.594 5.438/5.831 5.617 ± 0.2637
3 1342 1342/1342 1342 ± 0.00003748 4.486 4.278/5.157 4.602 ± 0.6265
4 1342 1342/1342 1342 ± 0.00003096 5.353 5.082/5.535 5.328 ± 0.3501
5 1342 1342/1342 1342 ± 0.0000235 5.585 5.249/5.801 5.568 ± 0.2989
6 1342 1342/1342 1342 ± 0.0000235 5.568 5.347/5.773 5.566 ± 0.26
7 1342 1342/1342 1342 ± 0.0000235 5.606 5.457/5.78 5.601 ± 0.2363
8 1342 1342/1342 1342 ± 0.0000235 5.552 5.257/5.723 5.532 ± 0.2909
9 1342 1342/1342 1342 ± 0.0000235 5.865 5.699/6.052 5.862 ± 0.301
10 1342 1342/1342 1342 ± 0.0000235 6.36 6.21/6.441 6.336 ± 0.2673
11 1342 1342/1342 1342 ± 0.0000235 6.618 6.352/6.702 6.574 ± 0.275
12 1342 1342/1342 1342 ± 0.0000235 6.747 6.54/6.929 6.751 ± 0.3127
13 1342 1342/1342 1342 ± 0.0000235 7.255 6.969/7.499 7.237 ± 0.3318
14 1342 1342/1342 1342 ± 0.0000235 7.293 7.074/7.601 7.35 ± 0.3921
15 1342 1342/1342 1342 ± 0.0000235 7.083 6.809/7.345 7.065 ± 0.3375
16 1342 1342/1342 1342 ± 0.00004825 6.024 5.763/6.421 6.1 ± 0.407
17 1342 1342/1342 1342 ± 0.00004218 6.056 5.814/6.372 6.087 ± 0.392
statwtmode
VLASS-SE
vis
VLASS3.2.sb45490828.eb46106518.60453.38273079861_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-30 22:24:58.511
End
2025-07-30 23:00:18.930
Duration
0:35:20.418
Note, WebLog generation is not included in the time.

CASA logs for stage 8