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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 5.896 5.647/6.248 5.982 ± 0.4445
ea02 1342 1342/1342 1342 ± 0 5.905 5.451/6.417 5.979 ± 0.5322
ea03 1342 1342/1342 1342 ± 0.00002814 5.061 4.979/6.114 5.447 ± 0.5709
ea04 1342 1342/1342 1342 ± 0.000001202 5.169 4.853/5.319 5.157 ± 0.3139
ea06 1342 1342/1342 1342 ± 0 5.739 5.376/6.095 5.791 ± 0.4507
ea07 1342 1342/1342 1342 ± 0 5.426 5.173/5.664 5.441 ± 0.3441
ea08 1342 1342/1342 1342 ± 0.00002432 6.04 5.774/6.481 6.146 ± 0.4902
ea09 1342 1342/1342 1342 ± 0.000006119 5.759 5.384/6.384 5.878 ± 0.5196
ea10 1342 1342/1342 1342 ± 0 5.534 5.313/6.11 5.685 ± 0.424
ea11 1342 1342/1342 1342 ± 0 5.785 5.65/6.391 5.997 ± 0.5226
ea12 1342 1342/1342 1342 ± 0 5.786 5.509/6.323 5.91 ± 0.5174
ea13 1342 1342/1342 1342 ± 0.00001383 6.072 5.532/6.33 6 ± 0.5177
ea14 1342 1342/1342 1342 ± 0 5.69 5.383/6.224 5.833 ± 0.4775
ea15 1342 1342/1342 1342 ± 0 5.557 5.306/6.204 5.746 ± 0.5357
ea16 1342 1342/1342 1342 ± 0 5.732 5.449/6.07 5.782 ± 0.4342
ea17 1342 1342/1342 1342 ± 0 6.249 6.041/6.885 6.427 ± 0.4656
ea18 1342 1342/1342 1342 ± 0 4.557 4.345/4.807 4.592 ± 0.3066
ea19 1342 1342/1342 1342 ± 0 5.776 5.695/6.53 6.064 ± 0.493
ea20 1342 1342/1342 1342 ± 0 5.731 5.479/6.496 5.924 ± 0.5158
ea21 1342 1342/1342 1342 ± 0 5.661 5.397/6.093 5.783 ± 0.4235
ea22 1342 1342/1342 1342 ± 0 5.821 5.638/6.328 5.918 ± 0.4519
ea23 1342 1342/1342 1342 ± 0 5.804 5.613/6.382 6.025 ± 0.5561
ea24 1342 1342/1342 1342 ± 0 5.76 5.316/6.31 5.753 ± 0.5004
ea25 1342 1342/1342 1342 ± 0 5.379 5.092/5.594 5.474 ± 0.4287
ea26 1342 1342/1342 1342 ± 0 5.724 5.64/6.557 5.994 ± 0.4675
ea27 1342 1342/1342 1342 ± 0 5.545 5.417/6.347 5.826 ± 0.5203
ea28 1342 1342/1342 1342 ± 0.000003603 5.6 5.507/6.324 5.897 ± 0.5289
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 ± 0.00002305 5.662 5.533/5.893 5.624 ± 0.3459
4 1342 1342/1342 1342 ± 0.00002553 5.402 5.128/5.638 5.407 ± 0.4934
5 1342 1342/1342 1342 ± 0.00002305 5.521 5.322/5.75 5.489 ± 0.3822
6 1342 1342/1342 1342 ± 0.00002305 5.426 5.341/5.642 5.401 ± 0.3186
7 1342 1342/1342 1342 ± 0.00002305 5.385 5.225/5.593 5.365 ± 0.317
8 1342 1342/1342 1342 ± 0.00002305 5.358 5.093/5.528 5.296 ± 0.3332
9 1342 1342/1342 1342 ± 0.00002305 5.582 5.459/5.728 5.532 ± 0.3584
10 1342 1342/1342 1342 ± 0.00002305 5.983 5.751/6.163 5.893 ± 0.3851
11 1342 1342/1342 1342 ± 0.00002305 6.204 6.035/6.309 6.068 ± 0.3893
12 1342 1342/1342 1342 ± 0.00002305 6.315 6.074/6.388 6.168 ± 0.4271
13 1342 1342/1342 1342 ± 0.00002305 6.574 6.425/6.77 6.516 ± 0.4292
14 1342 1342/1342 1342 ± 0.00002305 6.761 6.481/6.905 6.662 ± 0.4162
15 1342 1342/1342 1342 ± 0.00002305 6.487 6.257/6.627 6.377 ± 0.4323
16 1342 1342/1342 1342 ± 0.00003238 5.593 5.341/5.82 5.584 ± 0.3778
17 1342 1342/1342 1342 ± 0.00002895 5.481 5.214/5.733 5.449 ± 0.3493
output_dir
 
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-05-14 08:44:21.284
End
2025-05-14 09:45:04.852
Duration
1:00:43.567
Note, WebLog generation is not included in the time.

CASA logs for stage 8