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

Statwt Summary Plot

VLASS3.2.sb45520569.eb45733624.60429.987892812496_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 5.805 5.399/6.349 5.895 ± 0.6356
ea02 1342 1342/1342 1342 ± 0 6.228 5.534/6.412 6.083 ± 0.6591
ea03 1342 1342/1342 1342 ± 0 6.07 5.394/6.691 6.061 ± 0.74
ea04 1342 1342/1342 1342 ± 0 5.664 5.073/6.102 5.652 ± 0.6006
ea05 1342 1342/1342 1342 ± 0 5.792 5.238/6.439 5.876 ± 0.692
ea06 1342 1342/1342 1342 ± 0 5.924 5.026/6.093 5.682 ± 0.6744
ea07 1342 1342/1342 1342 ± 0 5.832 5.151/6.272 5.85 ± 0.7061
ea08 1342 1342/1342 1342 ± 0 6.377 5.539/6.72 6.262 ± 0.6739
ea09 1342 1342/1342 1342 ± 0 5.702 5.097/6.449 5.811 ± 0.7316
ea10 1342 1342/1342 1342 ± 0 5.546 5.128/6.15 5.601 ± 0.5967
ea11 1342 1342/1342 1342 ± 0.000002506 5.421 5.128/6.198 5.626 ± 0.654
ea12 1342 1342/1342 1342 ± 0 5.508 5.369/6.357 5.724 ± 0.6523
ea13 1342 1342/1342 1342 ± 0 5.87 5.455/6.289 5.875 ± 0.7032
ea14 1342 1342/1342 1342 ± 0 5.922 5.578/6.586 6.064 ± 0.63
ea15 1342 1342/1342 1342 ± 0.000005602 4.86 4.433/5.192 4.863 ± 0.4537
ea16 1342 1342/1342 1342 ± 0 6.064 5.62/6.546 6.151 ± 0.723
ea17 1342 1342/1342 1342 ± 0 6.081 5.738/6.708 6.262 ± 0.6948
ea18 1342 1342/1342 1342 ± 0 6.27 5.742/6.877 6.324 ± 0.7268
ea19 1342 1342/1342 1342 ± 0 5.837 5.44/6.512 5.958 ± 0.6991
ea20 1342 1342/1342 1342 ± 0 6.115 5.386/6.521 5.969 ± 0.6221
ea21 1342 1342/1342 1342 ± 0 5.519 5.126/5.993 5.582 ± 0.5378
ea22 1342 1342/1342 1342 ± 0 6.413 5.705/6.939 6.304 ± 0.7278
ea23 1342 1342/1342 1342 ± 0 5.931 5.502/6.455 6.048 ± 0.692
ea24 1342 1342/1342 1342 ± 0 6.095 5.276/6.472 5.86 ± 0.6401
ea25 1342 1342/1342 1342 ± 0 6.513 5.65/6.904 6.423 ± 0.8182
ea27 1342 1342/1342 1342 ± 0 5.717 5.306/6.498 5.861 ± 0.6512
ea28 1342 1342/1342 1342 ± 0 6.344 5.671/6.922 6.345 ± 0.6903
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 ± 0.00002306 5.451 5.268/5.635 5.446 ± 0.2784
3 1342 1342/1342 1342 ± 0.00002393 4.994 4.824/5.175 4.999 ± 0.2994
4 1342 1342/1342 1342 ± 0.00003086 5.153 4.875/5.303 5.136 ± 0.3493
5 1342 1342/1342 1342 ± 0.00002306 5.259 5.092/5.539 5.29 ± 0.3492
6 1342 1342/1342 1342 ± 0.00002306 5.291 5.097/5.556 5.284 ± 0.3296
7 1342 1342/1342 1342 ± 0.00002306 5.447 5.235/5.532 5.382 ± 0.2852
8 1342 1342/1342 1342 ± 0.00002306 5.387 5.157/5.513 5.331 ± 0.3038
9 1342 1342/1342 1342 ± 0.00002306 5.668 5.51/5.913 5.651 ± 0.3339
10 1342 1342/1342 1342 ± 0.00002306 6.12 6.004/6.31 6.109 ± 0.3223
11 1342 1342/1342 1342 ± 0.00002306 6.371 6.126/6.51 6.313 ± 0.328
12 1342 1342/1342 1342 ± 0.00002306 6.476 6.276/6.691 6.473 ± 0.3873
13 1342 1342/1342 1342 ± 0.00002306 6.932 6.649/7.201 6.911 ± 0.3995
14 1342 1342/1342 1342 ± 0.00002306 7.156 6.908/7.416 7.108 ± 0.4229
15 1342 1342/1342 1342 ± 0.00002306 6.813 6.6/7.102 6.778 ± 0.4328
16 1342 1342/1342 1342 ± 0.00002306 6.172 5.811/6.391 6.118 ± 0.4308
17 1342 1342/1342 1342 ± 0.00002306 6.183 5.889/6.335 6.077 ± 0.4139
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS3.2.sb45520569.eb45733624.60429.987892812496_split_split.ms
statwtmode
VLASS-SE
Start time
2025-07-18 03:48:57.711
End
2025-07-18 04:45:02.775
Duration
0:56:05.065
Note, WebLog generation is not included in the time.

CASA logs for stage 8