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

Statwt Summary Plot

VLASS3.2.sb45665927.eb46086746.60447.529309328704_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 6.251 5.617/6.721 6.268 ± 0.6737
ea02 1342 1342/1342 1342 ± 0 6.365 5.584/6.591 6.286 ± 0.6474
ea03 1342 1342/1342 1342 ± 0 6.377 5.621/7.042 6.405 ± 0.7741
ea04 1342 1342/1342 1342 ± 0 5.737 5.152/6.164 5.757 ± 0.6106
ea05 1342 1342/1342 1342 ± 0 6.213 5.389/6.792 6.118 ± 0.702
ea06 1342 1342/1342 1342 ± 0 6.342 5.382/6.532 6.078 ± 0.6884
ea07 1342 1342/1342 1342 ± 0 6.279 5.418/6.625 6.149 ± 0.784
ea08 1342 1342/1342 1342 ± 0 6.754 5.746/6.945 6.516 ± 0.6959
ea09 1342 1342/1342 1342 ± 0 5.742 5.164/6.5 5.871 ± 0.7125
ea10 1342 1342/1342 1342 ± 0 5.999 5.264/6.392 5.88 ± 0.6426
ea11 1342 1342/1342 1342 ± 0 5.835 5.423/6.612 5.979 ± 0.7227
ea12 1342 1342/1342 1342 ± 0 5.782 5.268/6.398 5.88 ± 0.6291
ea13 1342 1342/1342 1342 ± 0 6.215 5.558/6.343 6.045 ± 0.5669
ea14 1342 1342/1342 1342 ± 0 6.287 5.59/6.662 6.228 ± 0.6236
ea15 1342 1342/1342 1342 ± 0 6.303 5.595/6.674 6.252 ± 0.7509
ea16 1342 1342/1342 1342 ± 0 6.433 5.938/6.943 6.511 ± 0.707
ea17 1342 1342/1342 1342 ± 0 6.348 5.843/7.229 6.502 ± 0.7662
ea18 1342 1342/1342 1342 ± 0 6.528 5.903/7.207 6.534 ± 0.7178
ea19 1342 1342/1342 1342 ± 0 6.296 5.557/6.754 6.227 ± 0.6684
ea20 1342 1342/1342 1342 ± 0 6.733 5.963/7.198 6.58 ± 0.7246
ea21 1342 1342/1342 1342 ± 0 5.585 5.235/6.074 5.705 ± 0.5283
ea22 1342 1342/1342 1342 ± 0 6.299 5.61/6.692 6.173 ± 0.6617
ea23 1342 1342/1342 1342 ± 0 6.182 5.489/6.397 6.092 ± 0.7002
ea24 1342 1342/1342 1342 ± 0 6.333 5.379/6.769 6.05 ± 0.7587
ea25 1342 1342/1342 1342 ± 0 6.826 5.944/7.318 6.75 ± 0.8363
ea27 1342 1342/1342 1342 ± 0 6.203 5.385/6.651 6.095 ± 0.6982
ea28 1342 1342/1342 1342 ± 0 6.57 5.829/7.109 6.494 ± 0.7199
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 5.525 5.333/5.7 5.535 ± 0.2441
4 1342 1342/1342 1342 ± 0.00002317 5.421 5.178/5.543 5.406 ± 0.3198
5 1342 1342/1342 1342 ± 0.00002306 5.554 5.335/5.828 5.569 ± 0.302
6 1342 1342/1342 1342 ± 0.00002306 5.417 5.059/5.553 5.37 ± 0.2861
7 1342 1342/1342 1342 ± 0.00002306 5.558 5.389/5.831 5.568 ± 0.2454
8 1342 1342/1342 1342 ± 0.00002306 5.568 5.315/5.677 5.528 ± 0.2713
9 1342 1342/1342 1342 ± 0.00002306 5.834 5.756/6.033 5.859 ± 0.2955
10 1342 1342/1342 1342 ± 0.00002306 6.335 6.252/6.428 6.321 ± 0.2615
11 1342 1342/1342 1342 ± 0.00002306 6.532 6.343/6.725 6.551 ± 0.2846
12 1342 1342/1342 1342 ± 0.00002306 6.668 6.409/6.943 6.689 ± 0.3241
13 1342 1342/1342 1342 ± 0.00002306 7.17 6.954/7.528 7.194 ± 0.3416
14 1342 1342/1342 1342 ± 0.00002306 7.447 7.168/7.668 7.414 ± 0.3424
15 1342 1342/1342 1342 ± 0.00002306 7.055 6.744/7.349 7.081 ± 0.3515
16 1342 1342/1342 1342 ± 0.00002306 6.497 6.212/6.807 6.495 ± 0.3706
17 1342 1342/1342 1342 ± 0.00002306 6.509 6.222/6.716 6.425 ± 0.3706
vis
VLASS3.2.sb45665927.eb46086746.60447.529309328704_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
Start time
2025-07-29 04:35:06.689
End
2025-07-29 05:36:08.898
Duration
1:01:02.209
Note, WebLog generation is not included in the time.

CASA logs for stage 8