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

Statwt Summary Plot

VLASS3.2.sb45661340.eb45880388.60435.82083380787_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 6.287 5.692/6.7 6.242 ± 0.6316
ea02 1342 1342/1342 1342 ± 0 6.377 5.765/6.559 6.306 ± 0.6079
ea03 1342 1342/1342 1342 ± 0 6.176 5.502/6.807 6.219 ± 0.7313
ea04 1342 1342/1342 1342 ± 0 5.553 4.974/5.942 5.554 ± 0.5485
ea05 1342 1342/1342 1342 ± 0.00002429 5.9 5.451/6.756 6.057 ± 0.6616
ea06 1342 1342/1342 1342 ± 0 6.042 5.108/6.157 5.793 ± 0.6396
ea07 1342 1342/1342 1342 ± 0 6.101 5.305/6.28 5.96 ± 0.6616
ea08 1342 1342/1342 1342 ± 0 6.476 5.738/6.892 6.439 ± 0.6509
ea09 1342 1342/1342 1342 ± 0.000006112 5.808 5.307/6.586 5.93 ± 0.6671
ea10 1342 1342/1342 1342 ± 0 5.548 5.141/6.061 5.593 ± 0.5408
ea11 1342 1342/1342 1342 ± 0.00002763 5.477 5.237/6.341 5.737 ± 0.6747
ea12 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea13 1342 1342/1342 1342 ± 0 5.805 5.586/6.319 5.971 ± 0.4977
ea14 1342 1342/1342 1342 ± 0 5.957 5.603/6.576 6.145 ± 0.5841
ea15 1342 1342/1342 1342 ± 0.00002402 6.257 5.696/6.709 6.291 ± 0.679
ea16 1342 1342/1342 1342 ± 0 6.315 5.793/6.849 6.399 ± 0.7092
ea17 1342 1342/1342 1342 ± 0 6.224 5.762/7.018 6.363 ± 0.646
ea18 1342 1342/1342 1342 ± 0 6.344 5.82/6.918 6.319 ± 0.6022
ea19 1342 1342/1342 1342 ± 0 6.16 5.475/6.666 6.085 ± 0.6227
ea20 1342 1342/1342 1342 ± 0 5.957 5.683/6.81 6.191 ± 0.6213
ea21 1342 1342/1342 1342 ± 0 5.554 5.164/6 5.631 ± 0.5096
ea22 1342 1342/1342 1342 ± 0 6.231 5.667/6.77 6.23 ± 0.6283
ea23 1342 1342/1342 1342 ± 0 6.299 5.575/6.451 6.193 ± 0.6649
ea24 1342 1342/1342 1342 ± 0 6.176 5.287/6.688 6.002 ± 0.646
ea25 1342 1342/1342 1342 ± 0 6.483 5.708/6.934 6.472 ± 0.7687
ea27 1342 1342/1342 1342 ± 0 6.098 5.411/6.617 6.02 ± 0.6591
ea28 1342 1342/1342 1342 ± 0 6.286 5.858/7.004 6.413 ± 0.6328
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 ± 0.00002348 5.561 5.333/5.73 5.531 ± 0.2543
4 1342 1342/1342 1342 ± 0.00002676 5.372 5.212/5.734 5.448 ± 0.3482
5 1342 1342/1342 1342 ± 0.00002348 5.53 5.245/5.689 5.497 ± 0.3095
6 1342 1342/1342 1342 ± 0.00002348 5.474 5.197/5.631 5.439 ± 0.2931
7 1342 1342/1342 1342 ± 0.00002348 5.556 5.38/5.701 5.502 ± 0.255
8 1342 1342/1342 1342 ± 0.00002348 5.491 5.254/5.652 5.438 ± 0.2735
9 1342 1342/1342 1342 ± 0.00002348 5.777 5.639/5.967 5.762 ± 0.2747
10 1342 1342/1342 1342 ± 0.00002348 6.274 6.105/6.37 6.214 ± 0.245
11 1342 1342/1342 1342 ± 0.00002348 6.503 6.319/6.599 6.442 ± 0.2597
12 1342 1342/1342 1342 ± 0.00002348 6.679 6.334/6.809 6.589 ± 0.3097
13 1342 1342/1342 1342 ± 0.00002348 7.072 6.874/7.271 7.029 ± 0.3325
14 1342 1342/1342 1342 ± 0.00002348 7.33 7.018/7.498 7.251 ± 0.3483
15 1342 1342/1342 1342 ± 0.00002348 6.885 6.712/7.224 6.906 ± 0.3671
16 1342 1342/1342 1342 ± 0.00003236 6.23 5.925/6.515 6.209 ± 0.3825
17 1342 1342/1342 1342 ± 0.00003105 6.248 5.981/6.412 6.191 ± 0.341
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms
Start time
2025-08-05 00:30:35.404
End
2025-08-05 01:02:35.137
Duration
0:31:59.733
Note, WebLog generation is not included in the time.

CASA logs for stage 8