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

Statwt Summary Plot

VLASS2.1.sb38499285.eb38509861.59047.50492306713_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 5.28 5.108/5.993 5.37 ± 0.7693
ea02 1342 1342/1342 1342 ± 0.00004304 5.67 5.147/6.383 5.63 ± 0.8663
ea04 1342 1342/1342 1342 ± 0.000005007 5.265 4.894/5.844 5.199 ± 0.764
ea05 1342 1342/1342 1342 ± 0.000009772 5.523 5.05/6.294 5.607 ± 0.7515
ea06 1342 1342/1342 1342 ± 0.000008455 5.248 4.93/5.986 5.263 ± 0.8531
ea07 1342 1342/1342 1342 ± 0.00004335 5.664 5.2/6.032 5.47 ± 0.7874
ea08 1342 1342/1342 1342 ± 0.00004359 5.812 5.385/6.659 5.845 ± 0.9685
ea09 1342 1342/1342 1342 ± 0.00002051 5.528 5.066/6.185 5.516 ± 0.7415
ea10 1342 1342/1342 1342 ± 0.00004403 5.093 4.668/5.76 5.018 ± 0.7976
ea11 1342 1342/1342 1342 ± 0.00004351 5.745 5.149/6.339 5.556 ± 0.9147
ea12 1342 1342/1342 1342 ± 0.00001164 5.503 5.135/6.303 5.492 ± 0.97
ea13 1342 1342/1342 1342 ± 0.00001811 5.637 5.511/6.182 5.768 ± 0.7064
ea14 1342 1342/1342 1342 ± 0.00001643 5.513 5.11/6.314 5.59 ± 0.7606
ea15 1342 1342/1342 1342 ± 0.000001671 5.397 5.137/6.215 5.5 ± 0.8779
ea16 1342 1342/1342 1342 ± 0.00002157 5.778 5.394/6.666 5.767 ± 0.877
ea17 1342 1342/1342 1342 ± 0.00004472 5.839 5.341/6.588 5.768 ± 0.923
ea18 1342 1342/1342 1342 ± 0.00003866 4.854 4.568/5.594 4.892 ± 0.6755
ea19 1342 1342/1342 1342 ± 0.000002627 5.807 5.463/6.502 5.871 ± 0.7532
ea20 1342 1342/1342 1342 ± 0.00002471 5.76 5.555/6.796 5.86 ± 1.061
ea21 1342 1342/1342 1342 ± 0.00001804 5.478 5.27/6.169 5.506 ± 0.7537
ea22 1342 1342/1342 1342 ± 0.00004066 5.32 5.04/6.333 5.542 ± 0.8174
ea23 1342 1342/1342 1342 ± 0.0000463 6.154 5.88/6.42 5.73 ± 1.052
ea24 1342 1342/1342 1342 ± 0.00000778 5.157 4.847/5.994 5.36 ± 0.6526
ea25 1342 1342/1342 1342 ± 0.00004352 5.488 5.171/6.197 5.439 ± 0.8391
ea26 1342 1342/1342 1342 ± 0.00003175 5.711 5.506/6.747 5.95 ± 0.8408
ea27 1342 1342/1342 1342 ± 0.00004404 5.495 5.099/6.352 5.508 ± 0.855
ea28 1342 1342/1342 1342 ± 0.00004356 5.627 5.361/6.535 5.722 ± 0.9002
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 ± 0.00002365 5.277 5.124/5.526 5.299 ± 0.29
5 1342 1342/1342 1342 ± 0.00002397 5.21 5.048/5.426 5.221 ± 0.3141
6 1342 1342/1342 1342 ± 0.00002365 5.267 4.995/5.36 5.209 ± 0.2522
7 1342 1342/1342 1342 ± 0.00002365 5.219 5.055/5.424 5.232 ± 0.2453
8 1342 1342/1342 1342 ± 0.00002365 5.249 5.045/5.389 5.202 ± 0.2745
9 1342 1342/1342 1342 ± 0.00002393 5.498 5.298/5.675 5.463 ± 0.2733
10 1342 1342/1342 1342 ± 0.00002322 5.927 5.764/6.037 5.887 ± 0.2833
11 1342 1342/1342 1342 ± 0.00002322 6.184 6.058/6.352 6.175 ± 0.273
12 1342 1342/1342 1342 ± 0.00002322 6.335 6.158/6.481 6.331 ± 0.3094
13 1342 1342/1342 1342 ± 0.00002322 6.614 6.343/6.796 6.563 ± 0.3275
14 1342 1342/1342 1342 ± 0.00002432 6.418 6.165/6.757 6.431 ± 0.409
15 1342 1342/1342 1342 ± 0.00002428 6.435 6.18/6.661 6.399 ± 0.3503
16 1342 1342/1342 1342 ± 0.00006073 3.896 3.693/4.21 3.962 ± 0.3335
17 1342 1342/1342 1342 ± 0.00006098 4.061 3.811/4.344 4.075 ± 0.3346
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38499285.eb38509861.59047.50492306713_split_split.ms
statwtmode
VLASS-SE
Start time
2025-01-08 12:41:39.100
End
2025-01-08 13:56:36.260
Duration
1:14:57.160
Note, WebLog generation is not included in the time.

CASA logs for stage 8