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

Statwt Summary Plot

VLASS2.1.sb38483282.eb38504007.59045.97679461805_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 5.531 5.396/6.232 5.747 ± 0.5444
ea02 1342 1342/1342 1342 ± 0.00001824 5.869 5.479/6.565 5.994 ± 0.6665
ea04 1342 1342/1342 1342 ± 0 5.504 5.17/5.992 5.632 ± 0.4888
ea05 1342 1342/1342 1342 ± 0 5.83 5.479/6.477 5.899 ± 0.5541
ea06 1342 1342/1342 1342 ± 0 5.58 5.175/6.012 5.632 ± 0.4812
ea07 1342 1342/1342 1342 ± 0 5.225 5.122/5.669 5.332 ± 0.2588
ea08 1342 1342/1342 1342 ± 0.00003371 5.978 5.632/6.683 6.159 ± 0.6665
ea09 1342 1342/1342 1342 ± 0 5.325 5.036/5.924 5.441 ± 0.4651
ea10 1342 1342/1342 1342 ± 0.00003882 5.316 5.087/6.062 5.512 ± 0.5595
ea11 1342 1342/1342 1342 ± 0.00000481 5.729 5.424/6.412 5.925 ± 0.6049
ea13 1342 1342/1342 1342 ± 0 5.934 5.798/6.202 6.097 ± 0.4323
ea14 1342 1342/1342 1342 ± 0.0000162 5.877 5.508/6.507 6.016 ± 0.6115
ea15 1342 1342/1342 1342 ± 0 5.957 5.49/6.426 6.03 ± 0.6554
ea16 1342 1342/1342 1342 ± 0.00001835 5.975 5.649/6.662 6.137 ± 0.6727
ea17 1342 1342/1342 1342 ± 0.00001311 5.692 5.482/5.88 5.692 ± 0.2191
ea18 1342 1342/1342 1342 ± 0.000001189 5.137 4.893/5.676 5.222 ± 0.4734
ea19 1342 1342/1342 1342 ± 0 5.752 5.695/5.901 5.782 ± 0.1138
ea20 1342 1342/1342 1342 ± 0 6.157 5.772/6.773 6.233 ± 0.5994
ea21 1342 1342/1342 1342 ± 0 5.617 5.49/6.318 5.884 ± 0.5219
ea22 1342 1342/1342 1342 ± 0.000007596 5.513 5.273/6.425 5.803 ± 0.6398
ea23 1342 1342/1342 1342 ± 0.000007107 5.694 5.605/6.577 6.066 ± 0.6419
ea24 1342 1342/1342 1342 ± 0 5.698 5.095/6.233 5.628 ± 0.5641
ea25 1342 1342/1342 1342 ± 0.000007804 5.558 5.204/6.21 5.736 ± 0.5845
ea26 1342 1342/1342 1342 ± 0 5.989 5.815/6.897 6.262 ± 0.6483
ea27 1342 1342/1342 1342 ± 0.000009776 5.599 5.275/5.631 5.461 ± 0.2314
ea28 1342 1342/1342 1342 ± 0.00004077 5.675 5.5/6.484 5.919 ± 0.6282
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 ± 0.0000237 5.594 5.381/5.717 5.531 ± 0.2614
3 1342 1342/1342 1342 ± 0.00002562 5.104 4.934/5.352 5.156 ± 0.3392
4 1342 1342/1342 1342 ± 0.00004424 5.203 4.879/5.277 5.136 ± 0.359
5 1342 1342/1342 1342 ± 0.0000237 5.478 5.305/5.692 5.483 ± 0.2935
6 1342 1342/1342 1342 ± 0.0000237 5.472 5.196/5.636 5.424 ± 0.2674
7 1342 1342/1342 1342 ± 0.0000237 5.484 5.199/5.638 5.443 ± 0.2613
8 1342 1342/1342 1342 ± 0.0000237 5.435 5.087/5.59 5.376 ± 0.293
9 1342 1342/1342 1342 ± 0.00002382 5.695 5.424/5.914 5.647 ± 0.3086
10 1342 1342/1342 1342 ± 0.00002572 6.076 5.875/6.194 5.994 ± 0.3206
11 1342 1342/1342 1342 ± 0.00002572 6.231 6.019/6.409 6.212 ± 0.3036
12 1342 1342/1342 1342 ± 0.00002572 6.425 6.204/6.565 6.363 ± 0.3027
13 1342 1342/1342 1342 ± 0.00002572 6.85 6.412/6.993 6.754 ± 0.3608
14 1342 1342/1342 1342 ± 0.00002572 7.019 6.598/7.266 6.95 ± 0.38
15 1342 1342/1342 1342 ± 0.00002572 6.701 6.329/6.93 6.609 ± 0.3981
16 1342 1342/1342 1342 ± 0.00004647 5.593 5.435/5.911 5.653 ± 0.3429
17 1342 1342/1342 1342 ± 0.0000427 5.677 5.485/5.98 5.715 ± 0.3216
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-04-13 02:45:39.253
End
2024-04-13 03:42:15.016
Duration
0:56:35.764
Note, WebLog generation is not included in the time.

CASA logs for stage 7