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

Statwt Summary Plot

VLASS2.2.sb40880919.eb41034540.59559.16303170139_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 6.563 5.949/6.864 6.506 ± 0.5958
ea03 1342 1342/1342 1342 ± 0 5.727 5.248/6.753 5.94 ± 0.7287
ea04 1342 1342/1342 1342 ± 0 6.273 5.777/6.768 6.351 ± 0.6799
ea05 1342 1342/1342 1342 ± 0 6.221 5.889/7.068 6.41 ± 0.7269
ea06 1342 1342/1342 1342 ± 0 6.439 5.881/6.839 6.393 ± 0.6071
ea07 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea08 1342 1342/1342 1342 ± 0 6.085 5.705/6.773 6.24 ± 0.6221
ea09 1342 1342/1342 1342 ± 0 6.184 5.566/6.961 6.304 ± 0.7005
ea10 1342 1342/1342 1342 ± 0 7.138 6.8/7.373 7.06 ± 0.4441
ea11 1342 1342/1342 1342 ± 0 6.283 5.639/6.876 6.345 ± 0.726
ea12 1342 1342/1342 1342 ± 0 6.617 5.937/7.056 6.61 ± 0.7152
ea13 1342 1342/1342 1342 ± 0 5.886 5.473/6.205 5.94 ± 0.4193
ea14 1342 1342/1342 1342 ± 0 6.68 5.902/7.026 6.588 ± 0.6946
ea15 1342 1342/1342 1342 ± 0 6.03 5.498/6.619 6.092 ± 0.6618
ea16 1342 1342/1342 1342 ± 0 6.585 6.003/7.098 6.619 ± 0.7317
ea17 1342 1342/1342 1342 ± 0 6.892 6.469/7.901 7.104 ± 0.7399
ea18 1342 1342/1342 1342 ± 0 5.262 4.859/5.666 5.302 ± 0.5367
ea19 1342 1342/1342 1342 ± 0 6.741 6.069/7.332 6.702 ± 0.7051
ea20 1342 1342/1342 1342 ± 0 5.926 5.695/6.759 6.136 ± 0.6109
ea21 1342 1342/1342 1342 ± 0 5.509 5.303/6.094 5.713 ± 0.4819
ea22 1342 1342/1342 1342 ± 0 6.344 5.574/6.666 6.193 ± 0.6139
ea23 1342 1342/1342 1342 ± 0 6.316 5.939/6.985 6.523 ± 0.692
ea24 1342 1342/1342 1342 ± 0 6.14 5.452/6.628 6.039 ± 0.5864
ea25 1342 1342/1342 1342 ± 0 6.886 6.053/7.208 6.784 ± 0.803
ea26 1342 1342/1342 1342 ± 0 6.751 6.151/7.495 6.822 ± 0.7115
ea27 1342 1342/1342 1342 ± 0 6.1 5.82/7.103 6.391 ± 0.6641
ea28 1342 1342/1342 1342 ± 0 6.292 5.967/7.174 6.565 ± 0.6791
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 ± 0.00002392 5.878 5.656/6.141 5.823 ± 0.3348
4 1342 1342/1342 1342 ± 0.00002392 5.477 5.251/5.782 5.509 ± 0.432
5 1342 1342/1342 1342 ± 0.00002392 5.88 5.546/6.022 5.777 ± 0.3655
6 1342 1342/1342 1342 ± 0.00002392 5.777 5.498/5.914 5.695 ± 0.3139
7 1342 1342/1342 1342 ± 0.00002392 5.816 5.589/5.971 5.765 ± 0.3152
8 1342 1342/1342 1342 ± 0.00002392 5.69 5.464/5.975 5.716 ± 0.3704
9 1342 1342/1342 1342 ± 0.00002392 6.036 5.809/6.295 6.016 ± 0.3686
10 1342 1342/1342 1342 ± 0.00002348 6.642 6.273/6.727 6.493 ± 0.3593
11 1342 1342/1342 1342 ± 0.00002348 6.821 6.573/7.01 6.741 ± 0.375
12 1342 1342/1342 1342 ± 0.00002348 6.918 6.671/7.11 6.875 ± 0.4411
13 1342 1342/1342 1342 ± 0.00002348 7.416 7.114/7.769 7.356 ± 0.5024
14 1342 1342/1342 1342 ± 0.00002348 7.593 7.309/7.896 7.545 ± 0.5014
15 1342 1342/1342 1342 ± 0.00002348 7.112 6.886/7.529 7.153 ± 0.4673
16 1342 1342/1342 1342 ± 0.00002348 6.404 6.098/6.821 6.423 ± 0.4948
17 1342 1342/1342 1342 ± 0.00002348 6.347 6.08/6.693 6.341 ± 0.484
overwrite_modelcol
False
output_dir
 
vis
VLASS2.2.sb40880919.eb41034540.59559.16303170139_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-06-12 08:19:42.125
End
2025-06-12 09:37:26.389
Duration
1:17:44.263
Note, WebLog generation is not included in the time.

CASA logs for stage 8