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

Statwt Summary Plot

VLASS3.2.sb45478884.eb45758950.60430.75354622686_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 5.884 5.334/6.233 5.849 ± 0.5689
ea02 1342 1342/1342 1342 ± 0.00001785 6.269 5.558/6.447 6.137 ± 0.68
ea03 1342 1342/1342 1342 ± 0.0000177 6.088 5.377/6.727 6.09 ± 0.7222
ea04 1342 1342/1342 1342 ± 0.00001261 5.564 5.121/6.012 5.552 ± 0.62
ea05 1342 1342/1342 1342 ± 0.00001319 5.766 5.6/6.485 5.986 ± 0.6333
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0 6.082 5.241/6.273 5.974 ± 0.6936
ea08 1342 1342/1342 1342 ± 0 6.517 5.685/6.839 6.386 ± 0.6523
ea09 1342 1342/1342 1342 ± 0.000001121 5.687 5.132/6.408 5.826 ± 0.6616
ea10 1342 1342/1342 1342 ± 0.000001162 5.451 5.053/6.109 5.597 ± 0.6006
ea11 1342 1342/1342 1342 ± 0.00001963 5.409 5.221/6.163 5.603 ± 0.6751
ea12 1342 1342/1342 1342 ± 0 5.471 5.326/6.315 5.74 ± 0.6312
ea13 1342 1342/1342 1342 ± 0 6.14 5.484/6.296 6.025 ± 0.563
ea14 1342 1342/1342 1342 ± 0.00001592 5.937 5.48/6.509 6.082 ± 0.581
ea15 1342 1342/1342 1342 ± 0.00001776 5.97 5.286/6.391 5.96 ± 0.7053
ea16 1342 1342/1342 1342 ± 0 6.155 5.619/6.713 6.196 ± 0.6954
ea17 1342 1342/1342 1342 ± 0 6.209 5.724/7.043 6.257 ± 0.7583
ea18 1342 1342/1342 1342 ± 0 6.574 5.892/7.144 6.492 ± 0.6638
ea19 1342 1342/1342 1342 ± 0 5.762 5.276/6.487 5.887 ± 0.6184
ea20 1342 1342/1342 1342 ± 0 6.114 5.642/6.483 6.13 ± 0.5792
ea21 1342 1342/1342 1342 ± 0 5.641 5.153/6.107 5.689 ± 0.5548
ea22 1342 1342/1342 1342 ± 0 6.549 6.035/7.251 6.568 ± 0.6424
ea23 1342 1342/1342 1342 ± 0.000003484 5.877 5.501/6.383 6.073 ± 0.6676
ea24 1342 1342/1342 1342 ± 0 6.083 5.265/6.485 5.89 ± 0.5998
ea25 1342 1342/1342 1342 ± 0 6.577 5.621/6.88 6.449 ± 0.8032
ea27 1342 1342/1342 1342 ± 0 5.845 5.382/6.509 5.923 ± 0.6121
ea28 1342 1342/1342 1342 ± 0 6.323 5.683/6.901 6.343 ± 0.664
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 ± 0.00002396 5.436 5.322/5.576 5.456 ± 0.2001
4 1342 1342/1342 1342 ± 0.00003253 5.161 4.814/5.428 5.18 ± 0.4028
5 1342 1342/1342 1342 ± 0.00003061 5.148 4.916/5.56 5.175 ± 0.3824
6 1342 1342/1342 1342 ± 0.00002396 5.223 5.037/5.471 5.246 ± 0.2889
7 1342 1342/1342 1342 ± 0.00002396 5.369 5.24/5.554 5.37 ± 0.2255
8 1342 1342/1342 1342 ± 0.00002396 5.296 5.146/5.498 5.329 ± 0.2571
9 1342 1342/1342 1342 ± 0.00002396 5.606 5.467/5.899 5.656 ± 0.2833
10 1342 1342/1342 1342 ± 0.00002375 6.092 5.954/6.279 6.126 ± 0.2514
11 1342 1342/1342 1342 ± 0.00002348 6.356 6.157/6.493 6.356 ± 0.271
12 1342 1342/1342 1342 ± 0.00002348 6.435 6.296/6.72 6.506 ± 0.2973
13 1342 1342/1342 1342 ± 0.00002348 6.906 6.706/7.178 6.948 ± 0.3187
14 1342 1342/1342 1342 ± 0.00002348 7.108 6.882/7.411 7.115 ± 0.3234
15 1342 1342/1342 1342 ± 0.00002348 6.708 6.514/7.092 6.763 ± 0.3692
16 1342 1342/1342 1342 ± 0.00002979 6.159 5.75/6.311 6.069 ± 0.4117
17 1342 1342/1342 1342 ± 0.00002797 6.102 5.773/6.265 6.045 ± 0.3718
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45478884.eb45758950.60430.75354622686_split_split.ms
overwrite_modelcol
False
Start time
2025-07-18 12:09:20.170
End
2025-07-18 13:22:48.296
Duration
1:13:28.126
Note, WebLog generation is not included in the time.

CASA logs for stage 8