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 5.601 5.253/6.316 5.657 ± 0.7985
ea02 1342 1342/1342 1342 ± 0.00004275 6.016 5.513/6.813 6.014 ± 0.9247
ea04 1342 1342/1342 1342 ± 0.00003639 5.315 4.843/5.973 5.311 ± 0.7626
ea05 1342 1342/1342 1342 ± 0.00002034 5.324 5.015/6.386 5.618 ± 0.8633
ea06 1342 1342/1342 1342 ± 0.00004241 5.091 4.727/5.718 5.139 ± 0.701
ea07 1342 1342/1342 1342 ± 0.00004181 5.925 5.389/6.296 5.79 ± 0.8296
ea08 1342 1342/1342 1342 ± 0.0000429 6.048 5.694/6.935 6.129 ± 0.9755
ea09 1342 1342/1342 1342 ± 0.00002279 5.366 4.951/5.753 5.28 ± 0.6376
ea10 1342 1342/1342 1342 ± 0.00004225 5.236 4.793/5.981 5.28 ± 0.7299
ea11 1342 1342/1342 1342 ± 0.00004157 6.058 5.454/6.732 5.992 ± 0.9537
ea12 1342 1342/1342 1342 ± 0.0000419 5.76 5.228/6.364 5.661 ± 0.848
ea13 1342 1342/1342 1342 ± 0.00001493 5.902 5.651/6.358 5.931 ± 0.7557
ea14 1342 1342/1342 1342 ± 0.00003819 5.604 5.252/6.641 5.843 ± 0.9383
ea15 1342 1342/1342 1342 ± 0.00002772 5.301 4.989/6.151 5.485 ± 0.8748
ea16 1342 1342/1342 1342 ± 0.00003063 5.782 5.406/6.699 5.877 ± 0.9385
ea17 1342 1342/1342 1342 ± 0.00004169 6.143 5.651/7.101 6.145 ± 0.9744
ea18 1342 1342/1342 1342 ± 0.00004304 5.153 4.741/5.827 5.155 ± 0.7148
ea19 1342 1342/1342 1342 ± 0.00001041 5.67 5.386/6.639 5.887 ± 0.9137
ea20 1342 1342/1342 1342 ± 0.00004212 6.088 5.657/7.003 6.191 ± 1.02
ea21 1342 1342/1342 1342 ± 0.00003209 5.447 5.188/6.317 5.593 ± 0.8622
ea22 1342 1342/1342 1342 ± 0.00003355 5.447 5.204/6.489 5.681 ± 0.8325
ea23 1342 1342/1342 1342 ± 0.0000528 6.5 6.156/7.099 6.111 ± 1.187
ea24 1342 1342/1342 1342 ± 0.00001441 5.201 4.92/6.12 5.423 ± 0.7222
ea25 1342 1342/1342 1342 ± 0.00004148 5.744 5.316/6.574 5.806 ± 0.8686
ea26 1342 1342/1342 1342 ± 0.00002084 5.895 5.597/6.792 6.017 ± 0.8959
ea27 1342 1342/1342 1342 ± 0.00004193 5.645 5.218/6.465 5.706 ± 0.8053
ea28 1342 1342/1342 1342 ± 0.00004288 6.062 5.573/6.841 6.034 ± 0.9329
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 ± 0.0000235 5.621 5.206/5.893 5.537 ± 0.3923
5 1342 1342/1342 1342 ± 0.00002393 5.278 5.057/5.546 5.311 ± 0.3838
6 1342 1342/1342 1342 ± 0.0000235 5.37 4.983/5.578 5.301 ± 0.3288
7 1342 1342/1342 1342 ± 0.0000235 5.391 5.004/5.521 5.331 ± 0.3163
8 1342 1342/1342 1342 ± 0.0000235 5.396 4.988/5.514 5.297 ± 0.3584
9 1342 1342/1342 1342 ± 0.00002381 5.68 5.315/5.85 5.594 ± 0.3573
10 1342 1342/1342 1342 ± 0.00002307 6.09 5.802/6.294 6.047 ± 0.3606
11 1342 1342/1342 1342 ± 0.00002307 6.323 6.118/6.6 6.316 ± 0.355
12 1342 1342/1342 1342 ± 0.00002307 6.557 6.268/6.791 6.492 ± 0.3884
13 1342 1342/1342 1342 ± 0.00002307 6.888 6.489/7.172 6.822 ± 0.4181
14 1342 1342/1342 1342 ± 0.00002307 7.111 6.827/7.406 7.009 ± 0.4591
15 1342 1342/1342 1342 ± 0.00002474 6.611 6.269/6.861 6.529 ± 0.4297
16 1342 1342/1342 1342 ± 0.0000552 4.197 4.093/4.298 4.194 ± 0.1608
17 1342 1342/1342 1342 ± 0.00005575 4.22 4.097/4.379 4.244 ± 0.2614
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38499285.eb38509861.59047.50492306713_split_split.ms
statwtmode
VLASS-SE
Start time
2024-11-23 16:44:27.610
End
2024-11-23 17:35:40.441
Duration
0:51:12.831
Note, WebLog generation is not included in the time.

CASA logs for stage 8