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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.876 5.595/6.427 6.004 ± 0.577
ea02 1342 1342/1342 1342 ± 0.000002847 6.011 5.513/6.714 6.161 ± 0.6712
ea04 1342 1342/1342 1342 ± 0.000006567 5.443 5.033/5.972 5.521 ± 0.5724
ea05 1342 1342/1342 1342 ± 0.00000822 5.864 5.088/6.353 5.688 ± 0.669
ea06 1342 1342/1342 1342 ± 0 4.785 4.461/5.231 4.834 ± 0.4165
ea07 1342 1342/1342 1342 ± 0 6.191 5.719/6.463 6.21 ± 0.601
ea08 1342 1342/1342 1342 ± 0.000004022 6.086 5.758/6.984 6.317 ± 0.6992
ea09 1342 1342/1342 1342 ± 0 5.656 5.19/6.289 5.768 ± 0.6796
ea10 1342 1342/1342 1342 ± 0 6.074 5.491/6.935 6.169 ± 0.7195
ea11 1342 1342/1342 1342 ± 0 6.144 5.365/6.61 6.047 ± 0.6968
ea12 1342 1342/1342 1342 ± 0 5.898 5.343/6.433 5.937 ± 0.6541
ea13 1342 1342/1342 1342 ± 0 6.208 5.622/6.3 6.07 ± 0.5562
ea14 1342 1342/1342 1342 ± 0 6.065 5.238/6.447 5.923 ± 0.6997
ea15 1342 1342/1342 1342 ± 0 5.647 4.908/6.146 5.595 ± 0.7371
ea16 1342 1342/1342 1342 ± 0 6.246 5.651/6.761 6.327 ± 0.7496
ea17 1342 1342/1342 1342 ± 0.000005984 6.277 5.843/7.144 6.45 ± 0.6785
ea18 1342 1342/1342 1342 ± 0 5.243 4.857/5.755 5.299 ± 0.5259
ea19 1342 1342/1342 1342 ± 0 5.663 5.453/6.713 6.139 ± 0.7314
ea20 1342 1342/1342 1342 ± 0 6.384 5.758/6.967 6.306 ± 0.671
ea21 1342 1342/1342 1342 ± 0 5.813 5.321/6.317 5.827 ± 0.6198
ea22 1342 1342/1342 1342 ± 0 5.698 5.262/6.414 5.81 ± 0.6365
ea23 1342 1342/1342 1342 ± 0 6.267 5.642/6.787 6.278 ± 0.707
ea25 1342 1342/1342 1342 ± 0 5.894 5.494/6.456 5.968 ± 0.6042
ea26 1342 1342/1342 1342 ± 0 6.09 5.486/6.92 6.172 ± 0.7177
ea27 1342 1342/1342 1342 ± 0.00001792 5.703 5.454/6.734 5.985 ± 0.696
ea28 1342 1342/1342 1342 ± 0.00001336 5.892 5.649/6.775 6.175 ± 0.6832
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 ± 0.00002354 5.499 5.135/5.598 5.417 ± 0.3412
3 1342 1342/1342 1342 ± 0.00002572 5.248 5.119/5.576 5.274 ± 0.3181
4 1342 1342/1342 1342 ± 0.00002466 5.39 5.133/5.52 5.305 ± 0.344
5 1342 1342/1342 1342 ± 0.00002354 5.403 5.161/5.739 5.425 ± 0.3947
6 1342 1342/1342 1342 ± 0.00002354 5.427 5.147/5.588 5.332 ± 0.3368
7 1342 1342/1342 1342 ± 0.00002354 5.434 5.244/5.628 5.379 ± 0.3296
8 1342 1342/1342 1342 ± 0.00002354 5.445 5.195/5.615 5.349 ± 0.3582
9 1342 1342/1342 1342 ± 0.00002354 5.711 5.378/5.99 5.64 ± 0.4149
10 1342 1342/1342 1342 ± 0.00002359 6.237 5.909/6.34 6.115 ± 0.3761
11 1342 1342/1342 1342 ± 0.00002359 6.423 6.211/6.636 6.353 ± 0.4022
12 1342 1342/1342 1342 ± 0.00002354 6.505 6.358/6.792 6.521 ± 0.4236
13 1342 1342/1342 1342 ± 0.00002354 7.106 6.846/7.302 7.009 ± 0.4454
14 1342 1342/1342 1342 ± 0.00002354 7.282 6.953/7.562 7.192 ± 0.4878
15 1342 1342/1342 1342 ± 0.00002354 6.846 6.619/7.061 6.758 ± 0.4574
16 1342 1342/1342 1342 ± 0.00002698 6.074 5.877/6.267 6.06 ± 0.3813
17 1342 1342/1342 1342 ± 0.00002642 6.064 5.826/6.249 6.037 ± 0.3612
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
output_dir
 
Start time
2025-01-07 03:52:04.675
End
2025-01-07 04:49:21.300
Duration
0:57:16.626
Note, WebLog generation is not included in the time.

CASA logs for stage 8