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

Statwt Summary Plot

VLASS2.1.sb38539165.eb38696919.59128.74249967592_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 5.358 5.095/5.791 5.521 ± 0.5197
ea02 1342 1342/1342 1342 ± 0 5.589 5.28/6.326 5.812 ± 0.6559
ea03 1342 1342/1342 1342 ± 0 5.024 4.555/5.798 5.181 ± 0.6509
ea04 1342 1342/1342 1342 ± 0.000006856 5.49 5.133/6.05 5.647 ± 0.5381
ea05 1342 1342/1342 1342 ± 0 5.632 5.213/6.181 5.745 ± 0.6052
ea06 1342 1342/1342 1342 ± 0 4.983 4.783/5.416 5.104 ± 0.3721
ea07 1342 1342/1342 1342 ± 0 5.889 5.421/6.223 5.931 ± 0.5992
ea08 1342 1342/1342 1342 ± 0 5.637 5.456/6.552 5.984 ± 0.7165
ea09 1342 1342/1342 1342 ± 0 5.502 5.101/6.22 5.66 ± 0.6641
ea10 1342 1342/1342 1342 ± 0 5.856 5.257/6.56 5.876 ± 0.6645
ea11 1342 1342/1342 1342 ± 0 6.269 5.893/6.587 6.243 ± 0.6458
ea12 1342 1342/1342 1342 ± 0.000001214 5.704 5.305/6.285 5.848 ± 0.5977
ea13 1342 1342/1342 1342 ± 0 5.763 5.547/6.311 5.974 ± 0.5593
ea14 1342 1342/1342 1342 ± 0 5.823 5.26/6.429 5.888 ± 0.6961
ea15 1342 1342/1342 1342 ± 0 5.642 5.188/6.258 5.789 ± 0.6793
ea16 1342 1342/1342 1342 ± 0 6.114 5.598/6.73 6.207 ± 0.7689
ea17 1342 1342/1342 1342 ± 0.00001634 6.137 5.717/6.832 6.295 ± 0.7167
ea18 1342 1342/1342 1342 ± 0 4.882 4.572/5.416 5.025 ± 0.5034
ea19 1342 1342/1342 1342 ± 0 5.757 5.353/6.38 5.929 ± 0.6178
ea21 1342 1342/1342 1342 ± 0 5.715 5.303/6.302 5.832 ± 0.6085
ea22 1342 1342/1342 1342 ± 0 5.373 5.144/6.244 5.641 ± 0.6479
ea23 1342 1342/1342 1342 ± 0 5.974 5.53/6.473 6.079 ± 0.6892
ea25 1342 1342/1342 1342 ± 0.000002427 5.637 5.226/6.102 5.709 ± 0.5622
ea26 1342 1342/1342 1342 ± 0 5.806 5.407/6.581 5.984 ± 0.7535
ea27 1342 1342/1342 1342 ± 0.00002685 5.513 5.179/6.315 5.716 ± 0.6086
ea28 1342 1342/1342 1342 ± 0.000008227 5.262 5.055/6.05 5.497 ± 0.6236
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 ± 0.00002352 5.273 5.112/5.443 5.235 ± 0.2568
3 1342 1342/1342 1342 ± 0.00002408 4.978 4.798/5.305 5.017 ± 0.2933
4 1342 1342/1342 1342 ± 0.00002425 5.12 5.003/5.309 5.14 ± 0.3349
5 1342 1342/1342 1342 ± 0.00002399 5.19 5.009/5.32 5.163 ± 0.3063
6 1342 1342/1342 1342 ± 0.00002397 5.271 5.06/5.398 5.205 ± 0.2912
7 1342 1342/1342 1342 ± 0.00002397 5.26 5.188/5.418 5.272 ± 0.2701
8 1342 1342/1342 1342 ± 0.00002397 5.251 5.074/5.412 5.236 ± 0.3033
9 1342 1342/1342 1342 ± 0.00002397 5.516 5.298/5.808 5.526 ± 0.3424
10 1342 1342/1342 1342 ± 0.00002397 6.009 5.75/6.205 5.939 ± 0.3317
11 1342 1342/1342 1342 ± 0.00002352 6.263 6.069/6.398 6.169 ± 0.3251
12 1342 1342/1342 1342 ± 0.00002397 6.379 6.192/6.499 6.334 ± 0.3692
13 1342 1342/1342 1342 ± 0.00002397 6.816 6.596/6.917 6.754 ± 0.4029
14 1342 1342/1342 1342 ± 0.00002352 6.958 6.786/7.163 6.911 ± 0.4304
15 1342 1342/1342 1342 ± 0.00002397 6.605 6.376/6.812 6.538 ± 0.4238
16 1342 1342/1342 1342 ± 0.00002881 5.87 5.546/6.182 5.841 ± 0.4331
17 1342 1342/1342 1342 ± 0.00003029 5.853 5.543/6.077 5.821 ± 0.3984
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38539165.eb38696919.59128.74249967592_split_split.ms
statwtmode
VLASS-SE
Start time
2024-11-15 06:03:43.912
End
2024-11-15 06:49:17.376
Duration
0:45:33.465
Note, WebLog generation is not included in the time.

CASA logs for stage 8