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

Statwt Summary Plot

VLASS2.1.sb38464181.eb38625161.59091.97021673611_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 5.376 5.252/6.042 5.599 ± 0.6448
ea02 1342 1342/1342 1342 ± 0.00003378 5.958 5.377/6.571 6.003 ± 0.778
ea04 1342 1342/1342 1342 ± 0.00003187 5.161 4.908/5.769 5.303 ± 0.5992
ea05 1342 1342/1342 1342 ± 0.00001001 5.409 5.025/6.174 5.645 ± 0.709
ea06 1342 1342/1342 1342 ± 0 4.859 4.667/5.23 4.956 ± 0.4028
ea07 1342 1342/1342 1342 ± 0.000033 5.879 5.4/6.241 5.894 ± 0.7513
ea08 1342 1342/1342 1342 ± 0 6.535 5.571/6.967 6.299 ± 0.6459
ea10 1342 1342/1342 1342 ± 0.000033 5.792 5.273/6.541 5.862 ± 0.7866
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00001231 5.421 5.311/6.424 5.74 ± 0.8102
ea13 1342 1342/1342 1342 ± 0 5.826 5.603/6.287 5.953 ± 0.6359
ea14 1342 1342/1342 1342 ± 0.00001083 5.545 5.158/6.332 5.689 ± 0.7559
ea15 1342 1342/1342 1342 ± 0.0000241 5.238 5.005/6.01 5.466 ± 0.7096
ea16 1342 1342/1342 1342 ± 0.00001189 5.935 5.482/6.726 6.022 ± 0.8569
ea17 1342 1342/1342 1342 ± 0.000033 5.807 5.43/6.771 5.974 ± 0.7861
ea18 1342 1342/1342 1342 ± 0 5.069 4.732/5.588 5.151 ± 0.5099
ea19 1342 1342/1342 1342 ± 0 5.729 5.532/6.531 6.057 ± 0.7157
ea20 1342 1342/1342 1342 ± 0.000006843 5.834 5.616/6.609 5.996 ± 0.8571
ea21 1342 1342/1342 1342 ± 0.00001484 5.552 5.328/6.23 5.749 ± 0.6867
ea22 1342 1342/1342 1342 ± 0.00003081 5.501 5.214/6.51 5.831 ± 0.7152
ea23 1342 1342/1342 1342 ± 0.00003293 5.838 5.448/6.505 5.956 ± 0.8051
ea25 1342 1342/1342 1342 ± 0.00003293 5.393 5.104/6.145 5.571 ± 0.7397
ea26 1342 1342/1342 1342 ± 0.00002248 5.841 5.704/6.812 6.219 ± 0.7199
ea27 1342 1342/1342 1342 ± 0.00003352 5.5 5.11/6.361 5.704 ± 0.7292
ea28 1342 1342/1342 1342 ± 0 5.977 5.406/6.654 6.051 ± 0.6324
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 ± 0.00002443 5.241 5.03/5.568 5.277 ± 0.2928
5 1342 1342/1342 1342 ± 0.00002441 5.502 5.277/5.629 5.416 ± 0.3874
6 1342 1342/1342 1342 ± 0.00002443 5.362 5.132/5.528 5.316 ± 0.3095
7 1342 1342/1342 1342 ± 0.00002443 5.329 5.21/5.529 5.306 ± 0.278
8 1342 1342/1342 1342 ± 0.00002443 5.327 5.059/5.473 5.25 ± 0.2968
9 1342 1342/1342 1342 ± 0.00002443 5.589 5.382/5.835 5.548 ± 0.341
10 1342 1342/1342 1342 ± 0.00002443 5.98 5.838/6.196 5.954 ± 0.3485
11 1342 1342/1342 1342 ± 0.00002443 6.26 6.107/6.41 6.182 ± 0.3632
12 1342 1342/1342 1342 ± 0.00002443 6.408 6.213/6.578 6.341 ± 0.3838
13 1342 1342/1342 1342 ± 0.00002443 6.767 6.635/7.019 6.743 ± 0.4059
14 1342 1342/1342 1342 ± 0.00002443 7.096 6.778/7.233 6.949 ± 0.4436
15 1342 1342/1342 1342 ± 0.00002483 6.511 6.241/6.714 6.424 ± 0.4504
16 1342 1342/1342 1342 ± 0.00005022 4.538 4.375/4.764 4.56 ± 0.223
17 1342 1342/1342 1342 ± 0.0000609 4.487 4.288/4.735 4.512 ± 0.2731
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38464181.eb38625161.59091.97021673611_split_split.ms
statwtmode
VLASS-SE
Start time
2024-12-21 03:47:54.111
End
2024-12-21 04:34:08.350
Duration
0:46:14.238
Note, WebLog generation is not included in the time.

CASA logs for stage 8