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

Statwt Summary Plot

VLASS2.1.sb38652042.eb38809484.59142.37127280093_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 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea02 1342 1342/1342 1342 ± 0 5.672 5.369/6.466 5.635 ± 1.069
ea03 1342 1342/1342 1342 ± 0.00002564 4.984 4.7/5.93 5.165 ± 0.8248
ea04 1342 1342/1342 1342 ± 0.00001766 5.353 5.092/6.152 5.442 ± 0.9135
ea05 1342 1342/1342 1342 ± 0 5.315 4.947/6.008 5.364 ± 0.7614
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.00002904 5.699 5.436/6.326 5.61 ± 1.023
ea08 1342 1342/1342 1342 ± 0.00004339 5.671 5.376/6.543 5.667 ± 1.074
ea09 1342 1342/1342 1342 ± 0.0000428 5.484 5.158/6.297 5.503 ± 0.9636
ea10 1342 1342/1342 1342 ± 0.00004259 5.422 5.199/6.54 5.556 ± 1.152
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00002521 5.954 5.262/6.715 5.726 ± 1.149
ea13 1342 1342/1342 1342 ± 0.00002096 5.651 5.418/6.239 5.61 ± 0.8861
ea14 1342 1342/1342 1342 ± 0.00002714 5.426 5.133/6.408 5.486 ± 0.9135
ea15 1342 1342/1342 1342 ± 0 2.162 1.974/2.404 2.228 ± 0.3009
ea17 1342 1342/1342 1342 ± 0.00004223 6.067 5.588/6.817 5.996 ± 1.191
ea18 1342 1342/1342 1342 ± 0.00001322 4.956 4.659/5.532 5.003 ± 0.4861
ea19 1342 1342/1342 1342 ± 0.00001639 5.388 5.235/6.297 5.582 ± 0.8046
ea20 1342 1342/1342 1342 ± 0.00003355 5.857 5.776/7.098 6.154 ± 1.011
ea21 1342 1342/1342 1342 ± 0.000008844 5.511 5.306/6.351 5.558 ± 0.8701
ea23 1342 1342/1342 1342 ± 0.00001905 5.426 4.922/5.534 5.07 ± 0.855
ea24 1342 1342/1342 1342 ± 0.0000436 5.481 5.328/6.371 5.529 ± 0.9959
ea25 1342 1342/1342 1342 ± 0.00004297 5.504 5.086/6.188 5.429 ± 1.007
ea26 1342 1342/1342 1342 ± 0.00003516 5.73 5.554/6.702 5.832 ± 1.07
ea27 1342 1342/1342 1342 ± 0.00004262 5.425 5.142/6.375 5.428 ± 1.025
ea28 1342 1342/1342 1342 ± 0.00004264 5.311 5.12/6.218 5.351 ± 0.9642
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 ± 0.00002515 5.329 5.199/5.572 5.19 ± 0.7322
5 1342 1342/1342 1342 ± 0.00002776 5.348 5.059/5.499 5.162 ± 0.6607
6 1342 1342/1342 1342 ± 0.00002515 5.263 5.086/5.533 5.118 ± 0.7481
7 1342 1342/1342 1342 ± 0.00002515 5.334 5.241/5.464 5.187 ± 0.7482
8 1342 1342/1342 1342 ± 0.00002515 5.269 5.144/5.379 5.149 ± 0.7572
9 1342 1342/1342 1342 ± 0.00002636 5.522 5.23/5.833 5.409 ± 0.6791
10 1342 1342/1342 1342 ± 0.00002493 5.985 5.744/6.255 5.798 ± 0.8838
11 1342 1342/1342 1342 ± 0.00002493 6.298 6.069/6.568 6.132 ± 0.8745
12 1342 1342/1342 1342 ± 0.00002493 6.511 6.245/6.676 6.337 ± 0.9276
13 1342 1342/1342 1342 ± 0.00002493 6.536 6.365/6.738 6.39 ± 0.8779
14 1342 1342/1342 1342 ± 0.00002802 5.989 5.667/6.389 5.958 ± 0.863
15 1342 1342/1342 1342 ± 0.00002493 6.514 6.137/6.95 6.359 ± 1.006
16 1342 1342/1342 1342 ± 0.00005969 3.485 3.246/3.713 3.45 ± 0.4046
17 1342 1342/1342 1342 ± 0.000061 3.571 3.397/3.764 3.541 ± 0.4006
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38652042.eb38809484.59142.37127280093_split_split.ms
datacolumn
residual_data
Start time
2025-01-11 12:38:14.781
End
2025-01-11 13:43:31.067
Duration
1:05:16.286
Note, WebLog generation is not included in the time.

CASA logs for stage 8