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

Statwt Summary Plot

VLASS2.1.sb38471682.eb38515236.59049.18662664352_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 5.583 5.336/6.303 5.695 ± 0.7233
ea02 1342 1342/1342 1342 ± 0.00004315 6.082 5.611/6.743 6.046 ± 0.8824
ea04 1342 1342/1342 1342 ± 0.00001215 5.406 5.296/6.087 5.573 ± 0.7302
ea05 1342 1342/1342 1342 ± 0.0000134 5.531 5.218/6.559 5.805 ± 0.7643
ea06 1342 1342/1342 1342 ± 0.00002522 5.117 4.865/5.766 5.246 ± 0.6377
ea07 1342 1342/1342 1342 ± 0.00004254 5.96 5.582/6.325 5.877 ± 0.8125
ea09 1342 1342/1342 1342 ± 0.00002276 5.278 5.095/5.77 5.35 ± 0.5722
ea10 1342 1342/1342 1342 ± 0.00004242 5.32 4.937/6.009 5.352 ± 0.6867
ea11 1342 1342/1342 1342 ± 0.00004158 6.079 5.539/6.709 6.019 ± 0.9149
ea12 1342 1342/1342 1342 ± 0.00003569 5.778 5.709/6.691 5.99 ± 0.9299
ea13 1342 1342/1342 1342 ± 0.00001534 6.143 5.646/6.331 6.032 ± 0.6836
ea14 1342 1342/1342 1342 ± 0.00003213 5.775 5.504/6.698 5.975 ± 0.8479
ea15 1342 1342/1342 1342 ± 0.00001327 5.706 5.305/6.539 5.834 ± 0.8939
ea16 1342 1342/1342 1342 ± 0.00002639 5.962 5.559/6.799 6.077 ± 0.9151
ea17 1342 1342/1342 1342 ± 0.00004262 6.037 5.625/7.021 6.094 ± 0.942
ea18 1342 1342/1342 1342 ± 0.00004305 5.137 4.945/5.935 5.292 ± 0.6823
ea19 1342 1342/1342 1342 ± 0.000005992 5.864 5.652/6.669 6.044 ± 0.7859
ea20 1342 1342/1342 1342 ± 0.00003769 6.224 5.969/7.033 6.348 ± 0.9677
ea21 1342 1342/1342 1342 ± 0.00002939 5.599 5.24/6.366 5.759 ± 0.7862
ea22 1342 1342/1342 1342 ± 0.00003405 5.685 5.169/6.545 5.796 ± 0.8081
ea23 1342 1342/1342 1342 ± 0.00004344 6.002 5.526/6.756 6.022 ± 0.9658
ea24 1342 1342/1342 1342 ± 0.00001467 5.277 4.895/6.163 5.475 ± 0.6564
ea25 1342 1342/1342 1342 ± 0.00004272 5.754 5.243/6.413 5.766 ± 0.8483
ea26 1342 1342/1342 1342 ± 0.00002201 5.928 5.825/6.932 6.145 ± 0.8469
ea27 1342 1342/1342 1342 ± 0.00004346 5.791 5.378/6.664 5.884 ± 0.8699
ea28 1342 1342/1342 1342 ± 0.00004274 5.772 5.655/6.74 6.017 ± 0.8668
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 5.353 5.182/5.599 5.326 ± 0.3146
5 1342 1342/1342 1342 ± 0.00002583 5.702 5.464/5.922 5.685 ± 0.3147
6 1342 1342/1342 1342 ± 0.0000235 5.594 5.239/5.733 5.52 ± 0.2945
7 1342 1342/1342 1342 ± 0.0000235 5.61 5.398/5.766 5.541 ± 0.298
8 1342 1342/1342 1342 ± 0.0000235 5.549 5.213/5.649 5.467 ± 0.3298
9 1342 1342/1342 1342 ± 0.0000235 5.772 5.328/5.952 5.668 ± 0.3453
10 1342 1342/1342 1342 ± 0.0000235 6.173 5.922/6.268 6.089 ± 0.309
11 1342 1342/1342 1342 ± 0.0000235 6.411 6.082/6.621 6.354 ± 0.3245
12 1342 1342/1342 1342 ± 0.0000235 6.555 6.303/6.75 6.517 ± 0.371
13 1342 1342/1342 1342 ± 0.0000235 6.942 6.716/7.254 6.912 ± 0.4283
14 1342 1342/1342 1342 ± 0.0000235 7.205 6.855/7.349 7.057 ± 0.4453
15 1342 1342/1342 1342 ± 0.00002374 6.669 6.405/6.912 6.591 ± 0.4206
16 1342 1342/1342 1342 ± 0.00005909 4.382 4.24/4.52 4.379 ± 0.1968
17 1342 1342/1342 1342 ± 0.00006049 4.382 4.241/4.645 4.429 ± 0.2621
vis
VLASS2.1.sb38471682.eb38515236.59049.18662664352_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2024-06-06 02:33:40.461
End
2024-06-06 03:03:52.580
Duration
0:30:12.120
Note, WebLog generation is not included in the time.

CASA logs for stage 8