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

Statwt Summary Plot

VLASS2.1.sb38452360.eb38575738.59077.463367233795_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 5.067 4.926/5.695 5.108 ± 0.8542
ea02 1342 1342/1342 1342 ± 0.00004376 5.678 5.159/6.242 5.495 ± 0.9809
ea04 1342 1342/1342 1342 ± 0.0000249 4.995 4.773/5.862 5.109 ± 0.8537
ea05 1342 1342/1342 1342 ± 0.000005551 5.399 5.06/6.263 5.515 ± 0.7783
ea06 1342 1342/1342 1342 ± 0.00003657 4.718 4.521/5.239 4.702 ± 0.6783
ea07 1342 1342/1342 1342 ± 0.00004256 5.604 5.132/5.989 5.41 ± 0.9201
ea08 1342 1342/1342 1342 ± 0.0000434 5.616 5.365/6.547 5.659 ± 1.09
ea09 1342 1342/1342 1342 ± 0.000007119 5.202 4.942/6.007 5.249 ± 0.8372
ea10 1342 1342/1342 1342 ± 0.0000429 5.301 4.924/6.096 5.261 ± 0.9349
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003995 5.249 5.056/6.327 5.398 ± 0.9997
ea13 1342 1342/1342 1342 ± 0.00001272 5.32 5.115/6.155 5.46 ± 0.8185
ea14 1342 1342/1342 1342 ± 0.000008904 5.614 5.135/6.465 5.59 ± 0.9682
ea15 1342 1342/1342 1342 ± 0.00001481 5.063 4.713/6.005 5.267 ± 0.9217
ea16 1342 1342/1342 1342 ± 0.00002608 5.637 5.269/6.452 5.617 ± 0.9827
ea17 1342 1342/1342 1342 ± 0.00004588 5.53 5.108/6.244 5.47 ± 1.028
ea18 1342 1342/1342 1342 ± 0.00004248 4.789 4.46/5.603 4.791 ± 0.7635
ea19 1342 1342/1342 1342 ± 0.000001747 5.582 5.357/6.588 5.763 ± 0.8519
ea20 1342 1342/1342 1342 ± 0.00004151 5.566 5.408/6.801 5.717 ± 1.093
ea21 1342 1342/1342 1342 ± 0.00001603 5.464 5.161/6.204 5.488 ± 0.8457
ea22 1342 1342/1342 1342 ± 0.00004203 5.241 4.906/6.09 5.296 ± 0.8979
ea23 1342 1342/1342 1342 ± 0.00004261 5.527 5.17/6.414 5.61 ± 1.01
ea25 1342 1342/1342 1342 ± 0.00004373 5.189 5.019/5.995 5.28 ± 0.8974
ea27 1342 1342/1342 1342 ± 0.00004507 4.625 4.245/5.602 4.751 ± 0.8214
ea28 1342 1342/1342 1342 ± 0.00004516 5.369 5.2/6.256 5.425 ± 0.9915
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 ± 0.00002454 5.113 4.876/5.282 5.08 ± 0.2964
3 1342 1342/1342 1342 ± 0.00003304 4.868 4.678/5.074 4.843 ± 0.3733
5 1342 1342/1342 1342 ± 0.00002454 5.173 4.923/5.288 5.068 ± 0.3613
6 1342 1342/1342 1342 ± 0.00002454 5.107 4.94/5.29 5.066 ± 0.2837
7 1342 1342/1342 1342 ± 0.00002454 5.115 4.974/5.288 5.093 ± 0.2568
8 1342 1342/1342 1342 ± 0.00002454 5.174 4.912/5.347 5.094 ± 0.2877
9 1342 1342/1342 1342 ± 0.00002454 5.441 5.222/5.648 5.377 ± 0.3173
10 1342 1342/1342 1342 ± 0.00002454 5.9 5.588/5.982 5.787 ± 0.3321
11 1342 1342/1342 1342 ± 0.00002454 6.121 5.968/6.242 6.054 ± 0.3301
12 1342 1342/1342 1342 ± 0.00002454 6.301 5.998/6.453 6.223 ± 0.343
13 1342 1342/1342 1342 ± 0.00002454 6.477 6.217/6.707 6.416 ± 0.4044
14 1342 1342/1342 1342 ± 0.00003951 6.23 5.815/6.663 6.226 ± 0.5206
15 1342 1342/1342 1342 ± 0.00002464 6.569 6.289/6.746 6.458 ± 0.4473
16 1342 1342/1342 1342 ± 0.00005772 3.526 3.328/3.763 3.572 ± 0.383
17 1342 1342/1342 1342 ± 0.00005867 3.519 3.346/3.735 3.565 ± 0.3198
datacolumn
residual_data
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-01-17 04:11:54.808
End
2025-01-17 04:32:16.191
Duration
0:20:21.383
Note, WebLog generation is not included in the time.

CASA logs for stage 8