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

Statwt Summary Plot

VLASS2.1.sb38500385.eb38635359.59099.351010810184_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 5.192 5.036/6.003 5.455 ± 0.6868
ea02 1342 1342/1342 1342 ± 0.0000405 5.748 5.143/6.552 5.843 ± 0.8247
ea04 1342 1342/1342 1342 ± 0.00002507 5.278 4.911/5.826 5.365 ± 0.6489
ea05 1342 1342/1342 1342 ± 0.000008754 5.427 5.011/6.434 5.688 ± 0.7533
ea06 1342 1342/1342 1342 ± 0.00001749 4.787 4.536/5.397 4.909 ± 0.5677
ea07 1342 1342/1342 1342 ± 0.0000429 5.716 5.244/6.211 5.708 ± 0.8264
ea08 1342 1342/1342 1342 ± 0.0000436 5.899 5.371/6.718 5.993 ± 0.9024
ea09 1342 1342/1342 1342 ± 0.00001212 5.472 5.097/6.271 5.673 ± 0.7046
ea10 1342 1342/1342 1342 ± 0.00004383 5.639 5.052/6.495 5.699 ± 0.8868
ea11 1342 1342/1342 1342 ± 0.00004301 5.501 4.965/6.255 5.567 ± 0.8268
ea12 1342 1342/1342 1342 ± 0.00002369 5.497 5.204/6.13 5.666 ± 0.7835
ea13 1342 1342/1342 1342 ± 0.000005638 5.686 5.507/6.244 5.918 ± 0.6151
ea14 1342 1342/1342 1342 ± 0.0000425 5.481 5.067/6.33 5.632 ± 0.8293
ea15 1342 1342/1342 1342 ± 0.000007457 5.249 4.978/6.095 5.484 ± 0.7802
ea16 1342 1342/1342 1342 ± 0.00001972 5.799 5.319/6.768 5.961 ± 0.9795
ea17 1342 1342/1342 1342 ± 0.00004412 5.743 5.176/6.463 5.836 ± 0.8966
ea18 1342 1342/1342 1342 ± 0.00004368 4.76 4.554/5.321 4.941 ± 0.5911
ea19 1342 1342/1342 1342 ± 0.00002493 5.691 5.435/6.759 6.003 ± 0.8433
ea20 1342 1342/1342 1342 ± 0.00003986 5.777 5.596/6.654 5.965 ± 0.8677
ea21 1342 1342/1342 1342 ± 0.00003136 5.459 5.122/6.238 5.615 ± 0.7739
ea22 1342 1342/1342 1342 ± 0.00001812 5.273 4.922/6.228 5.588 ± 0.71
ea23 1342 1342/1342 1342 ± 0.00004292 5.614 5.224/6.495 5.784 ± 0.922
ea25 1342 1342/1342 1342 ± 0.0000438 5.378 4.998/5.992 5.473 ± 0.7687
ea26 1342 1342/1342 1342 ± 0.00001236 5.792 5.496/6.855 6.068 ± 0.7745
ea27 1342 1342/1342 1342 ± 0.00004321 5.378 4.987/6.31 5.532 ± 0.7838
ea28 1342 1342/1342 1342 ± 0.00004404 5.483 5.233/6.412 5.738 ± 0.8391
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 5.135 4.984/5.475 5.204 ± 0.2915
5 1342 1342/1342 1342 ± 0.00003454 5.358 5.138/5.59 5.364 ± 0.351
6 1342 1342/1342 1342 ± 0.0000235 5.244 4.991/5.396 5.175 ± 0.2883
7 1342 1342/1342 1342 ± 0.0000235 5.17 5.047/5.381 5.189 ± 0.2657
8 1342 1342/1342 1342 ± 0.0000235 5.165 4.991/5.317 5.147 ± 0.2778
9 1342 1342/1342 1342 ± 0.0000235 5.471 5.252/5.718 5.449 ± 0.307
10 1342 1342/1342 1342 ± 0.0000235 5.946 5.837/6.13 5.924 ± 0.3071
11 1342 1342/1342 1342 ± 0.0000235 6.239 6.073/6.361 6.188 ± 0.3324
12 1342 1342/1342 1342 ± 0.0000235 6.4 6.209/6.563 6.363 ± 0.3586
13 1342 1342/1342 1342 ± 0.0000235 6.744 6.616/7.033 6.768 ± 0.375
14 1342 1342/1342 1342 ± 0.0000235 6.977 6.815/7.248 6.96 ± 0.4089
15 1342 1342/1342 1342 ± 0.00002396 6.356 6.008/6.666 6.301 ± 0.515
16 1342 1342/1342 1342 ± 0.00005991 4.368 4.209/4.613 4.416 ± 0.2645
17 1342 1342/1342 1342 ± 0.00006067 4.518 4.378/4.747 4.588 ± 0.3074
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38500385.eb38635359.59099.351010810184_split_split.ms
output_dir
 
Start time
2024-11-02 11:33:29.808
End
2024-11-02 12:41:13.381
Duration
1:07:43.574
Note, WebLog generation is not included in the time.

CASA logs for stage 8