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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.474 5.34/6.073 5.51 ± 0.8907
ea02 1342 1342/1342 1342 ± 0.00004185 6.076 5.472/6.792 5.91 ± 1.079
ea04 1342 1342/1342 1342 ± 0.00004194 5.474 5.148/6.206 5.391 ± 0.9606
ea05 1342 1342/1342 1342 ± 0.000009439 5.473 5.128/6.235 5.531 ± 0.8138
ea06 1342 1342/1342 1342 ± 0.00004236 5.261 4.916/5.841 5.121 ± 0.8473
ea07 1342 1342/1342 1342 ± 0.000043 5.681 5.403/6.207 5.591 ± 0.916
ea09 1342 1342/1342 1342 ± 0.00002334 5.505 5.104/6.005 5.366 ± 0.7552
ea10 1342 1342/1342 1342 ± 0.00004415 5.126 4.81/5.88 5.114 ± 0.8146
ea11 1342 1342/1342 1342 ± 0.00004294 6.076 5.419/6.702 5.78 ± 1.024
ea12 1342 1342/1342 1342 ± 0.00004256 5.888 5.507/6.75 5.838 ± 1.076
ea13 1342 1342/1342 1342 ± 0.00001857 5.812 5.673/6.364 5.865 ± 0.85
ea14 1342 1342/1342 1342 ± 0.00001766 5.765 5.334/6.602 5.738 ± 0.9717
ea15 1342 1342/1342 1342 ± 0.00003961 5.778 5.418/6.601 5.724 ± 1.154
ea16 1342 1342/1342 1342 ± 0.00002077 5.813 5.526/6.544 5.787 ± 1.026
ea17 1342 1342/1342 1342 ± 0.00004614 6.066 5.518/6.626 5.907 ± 1.049
ea18 1342 1342/1342 1342 ± 0.00004293 5.121 4.753/5.677 5.045 ± 0.7813
ea19 1342 1342/1342 1342 ± 0 5.749 5.489/6.547 5.808 ± 0.8558
ea20 1342 1342/1342 1342 ± 0.00004293 6.188 5.89/7.076 6.14 ± 1.112
ea21 1342 1342/1342 1342 ± 0.00001722 5.602 5.318/6.287 5.521 ± 0.8714
ea22 1342 1342/1342 1342 ± 0.00003129 5.529 5.224/6.545 5.655 ± 0.9545
ea23 1342 1342/1342 1342 ± 0.00003868 5.97 5.488/6.523 5.747 ± 1.019
ea24 1342 1342/1342 1342 ± 0.00001533 5.306 4.862/6.109 5.361 ± 0.7176
ea25 1342 1342/1342 1342 ± 0.00004353 5.773 5.321/6.37 5.61 ± 0.9531
ea26 1342 1342/1342 1342 ± 0.00002461 5.778 5.62/6.836 5.952 ± 0.9837
ea27 1342 1342/1342 1342 ± 0.00004441 5.728 5.296/6.639 5.652 ± 0.9971
ea28 1342 1342/1342 1342 ± 0.00004395 5.839 5.577/6.798 5.875 ± 1.039
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 ± 0.00002349 5.487 5.311/5.662 5.454 ± 0.3205
3 1342 1342/1342 1342 ± 0.00004883 5.04 4.674/5.398 5.056 ± 0.5834
5 1342 1342/1342 1342 ± 0.00002348 5.39 5.188/5.533 5.374 ± 0.3261
6 1342 1342/1342 1342 ± 0.00002349 5.45 5.121/5.575 5.37 ± 0.2749
7 1342 1342/1342 1342 ± 0.00002349 5.481 5.241/5.594 5.417 ± 0.288
8 1342 1342/1342 1342 ± 0.00002349 5.462 5.131/5.567 5.389 ± 0.3263
9 1342 1342/1342 1342 ± 0.00002349 5.766 5.415/5.898 5.682 ± 0.3159
10 1342 1342/1342 1342 ± 0.00002349 6.15 5.912/6.279 6.082 ± 0.3011
11 1342 1342/1342 1342 ± 0.00002349 6.409 6.107/6.616 6.385 ± 0.3067
12 1342 1342/1342 1342 ± 0.00002349 6.543 6.339/6.792 6.559 ± 0.347
13 1342 1342/1342 1342 ± 0.00002354 6.766 6.414/7.021 6.678 ± 0.3956
14 1342 1342/1342 1342 ± 0.00003299 6.339 6.045/6.726 6.363 ± 0.5317
15 1342 1342/1342 1342 ± 0.00002473 6.788 6.193/7.072 6.636 ± 0.5139
16 1342 1342/1342 1342 ± 0.00005643 3.598 3.433/3.832 3.638 ± 0.3216
17 1342 1342/1342 1342 ± 0.00005848 3.75 3.592/4.021 3.821 ± 0.3329
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2024-05-18 01:52:18.863
End
2024-05-18 02:54:45.015
Duration
1:02:26.153
Note, WebLog generation is not included in the time.

CASA logs for stage 8