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

Statwt Summary Plot

VLASS2.1.sb38501480.eb38632936.59097.386918425924_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 5.044 4.862/5.849 5.406 ± 0.659
ea02 1342 1342/1342 1342 ± 0.00001073 5.413 5.124/6.538 5.804 ± 0.8156
ea04 1342 1342/1342 1342 ± 0.00002575 5.246 4.796/5.894 5.394 ± 0.7154
ea05 1342 1342/1342 1342 ± 0.000004488 5.63 5.132/6.494 5.781 ± 0.7723
ea06 1342 1342/1342 1342 ± 0.00003802 5.252 4.539/5.358 4.987 ± 0.5614
ea07 1342 1342/1342 1342 ± 0.0000448 5.673 5.032/6.179 5.695 ± 0.8159
ea08 1342 1342/1342 1342 ± 0.00004351 5.855 5.154/6.619 5.939 ± 0.9121
ea09 1342 1342/1342 1342 ± 0 5.61 5.05/6.432 5.773 ± 0.7468
ea10 1342 1342/1342 1342 ± 0.00004549 5.57 4.855/6.561 5.705 ± 0.886
ea11 1342 1342/1342 1342 ± 0.00004888 5.361 4.797/6.32 5.602 ± 0.8885
ea12 1342 1342/1342 1342 ± 0.00003456 5.726 5.049/6.219 5.706 ± 0.771
ea13 1342 1342/1342 1342 ± 0 6.231 5.375/6.748 6.1 ± 0.7317
ea14 1342 1342/1342 1342 ± 0.00002657 5.151 4.819/6.314 5.537 ± 0.826
ea15 1342 1342/1342 1342 ± 0.00001412 5.27 4.794/6.134 5.482 ± 0.8484
ea16 1342 1342/1342 1342 ± 0.00000676 5.452 5.174/6.734 5.937 ± 0.944
ea17 1342 1342/1342 1342 ± 0.00005471 6.011 4.92/6.888 5.998 ± 0.9408
ea18 1342 1342/1342 1342 ± 0.00004569 4.709 4.51/5.355 4.975 ± 0.5846
ea19 1342 1342/1342 1342 ± 0.00001067 5.931 5.275/6.744 6.07 ± 0.8508
ea20 1342 1342/1342 1342 ± 0.00004334 5.681 5.213/6.922 5.952 ± 0.9041
ea21 1342 1342/1342 1342 ± 0.00001263 5.217 5.133/6.285 5.674 ± 0.7572
ea22 1342 1342/1342 1342 ± 0 5.866 5.153/6.242 5.785 ± 0.712
ea23 1342 1342/1342 1342 ± 0.00004217 6.275 5.697/6.746 6.15 ± 0.9318
ea25 1342 1342/1342 1342 ± 0.00004941 5.281 4.919/6.156 5.516 ± 0.8102
ea26 1342 1342/1342 1342 ± 0 5.671 5.5/6.895 6.142 ± 0.7974
ea27 1342 1342/1342 1342 ± 0.00004858 5.356 5.063/6.372 5.616 ± 0.7837
ea28 1342 1342/1342 1342 ± 0.00005221 5.988 5.213/6.474 5.946 ± 0.8626
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 ± 0.00002445 5.156 4.848/5.361 5.133 ± 0.3305
6 1342 1342/1342 1342 ± 0.00002549 5.04 4.802/5.268 5.025 ± 0.2801
7 1342 1342/1342 1342 ± 0.00002665 5.044 4.908/5.19 5.059 ± 0.2347
8 1342 1342/1342 1342 ± 0.00002665 5 4.853/5.142 5.013 ± 0.2234
9 1342 1342/1342 1342 ± 0.00004043 5.208 4.841/5.434 5.121 ± 0.3402
10 1342 1342/1342 1342 ± 0.0000235 5.944 5.833/6.101 5.913 ± 0.3073
11 1342 1342/1342 1342 ± 0.0000235 6.233 6.088/6.349 6.185 ± 0.3294
12 1342 1342/1342 1342 ± 0.0000235 6.412 6.236/6.58 6.371 ± 0.3564
13 1342 1342/1342 1342 ± 0.0000235 6.857 6.739/7.054 6.814 ± 0.3884
14 1342 1342/1342 1342 ± 0.0000235 7.066 6.857/7.302 7.02 ± 0.4211
15 1342 1342/1342 1342 ± 0.00004028 6.012 5.74/6.546 6.117 ± 0.6111
16 1342 1342/1342 1342 ± 0.00006095 4.583 4.432/4.749 4.595 ± 0.2546
17 1342 1342/1342 1342 ± 0.00006102 4.975 4.795/5.175 4.983 ± 0.3009
statwtmode
VLASS-SE
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2024-11-02 16:05:43.579
End
2024-11-02 17:01:08.209
Duration
0:55:24.630
Note, WebLog generation is not included in the time.

CASA logs for stage 8