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 5.233 5.088/6.091 5.533 ± 0.7412
ea02 1342 1342/1342 1342 ± 0.00003908 5.537 5.072/6.652 5.85 ± 0.9407
ea04 1342 1342/1342 1342 ± 0.00002674 5.414 4.903/5.923 5.411 ± 0.72
ea05 1342 1342/1342 1342 ± 0.0000102 5.493 4.9/6.461 5.653 ± 0.8124
ea06 1342 1342/1342 1342 ± 0.00002396 4.73 4.424/5.253 4.792 ± 0.5507
ea07 1342 1342/1342 1342 ± 0.0000423 5.687 5.309/6.425 5.86 ± 0.8816
ea08 1342 1342/1342 1342 ± 0.00004404 5.514 5.364/6.833 6.031 ± 0.9934
ea09 1342 1342/1342 1342 ± 0.000003887 5.642 4.993/6.479 5.717 ± 0.8046
ea10 1342 1342/1342 1342 ± 0.00004451 5.428 5.052/6.689 5.789 ± 0.9811
ea11 1342 1342/1342 1342 ± 0.00004398 5.362 4.991/6.478 5.673 ± 0.9481
ea12 1342 1342/1342 1342 ± 0.00002904 5.752 5.172/6.245 5.757 ± 0.8656
ea13 1342 1342/1342 1342 ± 0 5.434 5.17/6.28 5.839 ± 0.7583
ea14 1342 1342/1342 1342 ± 0.00004138 5.399 5.143/6.463 5.724 ± 0.8713
ea15 1342 1342/1342 1342 ± 0.000008578 4.92 4.853/6.135 5.459 ± 0.8632
ea16 1342 1342/1342 1342 ± 0.00002064 5.739 5.313/6.827 5.999 ± 1.047
ea17 1342 1342/1342 1342 ± 0.00004488 5.638 5.419/6.569 5.933 ± 0.974
ea18 1342 1342/1342 1342 ± 0.00004394 4.804 4.576/5.429 5.017 ± 0.6563
ea19 1342 1342/1342 1342 ± 0.00002381 5.757 5.332/6.628 5.972 ± 0.8867
ea20 1342 1342/1342 1342 ± 0.00004253 5.606 5.404/6.77 5.977 ± 0.9614
ea21 1342 1342/1342 1342 ± 0.00002962 5.441 5.178/6.357 5.689 ± 0.866
ea22 1342 1342/1342 1342 ± 0.000009391 5.123 4.928/6.436 5.611 ± 0.8107
ea23 1342 1342/1342 1342 ± 0.00004259 5.562 5.379/6.697 5.914 ± 0.9583
ea25 1342 1342/1342 1342 ± 0.00004333 5.413 5.157/6.161 5.582 ± 0.8212
ea26 1342 1342/1342 1342 ± 0 5.618 5.47/6.947 6.068 ± 0.8849
ea27 1342 1342/1342 1342 ± 0.00004333 5.387 5.111/6.51 5.678 ± 0.8465
ea28 1342 1342/1342 1342 ± 0.00004404 5.56 5.266/6.582 5.836 ± 0.912
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 5.364 5.01/5.557 5.305 ± 0.2999
5 1342 1342/1342 1342 ± 0.00003664 5.453 5.252/5.714 5.497 ± 0.3018
6 1342 1342/1342 1342 ± 0.0000235 5.158 4.906/5.281 5.086 ± 0.2654
7 1342 1342/1342 1342 ± 0.0000235 5.182 5.023/5.334 5.165 ± 0.2618
8 1342 1342/1342 1342 ± 0.0000235 5.109 5.038/5.339 5.133 ± 0.2843
9 1342 1342/1342 1342 ± 0.00002371 5.4 5.092/5.498 5.288 ± 0.3043
10 1342 1342/1342 1342 ± 0.00002348 6.023 5.824/6.147 5.963 ± 0.3295
11 1342 1342/1342 1342 ± 0.00002348 6.348 6.16/6.478 6.28 ± 0.3473
12 1342 1342/1342 1342 ± 0.00002348 6.519 6.354/6.693 6.483 ± 0.3797
13 1342 1342/1342 1342 ± 0.00002348 6.968 6.785/7.256 6.939 ± 0.4114
14 1342 1342/1342 1342 ± 0.00002348 7.209 6.967/7.437 7.135 ± 0.4531
15 1342 1342/1342 1342 ± 0.00002446 6.543 6.091/6.826 6.431 ± 0.5911
16 1342 1342/1342 1342 ± 0.00005958 4.386 4.223/4.542 4.385 ± 0.2246
17 1342 1342/1342 1342 ± 0.00006058 4.592 4.445/4.765 4.617 ± 0.2713
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
Start time
2024-11-26 08:47:36.160
End
2024-11-26 09:36:01.486
Duration
0:48:25.326
Note, WebLog generation is not included in the time.

CASA logs for stage 8