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 5.373 5.209/6.243 5.595 ± 0.7546
ea02 1342 1342/1342 1342 ± 0.00004533 5.705 5.175/6.682 5.882 ± 0.8845
ea04 1342 1342/1342 1342 ± 0.00002036 5.523 4.943/5.962 5.467 ± 0.754
ea05 1342 1342/1342 1342 ± 0.00001166 5.429 4.924/6.268 5.616 ± 0.7653
ea06 1342 1342/1342 1342 ± 0.00001927 4.846 4.521/5.298 4.842 ± 0.5386
ea07 1342 1342/1342 1342 ± 0.00004091 5.86 5.311/6.435 5.881 ± 0.9049
ea08 1342 1342/1342 1342 ± 0.00004406 5.736 5.419/6.882 6.093 ± 1.008
ea09 1342 1342/1342 1342 ± 0.00001956 5.704 4.985/6.485 5.731 ± 0.7734
ea10 1342 1342/1342 1342 ± 0.00004164 5.579 5.245/6.791 5.851 ± 0.9522
ea11 1342 1342/1342 1342 ± 0.00004369 5.613 5.121/6.513 5.767 ± 0.9442
ea12 1342 1342/1342 1342 ± 0.00002633 5.843 5.209/6.518 5.82 ± 0.9105
ea13 1342 1342/1342 1342 ± 0.000009897 5.636 5.426/6.306 5.904 ± 0.6886
ea14 1342 1342/1342 1342 ± 0.0000409 5.518 5.167/6.478 5.753 ± 0.8941
ea15 1342 1342/1342 1342 ± 0.000006788 5.198 4.95/6.197 5.553 ± 0.8669
ea16 1342 1342/1342 1342 ± 0.00002309 5.832 5.384/6.853 6.009 ± 1.004
ea17 1342 1342/1342 1342 ± 0.00004409 5.732 5.552/6.887 6.008 ± 0.9805
ea18 1342 1342/1342 1342 ± 0.00004394 4.977 4.654/5.545 5.08 ± 0.6618
ea19 1342 1342/1342 1342 ± 0.00002735 5.699 5.379/6.664 5.959 ± 0.8611
ea20 1342 1342/1342 1342 ± 0.00004092 5.821 5.58/6.785 6.041 ± 0.967
ea21 1342 1342/1342 1342 ± 0.0000342 5.449 5.219/6.383 5.68 ± 0.8533
ea22 1342 1342/1342 1342 ± 0.0000258 5.157 4.973/6.347 5.618 ± 0.7737
ea23 1342 1342/1342 1342 ± 0.00004169 5.744 5.342/6.69 5.921 ± 0.9887
ea25 1342 1342/1342 1342 ± 0.00004268 5.482 5.02/6.187 5.594 ± 0.8274
ea26 1342 1342/1342 1342 ± 0.00001995 5.694 5.558/6.856 6.081 ± 0.8333
ea27 1342 1342/1342 1342 ± 0.00004275 5.484 5.087/6.556 5.681 ± 0.8942
ea28 1342 1342/1342 1342 ± 0.00004315 5.741 5.261/6.639 5.859 ± 0.9403
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 5.447 5.235/5.688 5.435 ± 0.2826
5 1342 1342/1342 1342 ± 0.00003294 5.33 5.113/5.527 5.31 ± 0.3002
6 1342 1342/1342 1342 ± 0.00002349 5.212 4.976/5.315 5.142 ± 0.2622
7 1342 1342/1342 1342 ± 0.00002349 5.244 5.123/5.409 5.223 ± 0.2643
8 1342 1342/1342 1342 ± 0.00002349 5.229 5.083/5.405 5.199 ± 0.2901
9 1342 1342/1342 1342 ± 0.00002349 5.506 5.251/5.693 5.441 ± 0.3068
10 1342 1342/1342 1342 ± 0.00002349 6.079 5.826/6.176 5.994 ± 0.3293
11 1342 1342/1342 1342 ± 0.00002349 6.36 6.188/6.515 6.306 ± 0.345
12 1342 1342/1342 1342 ± 0.00002349 6.579 6.38/6.707 6.517 ± 0.3825
13 1342 1342/1342 1342 ± 0.00002349 6.928 6.798/7.286 6.965 ± 0.4114
14 1342 1342/1342 1342 ± 0.00002349 7.244 6.984/7.493 7.17 ± 0.4596
15 1342 1342/1342 1342 ± 0.00002364 6.522 6.254/6.884 6.495 ± 0.518
16 1342 1342/1342 1342 ± 0.00005863 4.352 4.203/4.613 4.403 ± 0.2693
17 1342 1342/1342 1342 ± 0.00005999 4.505 4.343/4.712 4.543 ± 0.2988
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-12-12 13:30:54.969
End
2024-12-12 14:29:59.849
Duration
0:59:04.880
Note, WebLog generation is not included in the time.

CASA logs for stage 8