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

Statwt Summary Plot

VLASS2.1.sb38458451.eb38565931.59072.733167094906_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 5.006 4.885/5.655 5.143 ± 0.6545
ea02 1342 1342/1342 1342 ± 0.00004104 5.424 5.04/6.142 5.427 ± 0.815
ea05 1342 1342/1342 1342 ± 0.00001007 5.274 4.915/6.29 5.422 ± 0.8325
ea06 1342 1342/1342 1342 ± 0.00003636 4.899 4.726/5.419 4.956 ± 0.6599
ea07 1342 1342/1342 1342 ± 0.00004065 5.372 5.016/5.591 5.255 ± 0.6013
ea08 1342 1342/1342 1342 ± 0.00004315 5.514 5.27/6.426 5.641 ± 0.9005
ea09 1342 1342/1342 1342 ± 0.00000901 4.917 4.734/5.687 4.956 ± 0.7307
ea10 1342 1342/1342 1342 ± 0.00004152 5.34 4.884/6.024 5.357 ± 0.7534
ea11 1342 1342/1342 1342 ± 0.00004003 5.391 4.977/6.176 5.425 ± 0.8051
ea12 1342 1342/1342 1342 ± 0.00003978 5.35 5.057/6.229 5.453 ± 0.885
ea13 1342 1342/1342 1342 ± 0.00001614 5.604 5.466/6.144 5.575 ± 0.8171
ea14 1342 1342/1342 1342 ± 0.00001007 5.325 5.02/6.294 5.517 ± 0.7861
ea15 1342 1342/1342 1342 ± 0.00001102 5.112 4.947/5.995 5.369 ± 0.836
ea16 1342 1342/1342 1342 ± 0 5.023 4.979/5.176 5.035 ± 0.2245
ea17 1342 1342/1342 1342 ± 0.00004511 5.568 5.103/6.268 5.583 ± 0.8398
ea18 1342 1342/1342 1342 ± 0.00004016 4.771 4.416/5.501 4.801 ± 0.6307
ea19 1342 1342/1342 1342 ± 0.000003193 5.419 5.177/6.389 5.568 ± 0.8377
ea20 1342 1342/1342 1342 ± 0.00004047 5.684 5.397/6.685 5.772 ± 0.994
ea21 1342 1342/1342 1342 ± 0.00001637 5.129 5.086/6.041 5.358 ± 0.7549
ea22 1342 1342/1342 1342 ± 0.00003905 5.26 4.955/6.038 5.327 ± 0.8276
ea23 1342 1342/1342 1342 ± 0.00004001 5.562 5.09/6.216 5.554 ± 0.7644
ea25 1342 1342/1342 1342 ± 0 5.078 4.906/5.129 5.061 ± 0.1793
ea26 1342 1342/1342 1342 ± 0.00002132 5.372 5.223/6.084 5.378 ± 0.8345
ea27 1342 1342/1342 1342 ± 0.00004467 5.247 4.865/6.057 5.293 ± 0.7231
ea28 1342 1342/1342 1342 ± 0.00004478 5.31 5.051/6.116 5.394 ± 0.7908
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 ± 0.00002396 5.175 4.979/5.34 5.165 ± 0.2506
4 1342 1342/1342 1342 ± 0.00002464 4.722 4.558/4.866 4.693 ± 0.242
5 1342 1342/1342 1342 ± 0.00002396 5.024 4.888/5.169 5.028 ± 0.2844
6 1342 1342/1342 1342 ± 0.00002396 5.047 4.988/5.184 5.051 ± 0.2344
7 1342 1342/1342 1342 ± 0.00002396 5.064 4.945/5.188 5.074 ± 0.2086
8 1342 1342/1342 1342 ± 0.00002396 5.109 4.884/5.252 5.083 ± 0.2434
9 1342 1342/1342 1342 ± 0.00002396 5.368 5.267/5.568 5.356 ± 0.2731
10 1342 1342/1342 1342 ± 0.00002494 5.761 5.536/5.916 5.74 ± 0.2979
11 1342 1342/1342 1342 ± 0.00002494 6.117 5.956/6.175 6.023 ± 0.3088
12 1342 1342/1342 1342 ± 0.00002494 6.267 5.998/6.324 6.184 ± 0.3126
13 1342 1342/1342 1342 ± 0.00002508 6.366 6.002/6.62 6.323 ± 0.3603
14 1342 1342/1342 1342 ± 0.0000364 5.912 5.605/6.38 5.996 ± 0.4966
15 1342 1342/1342 1342 ± 0.00002494 6.412 6.178/6.596 6.319 ± 0.402
16 1342 1342/1342 1342 ± 0.0000589 3.899 3.681/4.09 3.942 ± 0.4015
17 1342 1342/1342 1342 ± 0.00005994 3.86 3.648/4.104 3.923 ± 0.3961
statwtmode
VLASS-SE
vis
VLASS2.1.sb38458451.eb38565931.59072.733167094906_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-02-20 08:46:11.124
End
2025-02-20 09:12:28.031
Duration
0:26:16.906
Note, WebLog generation is not included in the time.

CASA logs for stage 8