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

Statwt Summary Plot

VLASS2.1.sb38487128.eb38624732.59090.114586261574_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 5.383 5.325/6.131 5.591 ± 0.6412
ea02 1342 1342/1342 1342 ± 0.00004215 5.806 5.402/6.679 5.917 ± 0.8331
ea04 1342 1342/1342 1342 ± 0.00002095 5.226 5.082/6.05 5.499 ± 0.6349
ea05 1342 1342/1342 1342 ± 0.000005636 5.584 5.114/6.503 5.761 ± 0.7079
ea06 1342 1342/1342 1342 ± 0 5.272 4.858/5.407 5.056 ± 0.5836
ea07 1342 1342/1342 1342 ± 0.0000416 5.949 5.461/6.331 5.923 ± 0.7792
ea08 1342 1342/1342 1342 ± 0.0000416 5.829 5.522/6.761 6.036 ± 0.8242
ea09 1342 1342/1342 1342 ± 0.00001015 5.461 5.208/6.557 5.679 ± 0.7525
ea10 1342 1342/1342 1342 ± 0.0000415 5.571 5.285/6.703 5.853 ± 0.8111
ea11 1342 1342/1342 1342 ± 0.00002923 5.54 5.1/6.438 5.697 ± 0.8199
ea12 1342 1342/1342 1342 ± 0 5.621 5.399/6.558 5.87 ± 0.8273
ea13 1342 1342/1342 1342 ± 0.000006054 5.877 5.761/6.465 6.021 ± 0.6908
ea14 1342 1342/1342 1342 ± 0.000001741 5.614 5.325/6.582 5.921 ± 0.7348
ea15 1342 1342/1342 1342 ± 0 5.268 4.899/6.107 5.521 ± 0.7295
ea16 1342 1342/1342 1342 ± 0.00001761 5.936 5.583/6.911 6.178 ± 0.8633
ea17 1342 1342/1342 1342 ± 0.0000415 5.775 5.609/7 6.004 ± 0.8251
ea18 1342 1342/1342 1342 ± 0.00002652 5.051 4.732/5.696 5.124 ± 0.5935
ea19 1342 1342/1342 1342 ± 0.000002132 5.832 5.536/6.77 6.072 ± 0.759
ea20 1342 1342/1342 1342 ± 0.000003197 5.886 5.604/6.892 6.079 ± 0.872
ea21 1342 1342/1342 1342 ± 0.00001163 5.568 5.343/6.33 5.761 ± 0.6923
ea22 1342 1342/1342 1342 ± 0.00003984 5.447 5.208/6.506 5.645 ± 0.7764
ea23 1342 1342/1342 1342 ± 0.00004053 5.712 5.471/6.642 6.026 ± 0.862
ea25 1342 1342/1342 1342 ± 0.00004147 5.286 5.074/6.272 5.564 ± 0.7609
ea26 1342 1342/1342 1342 ± 0.000004831 5.848 5.512/6.946 6.102 ± 0.8099
ea27 1342 1342/1342 1342 ± 0.0000415 5.476 5.136/6.493 5.662 ± 0.7408
ea28 1342 1342/1342 1342 ± 0.0000415 5.633 5.451/6.592 5.843 ± 0.7735
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 ± 0.00002395 5.579 5.336/5.825 5.573 ± 0.2498
3 1342 1342/1342 1342 ± 0.00002658 5.434 5.167/5.584 5.368 ± 0.2849
5 1342 1342/1342 1342 ± 0.0000242 5.45 5.22/5.612 5.434 ± 0.286
6 1342 1342/1342 1342 ± 0.00002395 5.431 5.283/5.566 5.401 ± 0.2765
7 1342 1342/1342 1342 ± 0.00002395 5.403 5.238/5.549 5.415 ± 0.2452
8 1342 1342/1342 1342 ± 0.00002395 5.444 5.162/5.521 5.373 ± 0.2487
9 1342 1342/1342 1342 ± 0.00002395 5.702 5.477/5.921 5.649 ± 0.2988
10 1342 1342/1342 1342 ± 0.0000235 6.107 5.903/6.273 6.036 ± 0.337
11 1342 1342/1342 1342 ± 0.0000235 6.36 6.187/6.497 6.29 ± 0.3508
12 1342 1342/1342 1342 ± 0.0000235 6.522 6.329/6.683 6.476 ± 0.3782
13 1342 1342/1342 1342 ± 0.0000235 6.93 6.708/7.127 6.868 ± 0.3975
14 1342 1342/1342 1342 ± 0.0000235 6.986 6.734/7.283 6.972 ± 0.4629
15 1342 1342/1342 1342 ± 0.0000235 6.824 6.548/7.102 6.753 ± 0.4919
16 1342 1342/1342 1342 ± 0.00006101 4.583 4.436/4.758 4.595 ± 0.2489
17 1342 1342/1342 1342 ± 0.00006046 4.593 4.429/4.75 4.599 ± 0.237
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38487128.eb38624732.59090.114586261574_split_split.ms
output_dir
 
overwrite_modelcol
False
Start time
2024-04-17 12:44:23.995
End
2024-04-17 13:40:46.170
Duration
0:56:22.175
Note, WebLog generation is not included in the time.

CASA logs for stage 7