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

Statwt Summary Plot

VLASS2.1.sb38539731.eb38565870.59072.39593302083_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 5.923 5.354/6.125 5.802 ± 0.5123
ea02 1342 1342/1342 1342 ± 0 6.03 5.509/6.638 6.134 ± 0.5855
ea05 1342 1342/1342 1342 ± 0 6.048 5.418/6.603 5.955 ± 0.6336
ea06 1342 1342/1342 1342 ± 0 4.884 4.757/5.254 4.989 ± 0.3075
ea07 1342 1342/1342 1342 ± 0 5.778 5.431/6.005 5.792 ± 0.4398
ea08 1342 1342/1342 1342 ± 0 6.115 5.687/6.871 6.316 ± 0.5955
ea09 1342 1342/1342 1342 ± 0 5.446 5.032/5.908 5.483 ± 0.4708
ea10 1342 1342/1342 1342 ± 0.00002756 5.877 5.355/6.549 5.955 ± 0.6262
ea11 1342 1342/1342 1342 ± 0 5.973 5.412/6.48 6.053 ± 0.5788
ea12 1342 1342/1342 1342 ± 0 6.029 5.422/6.499 6.068 ± 0.6213
ea13 1342 1342/1342 1342 ± 0 6.395 5.836/6.592 6.291 ± 0.4962
ea14 1342 1342/1342 1342 ± 0 6.168 5.463/6.612 6.083 ± 0.6646
ea15 1342 1342/1342 1342 ± 0 5.918 5.324/6.397 5.961 ± 0.6671
ea16 1342 1342/1342 1342 ± 0 5.358 5.225/5.568 5.309 ± 0.2629
ea17 1342 1342/1342 1342 ± 0 6.167 5.75/6.707 6.316 ± 0.5887
ea18 1342 1342/1342 1342 ± 0 5.311 4.938/5.806 5.363 ± 0.5171
ea19 1342 1342/1342 1342 ± 0 6.256 5.587/6.795 6.215 ± 0.6202
ea20 1342 1342/1342 1342 ± 0 6.453 5.865/6.852 6.4 ± 0.6073
ea21 1342 1342/1342 1342 ± 0 5.756 5.47/6.373 5.934 ± 0.5493
ea22 1342 1342/1342 1342 ± 0 6.117 5.358/6.549 5.978 ± 0.6102
ea23 1342 1342/1342 1342 ± 0 5.976 5.575/6.65 6.122 ± 0.6546
ea25 1342 1342/1342 1342 ± 0 5.43 5.368/5.556 5.421 ± 0.1632
ea26 1342 1342/1342 1342 ± 0 6.017 5.582/6.576 6.043 ± 0.5317
ea27 1342 1342/1342 1342 ± 0.00003238 5.789 5.477/6.442 5.907 ± 0.5438
ea28 1342 1342/1342 1342 ± 0 5.827 5.595/6.6 6.094 ± 0.6166
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 ± 0.00002397 5.483 5.293/5.684 5.451 ± 0.2878
4 1342 1342/1342 1342 ± 0.00002444 5.378 5.13/5.437 5.301 ± 0.3441
5 1342 1342/1342 1342 ± 0.00002397 5.492 5.347/5.588 5.467 ± 0.3057
6 1342 1342/1342 1342 ± 0.00002397 5.428 5.32/5.542 5.398 ± 0.2667
7 1342 1342/1342 1342 ± 0.00002397 5.419 5.35/5.594 5.433 ± 0.2476
8 1342 1342/1342 1342 ± 0.00002397 5.464 5.232/5.587 5.406 ± 0.2913
9 1342 1342/1342 1342 ± 0.00002397 5.71 5.598/5.938 5.682 ± 0.3464
10 1342 1342/1342 1342 ± 0.00002495 6.166 5.935/6.3 6.094 ± 0.3457
11 1342 1342/1342 1342 ± 0.00002495 6.444 6.268/6.537 6.316 ± 0.3802
12 1342 1342/1342 1342 ± 0.00002495 6.552 6.295/6.652 6.448 ± 0.3895
13 1342 1342/1342 1342 ± 0.00002495 6.989 6.727/7.17 6.868 ± 0.4174
14 1342 1342/1342 1342 ± 0.00002495 7.119 6.882/7.274 7.007 ± 0.4532
15 1342 1342/1342 1342 ± 0.00002495 6.674 6.466/6.812 6.54 ± 0.4204
16 1342 1342/1342 1342 ± 0.00003359 6.002 5.796/6.321 6.011 ± 0.3903
17 1342 1342/1342 1342 ± 0.00003494 6.036 5.825/6.328 6.011 ± 0.3863
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38539731.eb38565870.59072.39593302083_split_split.ms
statwtmode
VLASS-SE
Start time
2024-05-01 09:51:54.431
End
2024-05-01 10:54:41.218
Duration
1:02:46.787
Note, WebLog generation is not included in the time.

CASA logs for stage 7