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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.845 5.655/6.429 6.036 ± 0.5454
ea02 1342 1342/1342 1342 ± 0 5.98 5.528/6.804 6.154 ± 0.6957
ea04 1342 1342/1342 1342 ± 0.0000042 5.417 4.917/5.997 5.47 ± 0.6463
ea05 1342 1342/1342 1342 ± 0.000008501 5.788 5.008/6.348 5.639 ± 0.6682
ea06 1342 1342/1342 1342 ± 0 4.788 4.398/5.165 4.793 ± 0.431
ea07 1342 1342/1342 1342 ± 0 6.245 5.655/6.601 6.257 ± 0.6433
ea08 1342 1342/1342 1342 ± 0.000002171 6.094 5.657/7.012 6.342 ± 0.7498
ea09 1342 1342/1342 1342 ± 0 5.518 5.115/6.472 5.721 ± 0.6799
ea10 1342 1342/1342 1342 ± 0 6.159 5.49/6.952 6.23 ± 0.7712
ea11 1342 1342/1342 1342 ± 0 6.1 5.417/6.633 6.112 ± 0.7049
ea12 1342 1342/1342 1342 ± 0 5.902 5.308/6.427 5.932 ± 0.6625
ea13 1342 1342/1342 1342 ± 0 5.845 5.436/6.262 5.921 ± 0.6053
ea14 1342 1342/1342 1342 ± 0 6.085 5.278/6.485 5.99 ± 0.6882
ea15 1342 1342/1342 1342 ± 0 5.566 4.773/6.06 5.512 ± 0.7589
ea16 1342 1342/1342 1342 ± 0 6.157 5.584/6.779 6.31 ± 0.7665
ea17 1342 1342/1342 1342 ± 0.00001781 6.355 5.815/7.15 6.455 ± 0.738
ea18 1342 1342/1342 1342 ± 0 5.253 4.8/5.831 5.331 ± 0.5415
ea19 1342 1342/1342 1342 ± 0 6.108 5.34/6.707 6.104 ± 0.7588
ea20 1342 1342/1342 1342 ± 0 6.362 5.655/6.879 6.272 ± 0.6966
ea21 1342 1342/1342 1342 ± 0 5.783 5.2/6.349 5.791 ± 0.6513
ea22 1342 1342/1342 1342 ± 0 5.398 5.203/6.348 5.73 ± 0.647
ea23 1342 1342/1342 1342 ± 0 6.286 5.643/6.846 6.329 ± 0.7314
ea25 1342 1342/1342 1342 ± 0 5.898 5.477/6.499 6.007 ± 0.6423
ea26 1342 1342/1342 1342 ± 0 5.788 5.397/6.834 6.056 ± 0.7529
ea27 1342 1342/1342 1342 ± 0.00001826 5.859 5.67/6.802 6.113 ± 0.6574
ea28 1342 1342/1342 1342 ± 0.00002573 5.871 5.663/6.922 6.225 ± 0.7311
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 5.373 5.136/5.627 5.375 ± 0.3695
3 1342 1342/1342 1342 ± 0.00002492 5.245 5.126/5.484 5.245 ± 0.3128
4 1342 1342/1342 1342 ± 0.00002745 5.328 4.965/5.574 5.233 ± 0.4181
5 1342 1342/1342 1342 ± 0.0000235 5.394 5.155/5.716 5.365 ± 0.4148
6 1342 1342/1342 1342 ± 0.0000235 5.346 5.117/5.615 5.301 ± 0.3801
7 1342 1342/1342 1342 ± 0.0000235 5.463 5.198/5.642 5.343 ± 0.3459
8 1342 1342/1342 1342 ± 0.0000235 5.418 5.115/5.625 5.319 ± 0.364
9 1342 1342/1342 1342 ± 0.0000235 5.732 5.394/5.993 5.629 ± 0.4352
10 1342 1342/1342 1342 ± 0.0000235 6.201 5.905/6.425 6.115 ± 0.4104
11 1342 1342/1342 1342 ± 0.0000235 6.455 6.161/6.645 6.352 ± 0.419
12 1342 1342/1342 1342 ± 0.0000235 6.62 6.355/6.847 6.536 ± 0.4371
13 1342 1342/1342 1342 ± 0.0000235 7.162 6.772/7.273 7.019 ± 0.4538
14 1342 1342/1342 1342 ± 0.0000235 7.33 6.913/7.596 7.215 ± 0.5219
15 1342 1342/1342 1342 ± 0.0000235 6.86 6.52/7.054 6.744 ± 0.4795
16 1342 1342/1342 1342 ± 0.0000312 5.912 5.704/6.281 5.973 ± 0.4275
17 1342 1342/1342 1342 ± 0.00002925 6.002 5.689/6.248 5.972 ± 0.3971
output_dir
 
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-01-07 05:57:38.164
End
2025-01-07 07:09:17.869
Duration
1:11:39.705
Note, WebLog generation is not included in the time.

CASA logs for stage 8