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

Statwt Summary Plot

VLASS3.2.sb45661340.eb45880388.60435.82083380787_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 6.182 5.607/6.607 6.152 ± 0.6124
ea02 1342 1342/1342 1342 ± 0 6.305 5.615/6.505 6.227 ± 0.6097
ea03 1342 1342/1342 1342 ± 0 6.087 5.404/6.737 6.16 ± 0.7271
ea04 1342 1342/1342 1342 ± 0 5.562 5.015/6.029 5.595 ± 0.5761
ea05 1342 1342/1342 1342 ± 0.00001748 5.838 5.331/6.605 5.949 ± 0.6311
ea06 1342 1342/1342 1342 ± 0 6.036 5.046/6.087 5.742 ± 0.6375
ea07 1342 1342/1342 1342 ± 0 6.043 5.272/6.352 5.912 ± 0.6703
ea08 1342 1342/1342 1342 ± 0 6.47 5.649/6.839 6.399 ± 0.6557
ea09 1342 1342/1342 1342 ± 0.00001461 5.72 5.216/6.474 5.83 ± 0.6344
ea10 1342 1342/1342 1342 ± 0 5.54 5.047/6.02 5.562 ± 0.549
ea11 1342 1342/1342 1342 ± 0.00001825 5.439 5.214/6.295 5.696 ± 0.6677
ea12 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea13 1342 1342/1342 1342 ± 0 5.678 5.455/6.177 5.832 ± 0.4772
ea14 1342 1342/1342 1342 ± 0 5.924 5.524/6.448 6.056 ± 0.5491
ea15 1342 1342/1342 1342 ± 0.0000192 6.142 5.61/6.61 6.224 ± 0.6451
ea16 1342 1342/1342 1342 ± 0 6.196 5.766/6.733 6.301 ± 0.695
ea17 1342 1342/1342 1342 ± 0 6.123 5.686/6.865 6.242 ± 0.6265
ea18 1342 1342/1342 1342 ± 0 6.268 5.717/6.815 6.218 ± 0.5904
ea19 1342 1342/1342 1342 ± 0 6.067 5.419/6.564 6.014 ± 0.5879
ea20 1342 1342/1342 1342 ± 0.000004189 5.885 5.614/6.686 6.094 ± 0.6004
ea21 1342 1342/1342 1342 ± 0 5.495 5.123/5.986 5.593 ± 0.5124
ea22 1342 1342/1342 1342 ± 0 6.266 5.618/6.757 6.192 ± 0.6398
ea23 1342 1342/1342 1342 ± 0 6.285 5.457/6.439 6.149 ± 0.6829
ea24 1342 1342/1342 1342 ± 0 5.939 5.332/6.527 5.877 ± 0.6066
ea25 1342 1342/1342 1342 ± 0 6.517 5.619/6.892 6.448 ± 0.7893
ea27 1342 1342/1342 1342 ± 0 6.044 5.326/6.54 5.961 ± 0.6556
ea28 1342 1342/1342 1342 ± 0 6.259 5.71/6.943 6.331 ± 0.6165
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 ± 0.00002348 5.443 5.291/5.632 5.456 ± 0.2517
4 1342 1342/1342 1342 ± 0.00002442 5.32 5.134/5.645 5.363 ± 0.3285
5 1342 1342/1342 1342 ± 0.00002348 5.403 5.145/5.623 5.396 ± 0.2878
6 1342 1342/1342 1342 ± 0.00002348 5.414 5.195/5.575 5.4 ± 0.2803
7 1342 1342/1342 1342 ± 0.00002348 5.452 5.312/5.619 5.436 ± 0.2354
8 1342 1342/1342 1342 ± 0.00002348 5.419 5.203/5.612 5.38 ± 0.2587
9 1342 1342/1342 1342 ± 0.00002348 5.706 5.554/5.906 5.703 ± 0.2715
10 1342 1342/1342 1342 ± 0.00002348 6.177 6.049/6.288 6.142 ± 0.2349
11 1342 1342/1342 1342 ± 0.00002348 6.427 6.204/6.524 6.372 ± 0.244
12 1342 1342/1342 1342 ± 0.00002348 6.556 6.293/6.743 6.516 ± 0.2827
13 1342 1342/1342 1342 ± 0.00002348 6.962 6.735/7.234 6.946 ± 0.3179
14 1342 1342/1342 1342 ± 0.00002348 7.166 6.864/7.372 7.138 ± 0.3348
15 1342 1342/1342 1342 ± 0.00002348 6.817 6.587/7.133 6.826 ± 0.3532
16 1342 1342/1342 1342 ± 0.00003011 6.166 5.847/6.455 6.162 ± 0.3669
17 1342 1342/1342 1342 ± 0.00002895 6.169 5.934/6.322 6.125 ± 0.3271
output_dir
 
vis
VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-25 02:18:12.021
End
2025-07-25 03:12:03.786
Duration
0:53:51.765
Note, WebLog generation is not included in the time.

CASA logs for stage 8