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

Statwt Summary Plot

VLASS2.1.sb38619750.eb38664746.59114.89728754629_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 5.49 5.178/6.046 5.636 ± 0.5367
ea02 1342 1342/1342 1342 ± 0 5.654 5.288/6.384 5.872 ± 0.6383
ea03 1342 1342/1342 1342 ± 0 5.268 4.669/5.915 5.331 ± 0.6627
ea04 1342 1342/1342 1342 ± 0 5.428 5.059/6.06 5.6 ± 0.5828
ea05 1342 1342/1342 1342 ± 0 5.742 5.24/6.216 5.794 ± 0.582
ea06 1342 1342/1342 1342 ± 0 5.163 4.839/5.599 5.233 ± 0.4498
ea07 1342 1342/1342 1342 ± 0 5.909 5.326/6.154 5.886 ± 0.5873
ea08 1342 1342/1342 1342 ± 0.000008222 5.899 5.482/6.68 6.109 ± 0.6841
ea09 1342 1342/1342 1342 ± 0 5.657 5.186/6.296 5.746 ± 0.6445
ea10 1342 1342/1342 1342 ± 0 5.86 5.177/6.52 5.852 ± 0.6932
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.698 5.221/6.378 5.884 ± 0.6764
ea13 1342 1342/1342 1342 ± 0 5.951 5.729/6.469 6.149 ± 0.5274
ea14 1342 1342/1342 1342 ± 0 5.754 5.216/6.354 5.836 ± 0.68
ea15 1342 1342/1342 1342 ± 0 5.676 5.224/6.312 5.847 ± 0.6734
ea16 1342 1342/1342 1342 ± 0 6.02 5.549/6.639 6.155 ± 0.705
ea17 1342 1342/1342 1342 ± 0.00002825 5.855 5.424/6.41 5.997 ± 0.6371
ea18 1342 1342/1342 1342 ± 0 4.965 4.635/5.434 5.048 ± 0.5379
ea19 1342 1342/1342 1342 ± 0 5.935 5.461/6.635 6.118 ± 0.6577
ea20 1342 1342/1342 1342 ± 0 5.933 5.561/6.521 6.091 ± 0.6258
ea21 1342 1342/1342 1342 ± 0 5.675 5.291/6.235 5.804 ± 0.57
ea22 1342 1342/1342 1342 ± 0 5.47 5.181/6.33 5.718 ± 0.6713
ea23 1342 1342/1342 1342 ± 0 5.935 5.338/6.377 5.989 ± 0.696
ea25 1342 1342/1342 1342 ± 0.000002033 5.583 5.21/6.129 5.724 ± 0.5914
ea26 1342 1342/1342 1342 ± 0 5.87 5.516/6.647 6.093 ± 0.6978
ea27 1342 1342/1342 1342 ± 0.000006555 5.507 5.201/6.323 5.702 ± 0.6084
ea28 1342 1342/1342 1342 ± 0.00004015 5.684 5.367/6.403 5.902 ± 0.6753
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 ± 0.00002351 5.295 5.165/5.555 5.309 ± 0.2729
3 1342 1342/1342 1342 ± 0.00002414 5.225 4.986/5.386 5.203 ± 0.2941
4 1342 1342/1342 1342 ± 0.00002381 5.159 5.057/5.341 5.161 ± 0.2993
5 1342 1342/1342 1342 ± 0.00002351 5.263 5.029/5.385 5.222 ± 0.307
6 1342 1342/1342 1342 ± 0.00002351 5.209 5.032/5.373 5.181 ± 0.3124
7 1342 1342/1342 1342 ± 0.00002351 5.259 5.174/5.436 5.268 ± 0.2432
8 1342 1342/1342 1342 ± 0.00002351 5.282 5.073/5.438 5.233 ± 0.2609
9 1342 1342/1342 1342 ± 0.00002351 5.561 5.439/5.774 5.533 ± 0.2914
10 1342 1342/1342 1342 ± 0.00002351 6.023 5.856/6.153 5.983 ± 0.2973
11 1342 1342/1342 1342 ± 0.00002351 6.291 6.089/6.369 6.21 ± 0.3003
12 1342 1342/1342 1342 ± 0.00002396 6.437 6.23/6.583 6.371 ± 0.3183
13 1342 1342/1342 1342 ± 0.00002351 6.816 6.725/7.056 6.798 ± 0.339
14 1342 1342/1342 1342 ± 0.00002351 7.042 6.813/7.232 6.946 ± 0.3703
15 1342 1342/1342 1342 ± 0.00002351 6.72 6.403/6.865 6.622 ± 0.3695
16 1342 1342/1342 1342 ± 0.00003739 6.013 5.7/6.273 5.984 ± 0.3362
17 1342 1342/1342 1342 ± 0.000034 5.998 5.753/6.248 5.987 ± 0.3387
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38619750.eb38664746.59114.89728754629_split_split.ms
Start time
2025-01-04 03:50:55.954
End
2025-01-04 04:59:15.028
Duration
1:08:19.073
Note, WebLog generation is not included in the time.

CASA logs for stage 8