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

Statwt Summary Plot

VLASS2.1.sb38513454.eb38563508.59068.92709877314_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 5.265 5.078/5.846 5.516 ± 0.5506
ea02 1342 1342/1342 1342 ± 0.00001289 5.526 5.184/6.271 5.768 ± 0.6666
ea04 1342 1342/1342 1342 ± 0.000006956 5.311 4.942/5.876 5.447 ± 0.574
ea05 1342 1342/1342 1342 ± 0 5.625 5.128/6.169 5.719 ± 0.6269
ea06 1342 1342/1342 1342 ± 0 4.853 4.576/5.268 4.949 ± 0.438
ea07 1342 1342/1342 1342 ± 0 5.639 5.235/5.787 5.66 ± 0.4709
ea08 1342 1342/1342 1342 ± 0.00002545 5.667 5.414/6.546 6.019 ± 0.6811
ea09 1342 1342/1342 1342 ± 0 4.67 4.505/5.437 4.935 ± 0.5048
ea10 1342 1342/1342 1342 ± 0 5.613 5.046/6.286 5.671 ± 0.6283
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.754 5.298/6.367 5.925 ± 0.6507
ea13 1342 1342/1342 1342 ± 0 5.622 5.505/6.184 5.884 ± 0.5226
ea14 1342 1342/1342 1342 ± 0 6.434 6.281/6.814 6.505 ± 0.3578
ea15 1342 1342/1342 1342 ± 0 5.591 5.154/6.196 5.771 ± 0.6583
ea16 1342 1342/1342 1342 ± 0 4.659 4.08/5.002 4.633 ± 0.5834
ea17 1342 1342/1342 1342 ± 0.00003035 5.887 5.681/6.577 6.104 ± 0.647
ea18 1342 1342/1342 1342 ± 0 5.066 4.764/5.495 5.176 ± 0.5112
ea19 1342 1342/1342 1342 ± 0 5.776 5.287/6.423 5.94 ± 0.6542
ea20 1342 1342/1342 1342 ± 0 5.952 5.673/6.751 6.206 ± 0.665
ea21 1342 1342/1342 1342 ± 0 5.543 5.186/6.155 5.696 ± 0.6236
ea22 1342 1342/1342 1342 ± 0.000003893 5.216 5.023/6.218 5.583 ± 0.6796
ea23 1342 1342/1342 1342 ± 0 5.772 5.271/6.282 5.882 ± 0.709
ea25 1342 1342/1342 1342 ± 0 5.199 5.173/5.338 5.241 ± 0.1915
ea26 1342 1342/1342 1342 ± 0 5.412 5.275/6.324 5.761 ± 0.6231
ea27 1342 1342/1342 1342 ± 0.000004271 5.407 5.162/6.321 5.671 ± 0.6197
ea28 1342 1342/1342 1342 ± 0.00005274 6.428 5.964/6.925 6.376 ± 0.5501
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 ± 0.00002496 5.215 5.041/5.414 5.175 ± 0.356
3 1342 1342/1342 1342 ± 0.0000255 5.313 5.085/5.499 5.265 ± 0.3161
4 1342 1342/1342 1342 ± 0.00002496 5.063 4.894/5.247 5.043 ± 0.3495
5 1342 1342/1342 1342 ± 0.00002504 5.176 4.976/5.273 5.104 ± 0.3942
6 1342 1342/1342 1342 ± 0.00002496 5.101 4.817/5.172 4.982 ± 0.381
7 1342 1342/1342 1342 ± 0.00002496 5.178 4.975/5.301 5.102 ± 0.3717
8 1342 1342/1342 1342 ± 0.00002496 5.174 4.883/5.303 5.077 ± 0.3795
9 1342 1342/1342 1342 ± 0.00002496 5.471 5.147/5.609 5.364 ± 0.3976
10 1342 1342/1342 1342 ± 0.00002446 5.938 5.7/6.052 5.815 ± 0.3917
11 1342 1342/1342 1342 ± 0.00002446 6.196 5.752/6.319 6.047 ± 0.4569
12 1342 1342/1342 1342 ± 0.00002446 6.39 5.915/6.48 6.232 ± 0.4542
13 1342 1342/1342 1342 ± 0.00002446 6.732 6.366/7.008 6.636 ± 0.4735
14 1342 1342/1342 1342 ± 0.00002446 6.841 6.554/7.138 6.787 ± 0.4888
15 1342 1342/1342 1342 ± 0.00002446 6.646 6.24/6.768 6.433 ± 0.4963
16 1342 1342/1342 1342 ± 0.000039 5.706 5.365/6.113 5.693 ± 0.4734
17 1342 1342/1342 1342 ± 0.0000417 5.646 5.325/6.028 5.607 ± 0.4362
vis
VLASS2.1.sb38513454.eb38563508.59068.92709877314_split_split.ms
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-02-18 22:39:40.197
End
2025-02-18 22:59:58.734
Duration
0:20:18.537
Note, WebLog generation is not included in the time.

CASA logs for stage 8