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

Statwt Summary Plot

VLASS2.1.sb38490392.eb38577577.59079.6066271412_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 5.577 5.301/6.229 5.776 ± 0.6157
ea02 1342 1342/1342 1342 ± 0.0000339 5.924 5.52/6.68 6.052 ± 0.7425
ea04 1342 1342/1342 1342 ± 0 5.043 4.79/5.559 5.188 ± 0.5009
ea05 1342 1342/1342 1342 ± 0 5.143 4.967/5.712 5.372 ± 0.55
ea06 1342 1342/1342 1342 ± 0 4.765 4.606/5.204 4.918 ± 0.4374
ea07 1342 1342/1342 1342 ± 0.00003875 5.702 5.303/5.998 5.733 ± 0.6535
ea08 1342 1342/1342 1342 ± 0.00004272 6.116 5.642/6.868 6.215 ± 0.8268
ea09 1342 1342/1342 1342 ± 0 5.456 5.138/6.134 5.664 ± 0.596
ea10 1342 1342/1342 1342 ± 0.00003995 5.744 5.304/6.421 5.826 ± 0.6068
ea11 1342 1342/1342 1342 ± 0.000004807 5.664 5.244/6.333 5.725 ± 0.731
ea12 1342 1342/1342 1342 ± 0 5.319 5.065/5.924 5.578 ± 0.6436
ea13 1342 1342/1342 1342 ± 0 5.647 5.455/5.997 5.773 ± 0.4907
ea14 1342 1342/1342 1342 ± 0 5.484 5.166/6.358 5.761 ± 0.6658
ea15 1342 1342/1342 1342 ± 0 5.145 4.842/5.841 5.38 ± 0.6372
ea16 1342 1342/1342 1342 ± 0 5.602 5.309/6.2 5.77 ± 0.6158
ea17 1342 1342/1342 1342 ± 0.00003253 6.027 5.728/6.965 6.198 ± 0.7465
ea18 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea19 1342 1342/1342 1342 ± 0 5.451 5.254/6.128 5.73 ± 0.5854
ea20 1342 1342/1342 1342 ± 0 5.576 5.432/6.346 5.841 ± 0.6758
ea21 1342 1342/1342 1342 ± 0 5.18 5.023/5.835 5.434 ± 0.5674
ea22 1342 1342/1342 1342 ± 0.000009045 5.537 5.263/6.398 5.818 ± 0.649
ea23 1342 1342/1342 1342 ± 0.00002536 5.595 5.213/6.319 5.749 ± 0.7328
ea25 1342 1342/1342 1342 ± 0.00001084 5.66 5.264/6.309 5.775 ± 0.7208
ea26 1342 1342/1342 1342 ± 0 5.555 5.425/6.134 5.803 ± 0.5355
ea27 1342 1342/1342 1342 ± 0.00003999 5.599 5.201/6.502 5.837 ± 0.6645
ea28 1342 1342/1342 1342 ± 0.00003694 6.005 5.596/6.694 6.109 ± 0.7303
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 ± 0.00002426 5.554 5.32/5.656 5.465 ± 0.3223
5 1342 1342/1342 1342 ± 0.00002506 5.244 5.078/5.437 5.242 ± 0.283
6 1342 1342/1342 1342 ± 0.00002426 5.303 5.154/5.539 5.307 ± 0.3263
7 1342 1342/1342 1342 ± 0.00002426 5.3 5.133/5.491 5.257 ± 0.2857
8 1342 1342/1342 1342 ± 0.00002426 5.217 5.075/5.436 5.201 ± 0.3044
9 1342 1342/1342 1342 ± 0.00002426 5.548 5.208/5.687 5.465 ± 0.3516
10 1342 1342/1342 1342 ± 0.00002426 5.926 5.648/6.084 5.879 ± 0.3374
11 1342 1342/1342 1342 ± 0.00002426 6.124 5.945/6.342 6.12 ± 0.3433
12 1342 1342/1342 1342 ± 0.00002426 6.325 5.999/6.456 6.257 ± 0.3521
13 1342 1342/1342 1342 ± 0.00002426 6.752 6.558/6.931 6.707 ± 0.3194
14 1342 1342/1342 1342 ± 0.00002426 6.906 6.751/7.017 6.859 ± 0.3715
15 1342 1342/1342 1342 ± 0.00002431 6.209 5.901/6.579 6.207 ± 0.5309
16 1342 1342/1342 1342 ± 0.00005447 4.852 4.696/5.025 4.844 ± 0.24
17 1342 1342/1342 1342 ± 0.00005403 5.051 4.835/5.172 5.009 ± 0.2514
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.1.sb38490392.eb38577577.59079.6066271412_split_split.ms
output_dir
 
Start time
2025-01-03 01:38:17.568
End
2025-01-03 02:07:38.338
Duration
0:29:20.770
Note, WebLog generation is not included in the time.

CASA logs for stage 8