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

Statwt Summary Plot

VLASS2.1.sb38563510.eb38566235.59073.10379631944_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 5.136 5.001/5.972 5.401 ± 0.8295
ea02 1342 1342/1342 1342 ± 0.00004396 5.643 5.132/6.444 5.711 ± 0.9414
ea05 1342 1342/1342 1342 ± 0.00003064 5.203 4.86/6.311 5.508 ± 0.8391
ea06 1342 1342/1342 1342 ± 0.00003053 4.707 4.365/5.261 4.788 ± 0.6142
ea07 1342 1342/1342 1342 ± 0.00004306 5.558 5.131/5.876 5.463 ± 0.8207
ea08 1342 1342/1342 1342 ± 0.00004407 6.515 5.246/6.926 5.942 ± 1.121
ea09 1342 1342/1342 1342 ± 0.00002257 5.162 4.752/5.778 5.144 ± 0.6582
ea10 1342 1342/1342 1342 ± 0.00004394 5.417 5.007/6.42 5.556 ± 0.9457
ea11 1342 1342/1342 1342 ± 0.00004272 5.394 5.048/6.339 5.598 ± 0.9944
ea12 1342 1342/1342 1342 ± 0.00002773 5.292 4.937/6.24 5.497 ± 0.9185
ea13 1342 1342/1342 1342 ± 0.0000124 5.518 5.371/6.107 5.711 ± 0.772
ea14 1342 1342/1342 1342 ± 0.00005195 6.38 5.626/6.959 6.035 ± 1.049
ea15 1342 1342/1342 1342 ± 0.00002467 4.904 4.782/5.984 5.354 ± 0.8733
ea16 1342 1342/1342 1342 ± 0 4.934 4.846/4.944 4.863 ± 0.2164
ea17 1342 1342/1342 1342 ± 0.00004168 5.489 5.289/6.862 5.78 ± 1.057
ea18 1342 1342/1342 1342 ± 0.00004212 4.849 4.635/5.625 5.005 ± 0.7077
ea19 1342 1342/1342 1342 ± 0.0000225 5.511 5.255/6.55 5.774 ± 0.8662
ea20 1342 1342/1342 1342 ± 0.0000368 5.647 5.507/6.817 5.896 ± 1.004
ea21 1342 1342/1342 1342 ± 0.00004054 5.405 5.193/6.22 5.583 ± 0.8532
ea22 1342 1342/1342 1342 ± 0.00004027 5.238 4.966/6.364 5.578 ± 0.8767
ea23 1342 1342/1342 1342 ± 0.00004358 5.485 5.205/6.394 5.691 ± 0.9887
ea25 1342 1342/1342 1342 ± 0 5.118 5.052/5.169 5.071 ± 0.127
ea26 1342 1342/1342 1342 ± 0.00002673 5.456 5.262/6.319 5.644 ± 0.8044
ea27 1342 1342/1342 1342 ± 0.00004304 5.33 5.157/6.318 5.518 ± 0.8945
ea28 1342 1342/1342 1342 ± 0.00004361 5.536 5.221/6.427 5.704 ± 0.9419
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 ± 0.00002442 5.204 5.079/5.363 5.177 ± 0.2978
6 1342 1342/1342 1342 ± 0.00002442 5.12 4.953/5.235 5.083 ± 0.2604
7 1342 1342/1342 1342 ± 0.00002442 5.066 4.941/5.253 5.065 ± 0.245
8 1342 1342/1342 1342 ± 0.00002442 5.125 4.859/5.251 5.055 ± 0.2759
9 1342 1342/1342 1342 ± 0.00002546 5.336 5.05/5.43 5.25 ± 0.2813
10 1342 1342/1342 1342 ± 0.00002493 5.886 5.657/5.979 5.796 ± 0.331
11 1342 1342/1342 1342 ± 0.00002493 6.118 5.94/6.275 6.059 ± 0.3478
12 1342 1342/1342 1342 ± 0.00002493 6.319 5.984/6.436 6.247 ± 0.3553
13 1342 1342/1342 1342 ± 0.00002493 6.718 6.441/6.936 6.652 ± 0.3642
14 1342 1342/1342 1342 ± 0.00002493 6.948 6.746/7.14 6.852 ± 0.4188
15 1342 1342/1342 1342 ± 0.0000252 6.55 6.388/6.782 6.505 ± 0.4529
16 1342 1342/1342 1342 ± 0.00005197 4.048 3.841/4.221 4.027 ± 0.2475
17 1342 1342/1342 1342 ± 0.00005804 4.121 3.937/4.315 4.13 ± 0.2483
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38563510.eb38566235.59073.10379631944_split_split.ms
datacolumn
residual_data
Start time
2025-04-12 16:57:53.848
End
2025-04-12 17:48:51.203
Duration
0:50:57.355
Note, WebLog generation is not included in the time.

CASA logs for stage 8