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

Statwt Summary Plot

VLASS2.1.sb38597432.eb38627615.59094.07999482639_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 5.618 5.227/6.098 5.709 ± 0.5514
ea02 1342 1342/1342 1342 ± 0 5.898 5.269/6.37 5.912 ± 0.6425
ea04 1342 1342/1342 1342 ± 0 5.352 4.972/6.053 5.55 ± 0.6231
ea05 1342 1342/1342 1342 ± 0 5.636 5.16/6.163 5.715 ± 0.602
ea06 1342 1342/1342 1342 ± 0 4.93 4.61/5.351 4.985 ± 0.4405
ea07 1342 1342/1342 1342 ± 0 5.868 5.362/6.203 5.912 ± 0.5827
ea08 1342 1342/1342 1342 ± 0 5.922 5.411/6.533 6.028 ± 0.669
ea09 1342 1342/1342 1342 ± 0 5.579 5.094/6.164 5.676 ± 0.6622
ea11 1342 1342/1342 1342 ± 0 5.76 5.212/6.302 5.778 ± 0.6544
ea12 1342 1342/1342 1342 ± 0 5.67 5.254/6.349 5.888 ± 0.6756
ea13 1342 1342/1342 1342 ± 0 6.023 5.631/6.311 6.078 ± 0.5064
ea14 1342 1342/1342 1342 ± 0 5.722 5.169/6.263 5.74 ± 0.6375
ea15 1342 1342/1342 1342 ± 0 5.445 4.937/6.071 5.559 ± 0.7215
ea16 1342 1342/1342 1342 ± 0 6.044 5.532/6.476 6.095 ± 0.7093
ea17 1342 1342/1342 1342 ± 0.000007519 5.999 5.454/6.779 6.074 ± 0.6307
ea18 1342 1342/1342 1342 ± 0 5.003 4.678/5.47 5.097 ± 0.5303
ea19 1342 1342/1342 1342 ± 0 6.085 5.407/6.623 6.023 ± 0.6608
ea20 1342 1342/1342 1342 ± 0 6.052 5.564/6.676 6.151 ± 0.6706
ea21 1342 1342/1342 1342 ± 0 5.574 5.268/6.217 5.739 ± 0.5885
ea22 1342 1342/1342 1342 ± 0 5.642 5.238/6.259 5.743 ± 0.6455
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.476 5.137/5.963 5.593 ± 0.5775
ea26 1342 1342/1342 1342 ± 0 6.021 5.503/6.584 6.066 ± 0.7075
ea27 1342 1342/1342 1342 ± 0.00003748 5.621 5.231/6.327 5.735 ± 0.6245
ea28 1342 1342/1342 1342 ± 0 5.658 5.31/6.346 5.821 ± 0.6389
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 ± 0.00002443 5.282 5.125/5.474 5.263 ± 0.2606
3 1342 1342/1342 1342 ± 0.00002511 5.045 4.876/5.245 5.053 ± 0.2758
4 1342 1342/1342 1342 ± 0.00002494 5.256 4.998/5.337 5.134 ± 0.3494
5 1342 1342/1342 1342 ± 0.00002443 5.241 5.009/5.398 5.206 ± 0.3261
6 1342 1342/1342 1342 ± 0.00002443 5.251 4.999/5.391 5.194 ± 0.2985
7 1342 1342/1342 1342 ± 0.00002443 5.242 5.104/5.414 5.244 ± 0.2516
8 1342 1342/1342 1342 ± 0.00002443 5.291 5.049/5.405 5.224 ± 0.276
9 1342 1342/1342 1342 ± 0.00002443 5.55 5.363/5.787 5.51 ± 0.3111
10 1342 1342/1342 1342 ± 0.00002443 5.99 5.852/6.161 5.95 ± 0.2965
11 1342 1342/1342 1342 ± 0.00002443 6.226 6.078/6.317 6.159 ± 0.3121
12 1342 1342/1342 1342 ± 0.00002443 6.351 6.212/6.494 6.329 ± 0.3347
13 1342 1342/1342 1342 ± 0.00002443 6.747 6.628/7 6.749 ± 0.3504
14 1342 1342/1342 1342 ± 0.00002443 6.974 6.788/7.173 6.927 ± 0.3949
15 1342 1342/1342 1342 ± 0.00002443 6.567 6.454/6.808 6.545 ± 0.3689
16 1342 1342/1342 1342 ± 0.00003263 5.989 5.877/6.274 5.98 ± 0.3131
17 1342 1342/1342 1342 ± 0.00003248 5.992 5.857/6.205 5.974 ± 0.307
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38597432.eb38627615.59094.07999482639_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2024-12-31 02:33:31.309
End
2024-12-31 03:00:20.034
Duration
0:26:48.725
Note, WebLog generation is not included in the time.

CASA logs for stage 8