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

Statwt Summary Plot

VLASS2.1.sb38500385.eb38635359.59099.351010810184_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 5.338 5.2/6.185 5.621 ± 0.7515
ea02 1342 1342/1342 1342 ± 0.000044 5.914 5.35/6.713 5.993 ± 0.8781
ea04 1342 1342/1342 1342 ± 0.0000124 5.403 5.059/6.119 5.518 ± 0.7675
ea05 1342 1342/1342 1342 ± 0.00001298 5.546 5.136/6.273 5.774 ± 0.7588
ea06 1342 1342/1342 1342 ± 0.00002103 4.695 4.493/5.285 4.822 ± 0.5588
ea07 1342 1342/1342 1342 ± 0.00004857 5.9 5.457/6.38 5.875 ± 0.91
ea08 1342 1342/1342 1342 ± 0.00004409 5.912 5.481/6.85 6.123 ± 0.9782
ea09 1342 1342/1342 1342 ± 0.00002903 5.676 5.259/6.561 5.829 ± 0.7619
ea10 1342 1342/1342 1342 ± 0.00004255 5.926 5.268/6.771 5.905 ± 0.9493
ea11 1342 1342/1342 1342 ± 0.00004277 5.653 5.117/6.525 5.767 ± 0.9238
ea12 1342 1342/1342 1342 ± 0.00003072 5.661 5.358/6.541 5.814 ± 0.9011
ea13 1342 1342/1342 1342 ± 0.00001575 5.809 5.436/6.413 5.997 ± 0.6913
ea14 1342 1342/1342 1342 ± 0.00003608 5.606 5.149/6.468 5.744 ± 0.8658
ea15 1342 1342/1342 1342 ± 0.00001405 5.282 5.071/6.248 5.602 ± 0.8831
ea16 1342 1342/1342 1342 ± 0.00002414 5.92 5.478/6.892 6.092 ± 1.003
ea17 1342 1342/1342 1342 ± 0.0000439 5.832 5.366/7.052 6.007 ± 0.9806
ea18 1342 1342/1342 1342 ± 0.00004383 4.83 4.727/5.688 5.095 ± 0.6421
ea19 1342 1342/1342 1342 ± 0.00001821 5.826 5.651/6.945 6.161 ± 0.8577
ea20 1342 1342/1342 1342 ± 0.00004179 5.876 5.758/6.976 6.161 ± 0.9858
ea21 1342 1342/1342 1342 ± 0.00002993 5.632 5.333/6.465 5.775 ± 0.8198
ea22 1342 1342/1342 1342 ± 0.00003677 5.343 4.949/6.384 5.646 ± 0.7317
ea23 1342 1342/1342 1342 ± 0.00004224 5.778 5.381/6.684 5.905 ± 0.9864
ea25 1342 1342/1342 1342 ± 0.0000438 5.456 5.087/6.347 5.638 ± 0.8526
ea26 1342 1342/1342 1342 ± 0.00002918 5.813 5.671/6.79 6.162 ± 0.8065
ea27 1342 1342/1342 1342 ± 0.00004366 5.586 5.156/6.594 5.728 ± 0.8819
ea28 1342 1342/1342 1342 ± 0.00004405 5.599 5.386/6.621 5.913 ± 0.9382
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 ± 0.0000235 5.328 5.138/5.621 5.336 ± 0.302
5 1342 1342/1342 1342 ± 0.0000391 5.451 5.342/5.578 5.408 ± 0.2588
6 1342 1342/1342 1342 ± 0.0000235 5.368 5.137/5.568 5.326 ± 0.3131
7 1342 1342/1342 1342 ± 0.0000235 5.376 5.206/5.574 5.357 ± 0.2942
8 1342 1342/1342 1342 ± 0.0000235 5.367 5.144/5.48 5.299 ± 0.3177
9 1342 1342/1342 1342 ± 0.0000235 5.602 5.284/5.875 5.545 ± 0.3606
10 1342 1342/1342 1342 ± 0.0000235 6.124 5.966/6.309 6.069 ± 0.34
11 1342 1342/1342 1342 ± 0.0000235 6.4 6.226/6.518 6.326 ± 0.3528
12 1342 1342/1342 1342 ± 0.0000235 6.565 6.38/6.731 6.519 ± 0.3891
13 1342 1342/1342 1342 ± 0.0000235 7.024 6.767/7.186 6.961 ± 0.4202
14 1342 1342/1342 1342 ± 0.0000235 7.237 7.015/7.483 7.16 ± 0.4706
15 1342 1342/1342 1342 ± 0.00002397 6.663 6.39/7.003 6.616 ± 0.4913
16 1342 1342/1342 1342 ± 0.00005668 4.398 4.228/4.679 4.437 ± 0.2756
17 1342 1342/1342 1342 ± 0.00005943 4.416 4.265/4.76 4.502 ± 0.326
vis
VLASS2.1.sb38500385.eb38635359.59099.351010810184_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2024-11-02 23:30:53.305
End
2024-11-03 00:39:50.319
Duration
1:08:57.015
Note, WebLog generation is not included in the time.

CASA logs for stage 8