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

Statwt Summary Plot

VLASS2.1.sb38545507.eb38638815.59102.13461381945_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 5.609 5.253/5.975 5.632 ± 0.4321
ea02 1342 1342/1342 1342 ± 0 5.725 5.347/6.277 5.844 ± 0.5243
ea04 1342 1342/1342 1342 ± 0 5.538 5.249/6.074 5.685 ± 0.5144
ea05 1342 1342/1342 1342 ± 0 5.361 5.09/5.721 5.415 ± 0.3969
ea06 1342 1342/1342 1342 ± 0 4.888 4.783/5.231 4.975 ± 0.2762
ea07 1342 1342/1342 1342 ± 0 5.487 5.224/5.801 5.534 ± 0.3826
ea08 1342 1342/1342 1342 ± 0 5.489 5.176/5.972 5.564 ± 0.4265
ea09 1342 1342/1342 1342 ± 0 5.139 4.946/5.534 5.248 ± 0.3572
ea10 1342 1342/1342 1342 ± 0 5.09 4.929/5.727 5.278 ± 0.3908
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.504 5.236/5.747 5.518 ± 0.3702
ea13 1342 1342/1342 1342 ± 0 5.955 5.703/6.231 6.02 ± 0.424
ea14 1342 1342/1342 1342 ± 0 5.395 5.064/5.972 5.488 ± 0.5166
ea15 1342 1342/1342 1342 ± 0 5.605 5.155/5.892 5.57 ± 0.4488
ea16 1342 1342/1342 1342 ± 0 5.496 5.236/5.835 5.571 ± 0.4027
ea17 1342 1342/1342 1342 ± 0.000002829 5.338 5.264/5.634 5.464 ± 0.3162
ea18 1342 1342/1342 1342 ± 0 4.521 4.364/4.745 4.574 ± 0.2579
ea19 1342 1342/1342 1342 ± 0 5.493 5.186/5.84 5.515 ± 0.3557
ea20 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea21 1342 1342/1342 1342 ± 0 5.558 5.374/6.203 5.748 ± 0.4751
ea22 1342 1342/1342 1342 ± 0 4.894 4.696/5.359 4.984 ± 0.425
ea23 1342 1342/1342 1342 ± 0 5.997 5.631/6.596 6.161 ± 0.6481
ea25 1342 1342/1342 1342 ± 0 5.584 5.396/6.156 5.768 ± 0.5296
ea26 1342 1342/1342 1342 ± 0 5.48 5.356/5.988 5.662 ± 0.3876
ea27 1342 1342/1342 1342 ± 0.00001479 5.128 5/5.663 5.281 ± 0.3691
ea28 1342 1342/1342 1342 ± 0 5.763 5.547/6.497 5.961 ± 0.6013
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 ± 0.0000244 5.323 5.153/5.509 5.323 ± 0.2829
3 1342 1342/1342 1342 ± 0.0000245 5.196 4.982/5.399 5.165 ± 0.3159
4 1342 1342/1342 1342 ± 0.0000269 5.09 4.88/5.324 5.087 ± 0.3012
5 1342 1342/1342 1342 ± 0.0000244 5.282 4.966/5.496 5.238 ± 0.3219
6 1342 1342/1342 1342 ± 0.0000244 5.083 4.963/5.256 5.079 ± 0.2713
7 1342 1342/1342 1342 ± 0.0000244 5.2 5.056/5.351 5.179 ± 0.2947
8 1342 1342/1342 1342 ± 0.0000244 5.16 4.906/5.383 5.123 ± 0.3185
9 1342 1342/1342 1342 ± 0.0000244 5.33 5.191/5.548 5.334 ± 0.357
10 1342 1342/1342 1342 ± 0.0000244 5.654 5.504/6.029 5.678 ± 0.3677
11 1342 1342/1342 1342 ± 0.0000244 5.808 5.699/6.138 5.842 ± 0.3762
12 1342 1342/1342 1342 ± 0.0000244 5.931 5.781/6.192 5.877 ± 0.5269
13 1342 1342/1342 1342 ± 0.0000244 6.228 5.934/6.576 6.248 ± 0.4847
14 1342 1342/1342 1342 ± 0.0000244 6.364 5.952/6.641 6.308 ± 0.5176
15 1342 1342/1342 1342 ± 0.0000244 5.994 5.596/6.221 5.929 ± 0.4949
16 1342 1342/1342 1342 ± 0.00002676 5.535 5.115/5.712 5.444 ± 0.385
17 1342 1342/1342 1342 ± 0.00002469 5.363 5.13/5.675 5.392 ± 0.4204
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38545507.eb38638815.59102.13461381945_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2024-12-03 12:03:18.172
End
2024-12-03 13:11:51.155
Duration
1:08:32.983
Note, WebLog generation is not included in the time.

CASA logs for stage 8