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

Statwt Summary Plot

VLASS2.1.sb38619750.eb38664746.59114.89728754629_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 5.686 5.342/6.197 5.804 ± 0.562
ea02 1342 1342/1342 1342 ± 0.000006062 5.807 5.489/6.516 6.029 ± 0.6488
ea03 1342 1342/1342 1342 ± 0 5.432 4.769/6.024 5.46 ± 0.6548
ea04 1342 1342/1342 1342 ± 0 5.546 5.198/6.124 5.707 ± 0.5718
ea05 1342 1342/1342 1342 ± 0 5.852 5.374/6.359 5.922 ± 0.6014
ea06 1342 1342/1342 1342 ± 0 5.271 4.972/5.736 5.36 ± 0.4561
ea07 1342 1342/1342 1342 ± 0 6.038 5.525/6.268 6.032 ± 0.5733
ea08 1342 1342/1342 1342 ± 0.0000178 5.942 5.66/6.781 6.238 ± 0.6829
ea09 1342 1342/1342 1342 ± 0 5.786 5.271/6.409 5.871 ± 0.642
ea10 1342 1342/1342 1342 ± 0.00001019 6.01 5.339/6.643 6.002 ± 0.6867
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.85 5.383/6.448 6.005 ± 0.663
ea13 1342 1342/1342 1342 ± 0 6.165 5.94/6.597 6.339 ± 0.5139
ea14 1342 1342/1342 1342 ± 0 5.892 5.377/6.474 5.982 ± 0.675
ea15 1342 1342/1342 1342 ± 0 5.815 5.374/6.401 5.981 ± 0.6654
ea16 1342 1342/1342 1342 ± 0 6.179 5.706/6.785 6.319 ± 0.7098
ea17 1342 1342/1342 1342 ± 0.00003441 6.03 5.594/6.586 6.168 ± 0.6544
ea18 1342 1342/1342 1342 ± 0.000006528 5.093 4.771/5.554 5.176 ± 0.5353
ea19 1342 1342/1342 1342 ± 0 6.085 5.637/6.782 6.288 ± 0.6674
ea20 1342 1342/1342 1342 ± 0 6.281 5.707/6.852 6.273 ± 0.6205
ea21 1342 1342/1342 1342 ± 0 5.791 5.447/6.368 5.941 ± 0.5676
ea22 1342 1342/1342 1342 ± 0.000002171 5.603 5.357/6.457 5.874 ± 0.6805
ea23 1342 1342/1342 1342 ± 0 6.093 5.517/6.511 6.145 ± 0.6917
ea25 1342 1342/1342 1342 ± 0.00002926 5.646 5.371/6.244 5.833 ± 0.5805
ea26 1342 1342/1342 1342 ± 0 6.085 5.669/6.762 6.257 ± 0.6783
ea27 1342 1342/1342 1342 ± 0.00004152 5.663 5.26/6.427 5.822 ± 0.5987
ea28 1342 1342/1342 1342 ± 0.00004127 5.857 5.499/6.52 6.028 ± 0.6794
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 ± 0.00002349 5.442 5.329/5.712 5.466 ± 0.2843
3 1342 1342/1342 1342 ± 0.00003116 5.352 5.067/5.524 5.313 ± 0.3127
4 1342 1342/1342 1342 ± 0.00002493 5.279 5.17/5.503 5.305 ± 0.3353
5 1342 1342/1342 1342 ± 0.00002349 5.454 5.198/5.584 5.42 ± 0.3272
6 1342 1342/1342 1342 ± 0.00002349 5.355 5.182/5.539 5.327 ± 0.3224
7 1342 1342/1342 1342 ± 0.00002349 5.407 5.311/5.601 5.418 ± 0.2519
8 1342 1342/1342 1342 ± 0.00002349 5.45 5.192/5.595 5.373 ± 0.2707
9 1342 1342/1342 1342 ± 0.00002349 5.691 5.563/5.923 5.664 ± 0.3031
10 1342 1342/1342 1342 ± 0.00002349 6.162 6.009/6.295 6.112 ± 0.3063
11 1342 1342/1342 1342 ± 0.00002349 6.417 6.201/6.516 6.335 ± 0.3068
12 1342 1342/1342 1342 ± 0.00002394 6.566 6.344/6.714 6.495 ± 0.3254
13 1342 1342/1342 1342 ± 0.00002349 6.971 6.874/7.193 6.943 ± 0.3507
14 1342 1342/1342 1342 ± 0.00002349 7.206 6.968/7.415 7.108 ± 0.3828
15 1342 1342/1342 1342 ± 0.00002351 6.865 6.551/7.013 6.772 ± 0.3787
16 1342 1342/1342 1342 ± 0.00004705 6.119 5.81/6.373 6.1 ± 0.3443
17 1342 1342/1342 1342 ± 0.0000419 6.155 5.932/6.355 6.133 ± 0.3291
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38619750.eb38664746.59114.89728754629_split_split.ms
Start time
2025-01-04 11:43:14.517
End
2025-01-04 12:40:45.128
Duration
0:57:30.610
Note, WebLog generation is not included in the time.

CASA logs for stage 8