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

Statwt Summary Plot

VLASS2.2.sb40869292.eb40982614.59542.13818863426_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 6.12 5.811/6.595 6.157 ± 0.7722
ea03 1342 1342/1342 1342 ± 0.00001755 5.649 5.252/6.35 5.768 ± 0.6923
ea04 1342 1342/1342 1342 ± 0 5.615 5.264/6.09 5.715 ± 0.571
ea05 1342 1342/1342 1342 ± 0 5.936 5.644/6.57 6.111 ± 0.6508
ea06 1342 1342/1342 1342 ± 0 6.014 5.632/6.388 6.076 ± 0.5205
ea07 1342 1342/1342 1342 ± 0 5.982 5.47/6.168 5.952 ± 0.5189
ea08 1342 1342/1342 1342 ± 0.00001405 6.102 5.637/6.494 6.136 ± 0.643
ea09 1342 1342/1342 1342 ± 0.00000654 5.994 5.504/6.591 6.083 ± 0.7076
ea10 1342 1342/1342 1342 ± 0 5.948 5.588/6.596 6.067 ± 0.5827
ea11 1342 1342/1342 1342 ± 0.000006149 6.148 5.475/6.597 6.112 ± 0.6923
ea12 1342 1342/1342 1342 ± 0.0000019 6.046 5.724/6.666 6.214 ± 0.7561
ea13 1342 1342/1342 1342 ± 0 5.997 5.887/6.367 6.13 ± 0.473
ea14 1342 1342/1342 1342 ± 0 6 5.623/6.543 6.129 ± 0.6494
ea15 1342 1342/1342 1342 ± 0 5.507 5.136/5.911 5.581 ± 0.5812
ea16 1342 1342/1342 1342 ± 0 6.2 5.854/6.705 6.294 ± 0.6804
ea17 1342 1342/1342 1342 ± 0 6.547 6.212/7.301 6.745 ± 0.6384
ea18 1342 1342/1342 1342 ± 0 5.102 4.889/5.6 5.263 ± 0.4773
ea19 1342 1342/1342 1342 ± 0 6.327 5.928/6.891 6.452 ± 0.651
ea20 1342 1342/1342 1342 ± 0 5.891 5.584/6.414 6.016 ± 0.6216
ea21 1342 1342/1342 1342 ± 0 5.696 5.531/6.271 5.911 ± 0.5269
ea22 1342 1342/1342 1342 ± 0.000009793 5.893 5.526/6.437 6.002 ± 0.6146
ea23 1342 1342/1342 1342 ± 0 6.246 5.874/6.583 6.314 ± 0.6833
ea24 1342 1342/1342 1342 ± 0.00002184 6.08 5.262/6.482 5.772 ± 0.8343
ea25 1342 1342/1342 1342 ± 0 6.288 5.766/6.834 6.363 ± 0.7668
ea26 1342 1342/1342 1342 ± 0.00001644 6.353 5.924/7.018 6.439 ± 0.7474
ea27 1342 1342/1342 1342 ± 0 5.815 5.547/6.61 6.033 ± 0.6337
ea28 1342 1342/1342 1342 ± 0 5.991 5.691/6.643 6.184 ± 0.6355
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 ± 0.00002314 5.715 5.505/5.937 5.695 ± 0.3004
3 1342 1342/1342 1342 ± 0.00003579 5.089 4.859/5.239 5.009 ± 0.5207
4 1342 1342/1342 1342 ± 0.00002314 5.527 5.27/5.778 5.525 ± 0.3894
5 1342 1342/1342 1342 ± 0.00002314 5.682 5.427/5.9 5.658 ± 0.336
6 1342 1342/1342 1342 ± 0.00002314 5.616 5.376/5.771 5.573 ± 0.2636
7 1342 1342/1342 1342 ± 0.00002314 5.609 5.403/5.786 5.596 ± 0.2718
8 1342 1342/1342 1342 ± 0.00002314 5.51 5.266/5.684 5.504 ± 0.3162
9 1342 1342/1342 1342 ± 0.00002314 5.797 5.581/6.023 5.774 ± 0.3054
10 1342 1342/1342 1342 ± 0.00002314 6.248 6.081/6.386 6.171 ± 0.3043
11 1342 1342/1342 1342 ± 0.00002314 6.424 6.29/6.571 6.385 ± 0.2969
12 1342 1342/1342 1342 ± 0.00002314 6.572 6.342/6.698 6.534 ± 0.3615
13 1342 1342/1342 1342 ± 0.00002314 7 6.779/7.319 7.03 ± 0.3866
14 1342 1342/1342 1342 ± 0.00002314 7.264 7.076/7.558 7.255 ± 0.3872
15 1342 1342/1342 1342 ± 0.00002314 6.891 6.71/7.237 6.941 ± 0.3646
16 1342 1342/1342 1342 ± 0.00002314 6.226 5.933/6.509 6.279 ± 0.3761
17 1342 1342/1342 1342 ± 0.00002314 6.204 5.949/6.465 6.231 ± 0.3662
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.2.sb40869292.eb40982614.59542.13818863426_split_split.ms
Start time
2025-04-23 02:37:07.610
End
2025-04-23 03:22:28.793
Duration
0:45:21.184
Note, WebLog generation is not included in the time.

CASA logs for stage 8