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 6.105 5.827/6.72 6.178 ± 0.7887
ea03 1342 1342/1342 1342 ± 0.00001594 5.678 5.245/6.365 5.761 ± 0.6983
ea04 1342 1342/1342 1342 ± 0 5.594 5.259/6.07 5.741 ± 0.5024
ea05 1342 1342/1342 1342 ± 0 5.96 5.614/6.581 6.1 ± 0.6654
ea06 1342 1342/1342 1342 ± 0 6.023 5.622/6.399 6.07 ± 0.5362
ea07 1342 1342/1342 1342 ± 0.000001097 5.943 5.435/6.093 5.918 ± 0.5135
ea08 1342 1342/1342 1342 ± 0.00001268 6.192 5.649/6.529 6.18 ± 0.6374
ea09 1342 1342/1342 1342 ± 0.000009152 5.97 5.49/6.657 6.085 ± 0.7068
ea10 1342 1342/1342 1342 ± 0 5.942 5.559/6.597 6.063 ± 0.5878
ea11 1342 1342/1342 1342 ± 0 6.137 5.461/6.586 6.112 ± 0.6975
ea12 1342 1342/1342 1342 ± 0 6.031 5.702/6.646 6.185 ± 0.7562
ea13 1342 1342/1342 1342 ± 0 5.993 5.891/6.36 6.126 ± 0.4766
ea14 1342 1342/1342 1342 ± 0 5.985 5.619/6.563 6.106 ± 0.6717
ea15 1342 1342/1342 1342 ± 0 5.51 5.132/5.895 5.556 ± 0.5877
ea16 1342 1342/1342 1342 ± 0 6.183 5.83/6.666 6.279 ± 0.6656
ea17 1342 1342/1342 1342 ± 0 6.544 6.266/7.326 6.777 ± 0.6393
ea18 1342 1342/1342 1342 ± 0 5.106 4.884/5.6 5.265 ± 0.4861
ea19 1342 1342/1342 1342 ± 0 6.314 5.93/6.887 6.444 ± 0.6421
ea20 1342 1342/1342 1342 ± 0.000001097 5.849 5.563/6.382 5.971 ± 0.6265
ea21 1342 1342/1342 1342 ± 0 5.633 5.459/6.238 5.861 ± 0.5145
ea22 1342 1342/1342 1342 ± 0.00001531 5.875 5.5/6.433 5.98 ± 0.6184
ea23 1342 1342/1342 1342 ± 0 6.218 5.827/6.538 6.285 ± 0.671
ea24 1342 1342/1342 1342 ± 0.000005304 6.02 5.316/6.436 5.893 ± 0.5771
ea25 1342 1342/1342 1342 ± 0 6.27 5.739/6.743 6.311 ± 0.771
ea26 1342 1342/1342 1342 ± 0 6.343 5.906/6.978 6.48 ± 0.6389
ea27 1342 1342/1342 1342 ± 0 5.828 5.484/6.614 6.017 ± 0.6469
ea28 1342 1342/1342 1342 ± 0 6.016 5.711/6.654 6.194 ± 0.6468
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 ± 0.00002305 5.698 5.483/5.933 5.698 ± 0.2811
3 1342 1342/1342 1342 ± 0.00003219 5.099 4.876/5.268 5.058 ± 0.4376
4 1342 1342/1342 1342 ± 0.00002305 5.478 5.234/5.79 5.487 ± 0.3898
5 1342 1342/1342 1342 ± 0.00002305 5.665 5.394/5.841 5.639 ± 0.336
6 1342 1342/1342 1342 ± 0.00002305 5.604 5.392/5.794 5.572 ± 0.267
7 1342 1342/1342 1342 ± 0.00002305 5.604 5.405/5.785 5.586 ± 0.2763
8 1342 1342/1342 1342 ± 0.00002305 5.472 5.288/5.68 5.5 ± 0.3076
9 1342 1342/1342 1342 ± 0.00002305 5.793 5.598/5.995 5.768 ± 0.3074
10 1342 1342/1342 1342 ± 0.00002305 6.249 6.055/6.395 6.16 ± 0.3127
11 1342 1342/1342 1342 ± 0.00002305 6.418 6.278/6.568 6.377 ± 0.3049
12 1342 1342/1342 1342 ± 0.00002305 6.583 6.336/6.676 6.526 ± 0.3664
13 1342 1342/1342 1342 ± 0.00002305 7.002 6.746/7.316 7.017 ± 0.3875
14 1342 1342/1342 1342 ± 0.00002305 7.245 7.026/7.503 7.228 ± 0.3946
15 1342 1342/1342 1342 ± 0.00002305 6.9 6.7/7.224 6.919 ± 0.3644
16 1342 1342/1342 1342 ± 0.00002305 6.284 5.942/6.593 6.28 ± 0.3855
17 1342 1342/1342 1342 ± 0.00002305 6.115 5.994/6.483 6.227 ± 0.3746
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.2.sb40869292.eb40982614.59542.13818863426_split_split.ms
output_dir
 
Start time
2025-04-23 12:55:41.076
End
2025-04-23 14:08:41.595
Duration
1:13:00.518
Note, WebLog generation is not included in the time.

CASA logs for stage 8