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 5.594 5.267/6.144 5.731 ± 0.5463
ea02 1342 1342/1342 1342 ± 0.000003976 5.726 5.392/6.461 5.963 ± 0.6296
ea03 1342 1342/1342 1342 ± 0 5.401 4.763/5.999 5.419 ± 0.6576
ea04 1342 1342/1342 1342 ± 0 5.495 5.138/6.105 5.662 ± 0.575
ea05 1342 1342/1342 1342 ± 0 5.815 5.328/6.323 5.891 ± 0.6026
ea06 1342 1342/1342 1342 ± 0 5.235 4.904/5.681 5.3 ± 0.4588
ea07 1342 1342/1342 1342 ± 0 5.998 5.465/6.229 5.986 ± 0.5761
ea08 1342 1342/1342 1342 ± 0.00001578 5.967 5.581/6.756 6.198 ± 0.6759
ea09 1342 1342/1342 1342 ± 0 5.738 5.248/6.376 5.82 ± 0.6373
ea10 1342 1342/1342 1342 ± 0.000001503 5.962 5.285/6.596 5.949 ± 0.6895
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.799 5.324/6.436 5.97 ± 0.6757
ea13 1342 1342/1342 1342 ± 0 6.101 5.881/6.546 6.259 ± 0.5128
ea14 1342 1342/1342 1342 ± 0 5.851 5.317/6.431 5.926 ± 0.6769
ea15 1342 1342/1342 1342 ± 0 5.749 5.321/6.355 5.919 ± 0.6651
ea16 1342 1342/1342 1342 ± 0 6.106 5.652/6.737 6.257 ± 0.7096
ea17 1342 1342/1342 1342 ± 0.00002822 5.924 5.524/6.566 6.091 ± 0.6411
ea18 1342 1342/1342 1342 ± 0.000001063 5.032 4.709/5.49 5.121 ± 0.5337
ea19 1342 1342/1342 1342 ± 0 6.052 5.577/6.755 6.242 ± 0.6686
ea20 1342 1342/1342 1342 ± 0 6.237 5.647/6.795 6.18 ± 0.6255
ea21 1342 1342/1342 1342 ± 0 5.77 5.392/6.327 5.904 ± 0.5743
ea22 1342 1342/1342 1342 ± 0 5.561 5.293/6.42 5.822 ± 0.6697
ea23 1342 1342/1342 1342 ± 0 6.025 5.468/6.442 6.086 ± 0.6887
ea25 1342 1342/1342 1342 ± 0.000003976 5.658 5.288/6.202 5.797 ± 0.5881
ea26 1342 1342/1342 1342 ± 0 6.017 5.607/6.743 6.205 ± 0.6839
ea27 1342 1342/1342 1342 ± 0.00002341 5.58 5.176/6.396 5.77 ± 0.609
ea28 1342 1342/1342 1342 ± 0.00004028 5.833 5.434/6.485 5.987 ± 0.6683
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 ± 0.00002348 5.371 5.261/5.642 5.395 ± 0.2813
3 1342 1342/1342 1342 ± 0.00002391 5.341 5.078/5.508 5.3 ± 0.3042
4 1342 1342/1342 1342 ± 0.00002444 5.219 5.076/5.462 5.253 ± 0.3179
5 1342 1342/1342 1342 ± 0.00002348 5.373 5.143/5.495 5.334 ± 0.3223
6 1342 1342/1342 1342 ± 0.00002348 5.298 5.125/5.5 5.273 ± 0.3227
7 1342 1342/1342 1342 ± 0.00002348 5.344 5.261/5.533 5.359 ± 0.2504
8 1342 1342/1342 1342 ± 0.00002348 5.373 5.15/5.534 5.318 ± 0.2639
9 1342 1342/1342 1342 ± 0.00002348 5.654 5.518/5.864 5.617 ± 0.2969
10 1342 1342/1342 1342 ± 0.00002348 6.097 5.939/6.246 6.067 ± 0.3054
11 1342 1342/1342 1342 ± 0.00002348 6.363 6.154/6.461 6.292 ± 0.3078
12 1342 1342/1342 1342 ± 0.00002392 6.527 6.294/6.65 6.45 ± 0.3245
13 1342 1342/1342 1342 ± 0.00002348 6.915 6.816/7.133 6.886 ± 0.3458
14 1342 1342/1342 1342 ± 0.00002348 7.115 6.915/7.323 7.036 ± 0.3788
15 1342 1342/1342 1342 ± 0.00002348 6.807 6.515/6.961 6.724 ± 0.3758
16 1342 1342/1342 1342 ± 0.00004058 6.092 5.765/6.304 6.071 ± 0.3381
17 1342 1342/1342 1342 ± 0.00003542 6.134 5.841/6.341 6.072 ± 0.3384
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38619750.eb38664746.59114.89728754629_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-01-04 07:22:28.878
End
2025-01-04 08:41:40.259
Duration
1:19:11.381
Note, WebLog generation is not included in the time.

CASA logs for stage 8