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

Statwt Summary Plot

VLASS2.2.sb40880919.eb41034540.59559.16303170139_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 6.537 5.953/6.86 6.514 ± 0.6019
ea03 1342 1342/1342 1342 ± 0.000004147 5.72 5.249/6.737 5.94 ± 0.7228
ea04 1342 1342/1342 1342 ± 0.000002479 6.262 5.791/6.763 6.348 ± 0.6701
ea05 1342 1342/1342 1342 ± 0.000002479 6.209 5.884/7.052 6.402 ± 0.7125
ea06 1342 1342/1342 1342 ± 0.000002217 6.414 5.885/6.825 6.385 ± 0.6012
ea07 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea08 1342 1342/1342 1342 ± 0.000003676 6.126 5.706/6.757 6.25 ± 0.6199
ea09 1342 1342/1342 1342 ± 0.000001568 6.194 5.58/6.942 6.315 ± 0.6868
ea10 1342 1342/1342 1342 ± 0 7.132 6.787/7.385 7.05 ± 0.4445
ea11 1342 1342/1342 1342 ± 0.000003676 6.245 5.634/6.864 6.332 ± 0.7195
ea12 1342 1342/1342 1342 ± 0.000005461 6.553 5.909/7.072 6.601 ± 0.7131
ea13 1342 1342/1342 1342 ± 0.000002283 5.907 5.489/6.213 5.933 ± 0.4219
ea14 1342 1342/1342 1342 ± 0.00000192 6.639 5.905/6.999 6.579 ± 0.6844
ea15 1342 1342/1342 1342 ± 0.000002479 6.02 5.496/6.612 6.091 ± 0.6485
ea16 1342 1342/1342 1342 ± 0.000002217 6.582 6.013/7.076 6.621 ± 0.7323
ea17 1342 1342/1342 1342 ± 0.000002479 6.891 6.491/7.892 7.097 ± 0.7284
ea18 1342 1342/1342 1342 ± 0.000002933 5.258 4.86/5.659 5.297 ± 0.5279
ea19 1342 1342/1342 1342 ± 0.00000192 6.686 6.081/7.332 6.703 ± 0.7008
ea20 1342 1342/1342 1342 ± 0.00000192 5.885 5.692/6.766 6.126 ± 0.6101
ea21 1342 1342/1342 1342 ± 0 5.512 5.323/6.095 5.716 ± 0.4769
ea22 1342 1342/1342 1342 ± 0.000002217 6.325 5.588/6.656 6.182 ± 0.6057
ea23 1342 1342/1342 1342 ± 0.00000192 6.32 5.954/6.97 6.521 ± 0.6822
ea24 1342 1342/1342 1342 ± 0.00000192 6.185 5.448/6.634 6.05 ± 0.5821
ea25 1342 1342/1342 1342 ± 0.000001109 6.882 6.062/7.195 6.78 ± 0.7953
ea26 1342 1342/1342 1342 ± 0.000001568 6.752 6.161/7.483 6.833 ± 0.7129
ea27 1342 1342/1342 1342 ± 0.000001109 6.089 5.823/7.075 6.389 ± 0.6532
ea28 1342 1342/1342 1342 ± 0.000001568 6.302 5.968/7.166 6.568 ± 0.6669
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 ± 0.00002395 5.889 5.654/6.16 5.841 ± 0.3348
4 1342 1342/1342 1342 ± 0.00002566 5.481 5.267/5.795 5.525 ± 0.4273
5 1342 1342/1342 1342 ± 0.00002395 5.907 5.567/6.039 5.797 ± 0.3693
6 1342 1342/1342 1342 ± 0.00002395 5.782 5.493/5.903 5.693 ± 0.3139
7 1342 1342/1342 1342 ± 0.00002395 5.834 5.572/5.969 5.767 ± 0.3183
8 1342 1342/1342 1342 ± 0.00002395 5.692 5.465/5.99 5.721 ± 0.3728
9 1342 1342/1342 1342 ± 0.00002395 6.047 5.817/6.305 6.016 ± 0.3692
10 1342 1342/1342 1342 ± 0.00002351 6.631 6.262/6.728 6.489 ± 0.3587
11 1342 1342/1342 1342 ± 0.00002351 6.817 6.574/7.008 6.733 ± 0.374
12 1342 1342/1342 1342 ± 0.00002351 6.933 6.677/7.101 6.87 ± 0.4388
13 1342 1342/1342 1342 ± 0.00002351 7.401 7.109/7.757 7.348 ± 0.4995
14 1342 1342/1342 1342 ± 0.00002351 7.566 7.293/7.879 7.541 ± 0.5026
15 1342 1342/1342 1342 ± 0.00002351 7.096 6.853/7.523 7.144 ± 0.4668
16 1342 1342/1342 1342 ± 0.00002351 6.366 6.083/6.742 6.414 ± 0.4961
17 1342 1342/1342 1342 ± 0.00002351 6.328 6.08/6.64 6.318 ± 0.4873
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.2.sb40880919.eb41034540.59559.16303170139_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-06-12 06:21:48.569
End
2025-06-12 07:35:35.988
Duration
1:13:47.419
Note, WebLog generation is not included in the time.

CASA logs for stage 8