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

Statwt Summary Plot

VLASS2.1.sb38541375.eb38627613.59093.84554634259_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 5.428 5.078/5.847 5.528 ± 0.4999
ea02 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.441 5.088/5.927 5.539 ± 0.5328
ea05 1342 1342/1342 1342 ± 0 5.621 5.154/6.153 5.684 ± 0.5784
ea06 1342 1342/1342 1342 ± 0 4.955 4.756/5.333 5.024 ± 0.3702
ea07 1342 1342/1342 1342 ± 0 5.763 5.335/6.111 5.845 ± 0.5691
ea08 1342 1342/1342 1342 ± 0 5.787 5.353/6.419 5.898 ± 0.6539
ea09 1342 1342/1342 1342 ± 0 5.624 5.031/6.25 5.642 ± 0.6144
ea10 1342 1342/1342 1342 ± 0 5.724 5.166/6.472 5.792 ± 0.6689
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.758 5.302/6.27 5.857 ± 0.6141
ea13 1342 1342/1342 1342 ± 0 5.905 5.559/6.138 5.922 ± 0.4617
ea14 1342 1342/1342 1342 ± 0 5.686 5.168/6.218 5.701 ± 0.6358
ea15 1342 1342/1342 1342 ± 0 5.48 4.998/6.006 5.559 ± 0.6533
ea16 1342 1342/1342 1342 ± 0 5.998 5.454/6.442 6.06 ± 0.7127
ea17 1342 1342/1342 1342 ± 0.000002669 5.903 5.538/6.398 5.998 ± 0.6363
ea18 1342 1342/1342 1342 ± 0 5.009 4.752/5.405 5.078 ± 0.5024
ea19 1342 1342/1342 1342 ± 0 5.898 5.482/6.494 6.022 ± 0.617
ea20 1342 1342/1342 1342 ± 0 6.027 5.655/6.646 6.112 ± 0.6437
ea21 1342 1342/1342 1342 ± 0 5.52 5.267/6.13 5.671 ± 0.5583
ea22 1342 1342/1342 1342 ± 0 5.565 5.021/6.204 5.638 ± 0.6591
ea23 1342 1342/1342 1342 ± 0 5.89 5.421/6.469 5.96 ± 0.6652
ea25 1342 1342/1342 1342 ± 0 5.456 5.173/5.97 5.57 ± 0.5654
ea26 1342 1342/1342 1342 ± 0 5.893 5.435/6.5 5.962 ± 0.6661
ea27 1342 1342/1342 1342 ± 0.000018 5.496 5.06/6.283 5.65 ± 0.5983
ea28 1342 1342/1342 1342 ± 0 5.477 5.23/6.173 5.66 ± 0.6069
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 ± 0.00002441 5.358 5.125/5.525 5.332 ± 0.2477
3 1342 1342/1342 1342 ± 0.0000261 5.052 4.886/5.276 5.057 ± 0.2433
4 1342 1342/1342 1342 ± 0.00002441 5.118 4.935/5.31 5.107 ± 0.2916
5 1342 1342/1342 1342 ± 0.00002441 5.253 5.02/5.359 5.203 ± 0.2846
6 1342 1342/1342 1342 ± 0.00002488 4.931 4.743/5.006 4.896 ± 0.2231
7 1342 1342/1342 1342 ± 0.00002441 5.266 5.149/5.492 5.284 ± 0.2394
8 1342 1342/1342 1342 ± 0.00002441 5.253 5.047/5.382 5.234 ± 0.2717
9 1342 1342/1342 1342 ± 0.00002441 5.504 5.335/5.808 5.502 ± 0.3033
10 1342 1342/1342 1342 ± 0.00002441 5.905 5.732/6.105 5.905 ± 0.2939
11 1342 1342/1342 1342 ± 0.00002441 6.137 6.038/6.341 6.121 ± 0.3208
12 1342 1342/1342 1342 ± 0.00002441 6.266 6.093/6.495 6.254 ± 0.3456
13 1342 1342/1342 1342 ± 0.00002441 6.654 6.534/6.865 6.657 ± 0.3623
14 1342 1342/1342 1342 ± 0.00002441 6.771 6.663/7.122 6.802 ± 0.3808
15 1342 1342/1342 1342 ± 0.00002441 6.523 6.329/6.705 6.446 ± 0.3621
16 1342 1342/1342 1342 ± 0.00002682 5.847 5.705/6.137 5.842 ± 0.3146
17 1342 1342/1342 1342 ± 0.00002594 5.804 5.639/6.009 5.805 ± 0.3002
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.1.sb38541375.eb38627613.59093.84554634259_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
Start time
2024-05-01 08:36:09.523
End
2024-05-01 09:37:46.540
Duration
1:01:37.018
Note, WebLog generation is not included in the time.

CASA logs for stage 7