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

Statwt Summary Plot

VLASS2.1.sb38483282.eb38504007.59045.97679461805_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 5.499 5.367/5.96 5.69 ± 0.5411
ea02 1342 1342/1342 1342 ± 0.00001673 5.795 5.476/6.418 5.969 ± 0.6313
ea04 1342 1342/1342 1342 ± 0 5.537 5.218/6.024 5.659 ± 0.4845
ea05 1342 1342/1342 1342 ± 0 5.829 5.492/6.313 5.915 ± 0.5673
ea06 1342 1342/1342 1342 ± 0 5.558 5.142/5.974 5.576 ± 0.465
ea07 1342 1342/1342 1342 ± 0 5.218 5.19/5.556 5.318 ± 0.2201
ea08 1342 1342/1342 1342 ± 0.00002912 5.897 5.607/6.651 6.13 ± 0.6669
ea09 1342 1342/1342 1342 ± 0 5.154 4.991/5.698 5.342 ± 0.4322
ea10 1342 1342/1342 1342 ± 0.00003649 5.152 4.978/5.901 5.372 ± 0.5253
ea11 1342 1342/1342 1342 ± 0.000001179 5.748 5.42/6.409 5.916 ± 0.5945
ea13 1342 1342/1342 1342 ± 0 6.075 5.86/6.31 6.174 ± 0.4405
ea14 1342 1342/1342 1342 ± 0 5.641 5.37/6.321 5.863 ± 0.5538
ea15 1342 1342/1342 1342 ± 0 5.844 5.499/6.419 6.027 ± 0.6321
ea16 1342 1342/1342 1342 ± 0 5.983 5.668/6.427 6.166 ± 0.6397
ea17 1342 1342/1342 1342 ± 0.000003304 5.743 5.604/5.904 5.73 ± 0.2367
ea18 1342 1342/1342 1342 ± 0.000001199 5.129 4.837/5.58 5.225 ± 0.51
ea19 1342 1342/1342 1342 ± 0 5.721 5.645/5.918 5.777 ± 0.1572
ea20 1342 1342/1342 1342 ± 0 6.096 5.79/6.739 6.252 ± 0.6062
ea21 1342 1342/1342 1342 ± 0 5.379 5.229/5.84 5.536 ± 0.3908
ea22 1342 1342/1342 1342 ± 0.000002612 5.514 5.336/6.322 5.788 ± 0.6155
ea23 1342 1342/1342 1342 ± 0.00001015 5.852 5.597/6.438 6.086 ± 0.6291
ea24 1342 1342/1342 1342 ± 0 5.644 5.128/6.241 5.688 ± 0.5904
ea25 1342 1342/1342 1342 ± 0.000006601 5.597 5.386/6.256 5.813 ± 0.5897
ea26 1342 1342/1342 1342 ± 0 6.057 5.811/6.745 6.271 ± 0.65
ea27 1342 1342/1342 1342 ± 0.000005221 5.549 5.246/5.612 5.449 ± 0.2295
ea28 1342 1342/1342 1342 ± 0.00004031 5.671 5.514/6.467 5.934 ± 0.6369
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 ± 0.00002379 5.566 5.263/5.709 5.519 ± 0.2711
3 1342 1342/1342 1342 ± 0.00002419 5.146 4.979/5.368 5.179 ± 0.3329
4 1342 1342/1342 1342 ± 0.00002404 5.568 5.344/5.738 5.541 ± 0.3497
5 1342 1342/1342 1342 ± 0.00002379 5.453 5.262/5.663 5.441 ± 0.3007
6 1342 1342/1342 1342 ± 0.00002379 5.48 5.172/5.624 5.408 ± 0.2829
7 1342 1342/1342 1342 ± 0.00002379 5.442 5.139/5.604 5.411 ± 0.2695
8 1342 1342/1342 1342 ± 0.00002379 5.431 5.094/5.559 5.356 ± 0.2964
9 1342 1342/1342 1342 ± 0.00002379 5.686 5.364/5.927 5.627 ± 0.327
10 1342 1342/1342 1342 ± 0.00002583 6.045 5.851/6.222 6 ± 0.3231
11 1342 1342/1342 1342 ± 0.00002583 6.304 5.925/6.415 6.223 ± 0.3201
12 1342 1342/1342 1342 ± 0.00002583 6.396 6.037/6.557 6.355 ± 0.3311
13 1342 1342/1342 1342 ± 0.00002583 6.861 6.337/7.054 6.75 ± 0.3914
14 1342 1342/1342 1342 ± 0.00002583 6.981 6.634/7.257 6.934 ± 0.42
15 1342 1342/1342 1342 ± 0.00002583 6.668 6.147/6.914 6.589 ± 0.4235
16 1342 1342/1342 1342 ± 0.00004247 5.61 5.441/5.967 5.709 ± 0.3708
17 1342 1342/1342 1342 ± 0.00004304 5.69 5.475/6.012 5.726 ± 0.3531
overwrite_modelcol
False
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2024-04-13 12:52:04.225
End
2024-04-13 13:48:31.786
Duration
0:56:27.561
Note, WebLog generation is not included in the time.

CASA logs for stage 7