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

Statwt Summary Plot

VLASS2.1.sb38620321.eb38711360.59131.8760765162_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 5.643 5.386/6.115 5.806 ± 0.5307
ea02 1342 1342/1342 1342 ± 0 5.961 5.581/6.688 6.122 ± 0.6933
ea03 1342 1342/1342 1342 ± 0 5.474 4.963/6.049 5.522 ± 0.6123
ea04 1342 1342/1342 1342 ± 0 5.446 5.154/6.053 5.619 ± 0.5293
ea05 1342 1342/1342 1342 ± 0 5.705 5.273/6.189 5.783 ± 0.5932
ea06 1342 1342/1342 1342 ± 0 5.2 4.961/5.644 5.302 ± 0.4074
ea07 1342 1342/1342 1342 ± 0 5.946 5.469/6.185 5.966 ± 0.5487
ea08 1342 1342/1342 1342 ± 0.000007461 5.882 5.628/6.778 6.213 ± 0.7018
ea09 1342 1342/1342 1342 ± 0 5.809 5.347/6.419 5.911 ± 0.6237
ea10 1342 1342/1342 1342 ± 0.000002931 5.901 5.353/6.582 5.951 ± 0.6522
ea11 1342 1342/1342 1342 ± 0 6.103 5.477/6.531 6.085 ± 0.6524
ea12 1342 1342/1342 1342 ± 0 5.843 5.446/6.351 5.954 ± 0.6031
ea13 1342 1342/1342 1342 ± 0 6.345 6.073/6.572 6.421 ± 0.4755
ea15 1342 1342/1342 1342 ± 0 5.742 5.389/6.47 5.975 ± 0.6692
ea16 1342 1342/1342 1342 ± 0 5.985 5.602/6.681 6.171 ± 0.7246
ea17 1342 1342/1342 1342 ± 0.000002676 6.267 5.949/6.806 6.409 ± 0.6727
ea18 1342 1342/1342 1342 ± 0 5.034 4.724/5.512 5.134 ± 0.5069
ea19 1342 1342/1342 1342 ± 0 5.747 5.325/6.376 5.911 ± 0.6279
ea20 1342 1342/1342 1342 ± 0 5.96 5.618/6.588 6.068 ± 0.5802
ea21 1342 1342/1342 1342 ± 0 5.689 5.317/6.176 5.8 ± 0.5614
ea22 1342 1342/1342 1342 ± 0 5.611 5.402/6.494 5.916 ± 0.676
ea23 1342 1342/1342 1342 ± 0 5.944 5.407/6.337 6.025 ± 0.6639
ea24 1342 1342/1342 1342 ± 0.000006982 5.695 5.554/6.762 6.031 ± 0.6339
ea25 1342 1342/1342 1342 ± 0.000009472 5.597 5.392/6.235 5.816 ± 0.5573
ea26 1342 1342/1342 1342 ± 0 6.239 5.9/6.93 6.419 ± 0.7015
ea27 1342 1342/1342 1342 ± 0.00003712 5.588 5.338/6.37 5.802 ± 0.5819
ea28 1342 1342/1342 1342 ± 0.00002837 5.487 5.305/6.278 5.763 ± 0.6359
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 ± 0.00002308 5.431 5.29/5.704 5.456 ± 0.3158
3 1342 1342/1342 1342 ± 0.00002316 5.237 5.02/5.467 5.24 ± 0.2982
4 1342 1342/1342 1342 ± 0.00002442 5.321 5.2/5.5 5.364 ± 0.3694
5 1342 1342/1342 1342 ± 0.00002308 5.337 5.126/5.574 5.374 ± 0.3523
6 1342 1342/1342 1342 ± 0.0000235 5.381 5.27/5.547 5.384 ± 0.3194
7 1342 1342/1342 1342 ± 0.00002308 5.435 5.305/5.603 5.431 ± 0.2901
8 1342 1342/1342 1342 ± 0.00002308 5.335 5.172/5.583 5.365 ± 0.3112
9 1342 1342/1342 1342 ± 0.00002308 5.608 5.466/5.88 5.65 ± 0.339
10 1342 1342/1342 1342 ± 0.00002308 6.089 5.92/6.311 6.076 ± 0.3411
11 1342 1342/1342 1342 ± 0.00002308 6.344 6.117/6.553 6.295 ± 0.3312
12 1342 1342/1342 1342 ± 0.00002308 6.484 6.222/6.651 6.444 ± 0.3743
13 1342 1342/1342 1342 ± 0.00002308 6.907 6.734/7.066 6.876 ± 0.3665
14 1342 1342/1342 1342 ± 0.00002308 7.1 6.865/7.337 7.064 ± 0.4101
15 1342 1342/1342 1342 ± 0.00002308 6.712 6.485/6.982 6.688 ± 0.4081
16 1342 1342/1342 1342 ± 0.0000337 5.993 5.608/6.289 5.961 ± 0.3712
17 1342 1342/1342 1342 ± 0.00003568 5.993 5.674/6.256 5.975 ± 0.3461
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38620321.eb38711360.59131.8760765162_split_split.ms
statwtmode
VLASS-SE
Start time
2024-12-18 05:38:24.946
End
2024-12-18 06:35:39.173
Duration
0:57:14.228
Note, WebLog generation is not included in the time.

CASA logs for stage 8