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

Statwt Summary Plot

VLASS2.1.sb38521729.eb38627577.59093.001901145835_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 5.484 5.192/5.891 5.584 ± 0.5033
ea02 1342 1342/1342 1342 ± 0 5.743 5.34/6.33 5.886 ± 0.6385
ea04 1342 1342/1342 1342 ± 0 5.57 5.195/6.121 5.725 ± 0.5505
ea05 1342 1342/1342 1342 ± 0 5.641 5.312/6.169 5.759 ± 0.5595
ea06 1342 1342/1342 1342 ± 0 4.908 4.708/5.29 5.002 ± 0.3524
ea07 1342 1342/1342 1342 ± 0 5.903 5.417/6.09 5.903 ± 0.5462
ea08 1342 1342/1342 1342 ± 0.000003613 5.75 5.443/6.517 5.982 ± 0.6612
ea09 1342 1342/1342 1342 ± 0 5.595 5.206/6.361 5.712 ± 0.5975
ea10 1342 1342/1342 1342 ± 0 5.819 5.257/6.411 5.841 ± 0.6363
ea11 1342 1342/1342 1342 ± 0 5.756 5.068/6.178 5.72 ± 0.6127
ea12 1342 1342/1342 1342 ± 0 5.841 5.326/6.318 5.907 ± 0.614
ea13 1342 1342/1342 1342 ± 0 6.126 5.72/6.329 6.12 ± 0.5023
ea14 1342 1342/1342 1342 ± 0 5.911 5.224/6.266 5.827 ± 0.6361
ea15 1342 1342/1342 1342 ± 0 5.699 5.223/6.32 5.846 ± 0.6739
ea16 1342 1342/1342 1342 ± 0 6.13 5.639/6.644 6.213 ± 0.6983
ea17 1342 1342/1342 1342 ± 0.00001402 5.832 5.434/6.697 6.017 ± 0.6177
ea18 1342 1342/1342 1342 ± 0 5.069 4.688/5.493 5.104 ± 0.4832
ea19 1342 1342/1342 1342 ± 0 6.024 5.498/6.559 6.081 ± 0.583
ea20 1342 1342/1342 1342 ± 0 5.98 5.599/6.563 6.102 ± 0.6069
ea21 1342 1342/1342 1342 ± 0 5.65 5.313/6.163 5.775 ± 0.519
ea22 1342 1342/1342 1342 ± 0 5.492 5.222/6.291 5.73 ± 0.6527
ea23 1342 1342/1342 1342 ± 0 6.068 5.389/6.454 6.006 ± 0.6442
ea25 1342 1342/1342 1342 ± 0 5.569 5.105/6.018 5.593 ± 0.5573
ea26 1342 1342/1342 1342 ± 0 5.954 5.686/6.65 6.123 ± 0.6447
ea27 1342 1342/1342 1342 ± 0.00001741 5.492 5.315/6.291 5.705 ± 0.5605
ea28 1342 1342/1342 1342 ± 0.00001909 5.503 5.313/6.292 5.771 ± 0.6053
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 ± 0.00002349 5.346 5.17/5.543 5.342 ± 0.2626
3 1342 1342/1342 1342 ± 0.00002429 5.099 4.882/5.325 5.098 ± 0.2743
4 1342 1342/1342 1342 ± 0.00002927 5.185 5.071/5.414 5.226 ± 0.3051
5 1342 1342/1342 1342 ± 0.00002349 5.373 5.122/5.468 5.323 ± 0.2906
6 1342 1342/1342 1342 ± 0.00002349 5.323 5.178/5.486 5.305 ± 0.2951
7 1342 1342/1342 1342 ± 0.00002349 5.306 5.222/5.422 5.304 ± 0.2529
8 1342 1342/1342 1342 ± 0.00002349 5.31 5.154/5.426 5.262 ± 0.2596
9 1342 1342/1342 1342 ± 0.00002349 5.537 5.389/5.767 5.527 ± 0.3022
10 1342 1342/1342 1342 ± 0.00002349 5.949 5.816/6.133 5.936 ± 0.2946
11 1342 1342/1342 1342 ± 0.00002349 6.219 6.079/6.321 6.148 ± 0.3124
12 1342 1342/1342 1342 ± 0.00002349 6.311 6.169/6.464 6.288 ± 0.3287
13 1342 1342/1342 1342 ± 0.00002349 6.75 6.633/6.915 6.727 ± 0.3575
14 1342 1342/1342 1342 ± 0.00002349 6.966 6.767/7.172 6.923 ± 0.3927
15 1342 1342/1342 1342 ± 0.00002349 6.663 6.38/6.735 6.537 ± 0.3948
16 1342 1342/1342 1342 ± 0.00002834 5.891 5.585/6.229 5.883 ± 0.3706
17 1342 1342/1342 1342 ± 0.00002725 5.882 5.625/6.168 5.89 ± 0.3571
vis
VLASS2.1.sb38521729.eb38627577.59093.001901145835_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-05-01 10:02:44.174
End
2024-05-01 11:05:07.650
Duration
1:02:23.476
Note, WebLog generation is not included in the time.

CASA logs for stage 7