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

Statwt Summary Plot

VLASS2.1.sb38544671.eb38577571.59079.03639115741_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 5.57 5.143/5.834 5.532 ± 0.4822
ea02 1342 1342/1342 1342 ± 0 5.78 5.196/6.273 5.802 ± 0.6105
ea04 1342 1342/1342 1342 ± 0.0000223 5.195 4.815/5.905 5.396 ± 0.6167
ea05 1342 1342/1342 1342 ± 0 5.75 5.162/6.221 5.706 ± 0.6263
ea06 1342 1342/1342 1342 ± 0 4.933 4.568/5.387 5 ± 0.4679
ea07 1342 1342/1342 1342 ± 0 5.577 5.113/5.852 5.593 ± 0.5675
ea08 1342 1342/1342 1342 ± 0 5.66 5.177/6.374 5.842 ± 0.6779
ea09 1342 1342/1342 1342 ± 0 5.647 4.993/6.3 5.591 ± 0.6487
ea10 1342 1342/1342 1342 ± 0 5.347 4.85/6.005 5.439 ± 0.6026
ea11 1342 1342/1342 1342 ± 0 5.552 5.08/6.069 5.527 ± 0.5908
ea12 1342 1342/1342 1342 ± 0 5.515 5.066/6.063 5.646 ± 0.6329
ea13 1342 1342/1342 1342 ± 0 5.872 5.44/6.24 5.901 ± 0.5616
ea14 1342 1342/1342 1342 ± 0 5.545 5.114/6.07 5.6 ± 0.6339
ea15 1342 1342/1342 1342 ± 0 5.343 4.837/5.976 5.453 ± 0.7098
ea16 1342 1342/1342 1342 ± 0 5.768 5.155/6.271 5.831 ± 0.7036
ea17 1342 1342/1342 1342 ± 0.000002424 5.795 5.449/6.206 5.933 ± 0.5768
ea18 1342 1342/1342 1342 ± 0 4.913 4.567/5.333 4.993 ± 0.5078
ea19 1342 1342/1342 1342 ± 0 6.011 5.141/6.304 5.812 ± 0.6614
ea20 1342 1342/1342 1342 ± 0 5.816 5.362/6.455 5.924 ± 0.6721
ea21 1342 1342/1342 1342 ± 0 5.436 4.991/6.134 5.58 ± 0.5874
ea22 1342 1342/1342 1342 ± 0 5.849 5.073/6.289 5.699 ± 0.6786
ea23 1342 1342/1342 1342 ± 0 5.856 5.51/6.317 5.877 ± 0.6921
ea25 1342 1342/1342 1342 ± 0 5.431 5.157/5.875 5.537 ± 0.5255
ea26 1342 1342/1342 1342 ± 0 5.801 5.241/6.325 5.735 ± 0.6166
ea27 1342 1342/1342 1342 ± 0.00001809 5.417 4.783/6.122 5.452 ± 0.6382
ea28 1342 1342/1342 1342 ± 0 5.651 5.254/6.335 5.721 ± 0.6318
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 ± 0.00002765 5.185 4.931/5.35 5.152 ± 0.3405
3 1342 1342/1342 1342 ± 0.00002429 4.899 4.699/5.171 4.954 ± 0.2952
4 1342 1342/1342 1342 ± 0.00002596 4.929 4.581/5.168 4.91 ± 0.3545
5 1342 1342/1342 1342 ± 0.00002349 5.066 4.802/5.276 5.045 ± 0.2964
6 1342 1342/1342 1342 ± 0.00002349 5.081 4.884/5.233 5.059 ± 0.2533
7 1342 1342/1342 1342 ± 0.00002349 5.081 4.938/5.203 5.076 ± 0.2261
8 1342 1342/1342 1342 ± 0.00002349 5.065 4.909/5.241 5.052 ± 0.2708
9 1342 1342/1342 1342 ± 0.00002349 5.375 5.172/5.55 5.347 ± 0.2709
10 1342 1342/1342 1342 ± 0.00002394 5.763 5.648/5.865 5.764 ± 0.2777
11 1342 1342/1342 1342 ± 0.00002349 5.998 5.871/6.127 5.974 ± 0.2549
12 1342 1342/1342 1342 ± 0.00002349 6.198 5.887/6.312 6.141 ± 0.3013
13 1342 1342/1342 1342 ± 0.00002349 6.623 6.505/6.716 6.57 ± 0.3086
14 1342 1342/1342 1342 ± 0.00002394 6.729 6.572/6.958 6.721 ± 0.3426
15 1342 1342/1342 1342 ± 0.00002394 6.432 6.254/6.553 6.366 ± 0.3169
16 1342 1342/1342 1342 ± 0.00002552 5.825 5.622/5.934 5.768 ± 0.2698
17 1342 1342/1342 1342 ± 0.00002567 5.865 5.614/6.005 5.788 ± 0.3059
datacolumn
residual_data
vis
VLASS2.1.sb38544671.eb38577571.59079.03639115741_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
Start time
2024-04-05 01:57:50.829
End
2024-04-05 03:11:36.453
Duration
1:13:45.624
Note, WebLog generation is not included in the time.

CASA logs for stage 7