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

Statwt Summary Plot

VLASS2.1.sb38471682.eb38515236.59049.18662664352_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 5.506 5.13/6.057 5.634 ± 0.6623
ea02 1342 1342/1342 1342 ± 0.00003289 5.874 5.175/6.66 5.962 ± 0.8619
ea04 1342 1342/1342 1342 ± 0.00002167 5.299 5.175/6.028 5.514 ± 0.6748
ea05 1342 1342/1342 1342 ± 0.00001015 5.437 5.203/6.623 5.858 ± 0.8212
ea06 1342 1342/1342 1342 ± 0.0000283 5.023 4.782/5.816 5.238 ± 0.6285
ea07 1342 1342/1342 1342 ± 0.0000415 5.731 5.367/6.323 5.842 ± 0.7633
ea09 1342 1342/1342 1342 ± 0.000001229 5.195 5.003/5.865 5.345 ± 0.547
ea10 1342 1342/1342 1342 ± 0.00004459 5.077 4.759/5.953 5.274 ± 0.6596
ea11 1342 1342/1342 1342 ± 0.00004298 5.886 5.502/6.671 5.931 ± 0.8636
ea12 1342 1342/1342 1342 ± 0.00003309 5.606 5.498/6.454 5.961 ± 0.8115
ea13 1342 1342/1342 1342 ± 0 5.866 5.544/6.355 6.032 ± 0.6926
ea14 1342 1342/1342 1342 ± 0.00003735 5.563 5.33/6.669 5.944 ± 0.8008
ea15 1342 1342/1342 1342 ± 0.00001734 5.588 5.428/6.476 5.862 ± 0.8393
ea16 1342 1342/1342 1342 ± 0.00001624 5.922 5.225/6.732 6.033 ± 0.9768
ea17 1342 1342/1342 1342 ± 0.00004433 5.933 5.342/6.647 6.03 ± 0.8801
ea18 1342 1342/1342 1342 ± 0.00004199 4.961 4.683/5.644 5.135 ± 0.6613
ea19 1342 1342/1342 1342 ± 0.00001927 5.68 5.512/6.76 6.02 ± 0.8136
ea20 1342 1342/1342 1342 ± 0.00004092 6.129 5.822/6.978 6.289 ± 0.8805
ea21 1342 1342/1342 1342 ± 0.00002409 5.557 5.088/6.337 5.733 ± 0.7966
ea22 1342 1342/1342 1342 ± 0.000003011 5.485 5.097/6.395 5.74 ± 0.7846
ea23 1342 1342/1342 1342 ± 0.00004108 5.798 5.439/6.734 6.037 ± 0.8837
ea24 1342 1342/1342 1342 ± 0 5.133 4.933/6.165 5.47 ± 0.6787
ea25 1342 1342/1342 1342 ± 0.00004314 5.614 5.142/6.254 5.714 ± 0.7552
ea26 1342 1342/1342 1342 ± 0.000001229 5.821 5.629/6.879 6.151 ± 0.7846
ea27 1342 1342/1342 1342 ± 0.0000446 5.659 5.303/6.629 5.838 ± 0.7619
ea28 1342 1342/1342 1342 ± 0.00004229 5.687 5.552/6.603 5.97 ± 0.8113
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 ± 0.00002354 5.226 5.015/5.428 5.185 ± 0.3053
3 1342 1342/1342 1342 ± 0.00003559 5.13 4.932/5.324 5.122 ± 0.3798
5 1342 1342/1342 1342 ± 0.00002361 5.931 5.708/6.286 5.93 ± 0.5481
6 1342 1342/1342 1342 ± 0.00002354 5.493 5.144/5.594 5.395 ± 0.2908
7 1342 1342/1342 1342 ± 0.00002354 5.506 5.275/5.653 5.462 ± 0.2918
8 1342 1342/1342 1342 ± 0.00002354 5.438 5.132/5.552 5.374 ± 0.3367
9 1342 1342/1342 1342 ± 0.00002354 5.573 5.259/5.688 5.497 ± 0.3124
10 1342 1342/1342 1342 ± 0.0000235 6.141 5.948/6.262 6.059 ± 0.3094
11 1342 1342/1342 1342 ± 0.0000235 6.395 6.042/6.541 6.339 ± 0.3143
12 1342 1342/1342 1342 ± 0.0000235 6.518 6.298/6.739 6.501 ± 0.3624
13 1342 1342/1342 1342 ± 0.0000235 6.967 6.705/7.242 6.917 ± 0.4187
14 1342 1342/1342 1342 ± 0.0000235 7.271 6.94/7.386 7.106 ± 0.4322
15 1342 1342/1342 1342 ± 0.00002524 6.457 6.032/6.87 6.424 ± 0.5502
16 1342 1342/1342 1342 ± 0.00005939 4.478 4.357/4.598 4.472 ± 0.1775
17 1342 1342/1342 1342 ± 0.00006077 4.918 4.76/5.07 4.932 ± 0.2664
vis
VLASS2.1.sb38471682.eb38515236.59049.18662664352_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-04-21 00:03:30.115
End
2024-04-21 00:59:47.518
Duration
0:56:17.403
Note, WebLog generation is not included in the time.

CASA logs for stage 7