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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.368 5.266/5.976 5.533 ± 0.7198
ea02 1342 1342/1342 1342 ± 0.00004501 5.87 5.372/6.461 5.723 ± 0.9718
ea05 1342 1342/1342 1342 ± 0.0000187 5.515 5.146/6.478 5.692 ± 0.8225
ea06 1342 1342/1342 1342 ± 0.000002304 4.924 4.839/5.44 4.967 ± 0.5766
ea07 1342 1342/1342 1342 ± 0.00003989 5.812 5.403/6.011 5.576 ± 0.8107
ea08 1342 1342/1342 1342 ± 0.00004275 6.045 5.647/6.751 5.964 ± 1.033
ea09 1342 1342/1342 1342 ± 0.00002673 3.755 3.369/5.719 4.437 ± 1.129
ea10 1342 1342/1342 1342 ± 0.00003675 5.645 5.205/6.358 5.646 ± 0.7643
ea11 1342 1342/1342 1342 ± 0 5.925 5.398/6.548 6.072 ± 0.6447
ea12 1342 1342/1342 1342 ± 0.000007452 5.668 5.379/6.58 5.81 ± 0.9608
ea13 1342 1342/1342 1342 ± 0.00001378 5.93 5.786/6.393 5.913 ± 0.8001
ea14 1342 1342/1342 1342 ± 0.00002477 6.527 5.782/6.853 6.043 ± 1.14
ea15 1342 1342/1342 1342 ± 0 5.421 5.184/6.189 5.592 ± 0.8636
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00003681 5.97 5.653/6.724 5.983 ± 0.8889
ea18 1342 1342/1342 1342 ± 0.00002907 5.119 4.731/5.777 5.091 ± 0.7475
ea19 1342 1342/1342 1342 ± 0.00001058 5.69 5.472/6.708 5.891 ± 0.875
ea20 1342 1342/1342 1342 ± 0.00001218 5.977 5.816/7.009 6.1 ± 1.078
ea21 1342 1342/1342 1342 ± 0.00002605 5.537 5.332/6.36 5.678 ± 0.8379
ea22 1342 1342/1342 1342 ± 0.00003692 5.425 5.169/6.301 5.512 ± 0.9111
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.43 5.399/5.474 5.418 ± 0.1524
ea26 1342 1342/1342 1342 ± 0.0000194 5.682 5.545/6.665 5.807 ± 0.8553
ea27 1342 1342/1342 1342 ± 0.00003848 5.56 5.441/6.454 5.686 ± 0.7876
ea28 1342 1342/1342 1342 ± 0.00005362 6.513 5.831/6.667 5.891 ± 1.222
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 ± 0.00002603 5.495 5.3/5.746 5.429 ± 0.5005
5 1342 1342/1342 1342 ± 0.0000264 5.457 5.278/5.632 5.337 ± 0.5547
6 1342 1342/1342 1342 ± 0.00002603 5.428 5.218/5.532 5.298 ± 0.5142
7 1342 1342/1342 1342 ± 0.00002603 5.382 5.209/5.494 5.291 ± 0.4976
8 1342 1342/1342 1342 ± 0.00002603 5.332 5.118/5.501 5.224 ± 0.5138
9 1342 1342/1342 1342 ± 0.00002603 5.618 5.442/5.836 5.498 ± 0.5828
10 1342 1342/1342 1342 ± 0.00002546 6.064 5.861/6.189 6.003 ± 0.3552
11 1342 1342/1342 1342 ± 0.00002546 6.389 6.189/6.479 6.284 ± 0.3575
12 1342 1342/1342 1342 ± 0.00002546 6.56 6.189/6.666 6.442 ± 0.3732
13 1342 1342/1342 1342 ± 0.00002546 6.753 6.404/7.004 6.685 ± 0.4235
14 1342 1342/1342 1342 ± 0.00002926 6.601 6.191/6.972 6.563 ± 0.5112
15 1342 1342/1342 1342 ± 0.00002608 6.698 6.541/6.962 6.632 ± 0.4846
16 1342 1342/1342 1342 ± 0.00006085 4.025 3.797/4.185 4.003 ± 0.2531
17 1342 1342/1342 1342 ± 0.00006083 3.865 3.748/4.102 3.924 ± 0.2269
output_dir
 
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2024-04-22 08:08:43.351
End
2024-04-22 09:10:09.693
Duration
1:01:26.342
Note, WebLog generation is not included in the time.

CASA logs for stage 7