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

Statwt Summary Plot

VLASS2.1.sb38461639.eb38575724.59076.48643795139_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 5.42 5.291/6.039 5.409 ± 0.9372
ea02 1342 1342/1342 1342 ± 0.00004309 5.9 5.348/6.721 5.775 ± 1.125
ea04 1342 1342/1342 1342 ± 0.00004688 5.5 5.031/6.154 5.293 ± 1.022
ea05 1342 1342/1342 1342 ± 0.00001099 5.57 5.038/6.204 5.501 ± 0.87
ea06 1342 1342/1342 1342 ± 0.00004079 4.815 4.637/5.293 4.735 ± 0.7735
ea07 1342 1342/1342 1342 ± 0.00004289 5.829 5.353/6.246 5.572 ± 0.9802
ea08 1342 1342/1342 1342 ± 0.00004244 6.109 5.579/6.912 6.008 ± 1.162
ea09 1342 1342/1342 1342 ± 0.00001943 5.459 5.074/6.257 5.519 ± 0.8954
ea10 1342 1342/1342 1342 ± 0.00004418 5.367 5.186/6.436 5.54 ± 1.024
ea11 1342 1342/1342 1342 ± 0.00004272 5.587 5.145/6.531 5.573 ± 1.049
ea12 1342 1342/1342 1342 ± 0.0000426 5.812 5.23/6.641 5.647 ± 1.131
ea13 1342 1342/1342 1342 ± 0.00001612 5.896 5.616/6.447 5.896 ± 0.9164
ea14 1342 1342/1342 1342 ± 0.00001573 5.687 5.223/6.654 5.683 ± 1.03
ea15 1342 1342/1342 1342 ± 0.00003729 5.412 5.109/6.336 5.454 ± 1.174
ea16 1342 1342/1342 1342 ± 0.00001967 5.696 5.375/6.368 5.64 ± 0.9894
ea17 1342 1342/1342 1342 ± 0.00004604 5.871 5.44/6.687 5.842 ± 1.125
ea18 1342 1342/1342 1342 ± 0.00004344 5.099 4.783/5.595 4.99 ± 0.8215
ea19 1342 1342/1342 1342 ± 0.000001196 5.751 5.401/6.536 5.783 ± 0.8803
ea20 1342 1342/1342 1342 ± 0.00004231 5.996 5.717/6.877 5.962 ± 1.143
ea21 1342 1342/1342 1342 ± 0.0000151 5.513 5.307/6.316 5.496 ± 0.9056
ea22 1342 1342/1342 1342 ± 0.00003101 5.344 5.048/6.461 5.536 ± 0.9731
ea23 1342 1342/1342 1342 ± 0.00003751 5.72 5.421/6.511 5.681 ± 1.062
ea25 1342 1342/1342 1342 ± 0.00004358 5.566 5.298/6.296 5.515 ± 0.9891
ea27 1342 1342/1342 1342 ± 0.00004434 5.458 5.168/6.531 5.51 ± 1.019
ea28 1342 1342/1342 1342 ± 0.00004385 5.855 5.373/6.637 5.753 ± 1.073
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 ± 0.00002394 5.528 5.393/5.787 5.54 ± 0.2757
5 1342 1342/1342 1342 ± 0.0000261 5.337 5.086/5.493 5.323 ± 0.3039
6 1342 1342/1342 1342 ± 0.00002394 5.295 5.106/5.376 5.246 ± 0.2674
7 1342 1342/1342 1342 ± 0.00002394 5.299 5.184/5.466 5.296 ± 0.256
8 1342 1342/1342 1342 ± 0.00002394 5.352 5.164/5.466 5.307 ± 0.293
9 1342 1342/1342 1342 ± 0.00002394 5.662 5.409/5.826 5.596 ± 0.3351
10 1342 1342/1342 1342 ± 0.00002394 6.141 5.915/6.235 6.06 ± 0.3397
11 1342 1342/1342 1342 ± 0.00002394 6.366 6.246/6.568 6.364 ± 0.3471
12 1342 1342/1342 1342 ± 0.00002394 6.584 6.427/6.752 6.555 ± 0.3685
13 1342 1342/1342 1342 ± 0.00002397 6.786 6.526/6.966 6.696 ± 0.3809
14 1342 1342/1342 1342 ± 0.00003358 6.222 5.794/6.628 6.224 ± 0.5613
15 1342 1342/1342 1342 ± 0.00002493 6.742 6.445/7.018 6.671 ± 0.527
16 1342 1342/1342 1342 ± 0.00005439 3.376 3.212/3.614 3.403 ± 0.3354
17 1342 1342/1342 1342 ± 0.00005761 3.619 3.438/3.874 3.667 ± 0.3401
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.1.sb38461639.eb38575724.59076.48643795139_split_split.ms
output_dir
 
overwrite_modelcol
False
Start time
2024-11-26 08:03:04.282
End
2024-11-26 08:53:41.361
Duration
0:50:37.079
Note, WebLog generation is not included in the time.

CASA logs for stage 8