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

Statwt Summary Plot

VLASS2.1.sb38504727.eb38659863.59113.352947384265_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 5.707 5.543/6.496 6.025 ± 0.578
ea02 1342 1342/1342 1342 ± 0.000037 6.094 5.361/6.618 6.074 ± 0.7411
ea04 1342 1342/1342 1342 ± 0.00001946 5.565 5.285/6.176 5.787 ± 0.5578
ea05 1342 1342/1342 1342 ± 0.000005926 5.742 5.435/6.574 5.984 ± 0.6577
ea06 1342 1342/1342 1342 ± 0.00002378 4.95 4.878/5.728 5.297 ± 0.5116
ea07 1342 1342/1342 1342 ± 0.00004112 5.879 5.627/6.53 6.226 ± 0.6648
ea08 1342 1342/1342 1342 ± 0.00003995 6.016 5.635/6.887 6.293 ± 0.7683
ea09 1342 1342/1342 1342 ± 0.000009713 5.971 5.436/6.635 6.04 ± 0.642
ea10 1342 1342/1342 1342 ± 0.00004399 5.997 5.611/7.103 6.34 ± 0.7635
ea11 1342 1342/1342 1342 ± 0.00004309 5.884 5.588/6.93 6.296 ± 0.7733
ea12 1342 1342/1342 1342 ± 0.00002332 5.989 5.62/6.74 6.197 ± 0.6889
ea13 1342 1342/1342 1342 ± 0.000002439 6.342 5.545/6.457 6.212 ± 0.6735
ea14 1342 1342/1342 1342 ± 0.00003571 5.663 5.258/6.426 5.877 ± 0.6793
ea15 1342 1342/1342 1342 ± 0.00001741 5.787 5.411/6.489 6.012 ± 0.6702
ea16 1342 1342/1342 1342 ± 0.00001115 5.972 5.44/6.83 6.171 ± 0.8864
ea17 1342 1342/1342 1342 ± 0.00004531 6.085 5.894/7.175 6.502 ± 0.7399
ea18 1342 1342/1342 1342 ± 0.0000439 5.261 5.095/6.003 5.54 ± 0.5321
ea19 1342 1342/1342 1342 ± 0.0000207 6.011 5.683/6.939 6.324 ± 0.6996
ea20 1342 1342/1342 1342 ± 0.00002918 6.072 5.782/7.225 6.497 ± 0.7451
ea21 1342 1342/1342 1342 ± 0.00002472 5.601 5.409/6.534 5.949 ± 0.6982
ea22 1342 1342/1342 1342 ± 0.00001682 5.837 5.134/6.35 5.828 ± 0.7766
ea23 1342 1342/1342 1342 ± 0.00004089 5.803 5.606/6.701 6.214 ± 0.7122
ea25 1342 1342/1342 1342 ± 0.00004344 5.812 5.694/6.65 6.183 ± 0.6698
ea26 1342 1342/1342 1342 ± 0.0000095 6.163 5.777/6.934 6.345 ± 0.6256
ea27 1342 1342/1342 1342 ± 0.00004419 5.769 5.688/6.804 6.175 ± 0.6597
ea28 1342 1342/1342 1342 ± 0.00004485 5.888 5.666/6.794 6.253 ± 0.6688
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 ± 0.0000235 5.514 5.223/5.691 5.46 ± 0.3453
5 1342 1342/1342 1342 ± 0.00003207 5.597 5.429/5.742 5.613 ± 0.2562
6 1342 1342/1342 1342 ± 0.00002381 5.493 5.349/5.667 5.458 ± 0.2554
7 1342 1342/1342 1342 ± 0.0000235 5.517 5.345/5.665 5.496 ± 0.274
8 1342 1342/1342 1342 ± 0.0000235 5.434 5.216/5.662 5.453 ± 0.3179
9 1342 1342/1342 1342 ± 0.00002731 5.654 5.389/5.815 5.578 ± 0.3019
10 1342 1342/1342 1342 ± 0.0000235 6.297 6.094/6.497 6.261 ± 0.3089
11 1342 1342/1342 1342 ± 0.0000235 6.482 6.342/6.723 6.507 ± 0.3198
12 1342 1342/1342 1342 ± 0.00002395 6.694 6.485/6.862 6.662 ± 0.359
13 1342 1342/1342 1342 ± 0.0000235 7.174 6.978/7.348 7.114 ± 0.3517
14 1342 1342/1342 1342 ± 0.0000235 7.415 7.092/7.521 7.286 ± 0.372
15 1342 1342/1342 1342 ± 0.00002363 6.884 6.698/7.08 6.816 ± 0.3949
16 1342 1342/1342 1342 ± 0.00006055 5.559 5.403/5.753 5.549 ± 0.2739
17 1342 1342/1342 1342 ± 0.00006097 5.742 5.596/5.992 5.757 ± 0.3142
output_dir
 
vis
VLASS2.1.sb38504727.eb38659863.59113.352947384265_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-01-07 10:55:45.416
End
2025-01-07 11:57:31.491
Duration
1:01:46.075
Note, WebLog generation is not included in the time.

CASA logs for stage 8