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

Statwt Summary Plot

VLASS2.1.sb38610195.eb38638028.59101.102248043986_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 4.559 4.318/4.654 4.514 ± 0.277
ea02 1342 1342/1342 1342 ± 0.00002845 4.646 4.38/4.806 4.622 ± 0.2729
ea04 1342 1342/1342 1342 ± 0 4.611 4.428/4.816 4.647 ± 0.255
ea05 1342 1342/1342 1342 ± 0 5.483 5.106/5.916 5.495 ± 0.506
ea06 1342 1342/1342 1342 ± 0 4.061 3.959/4.211 4.064 ± 0.1746
ea07 1342 1342/1342 1342 ± 0 5.402 5.13/5.601 5.463 ± 0.4016
ea08 1342 1342/1342 1342 ± 0 5.614 5.323/6.259 5.756 ± 0.5303
ea09 1342 1342/1342 1342 ± 0 5.084 4.871/5.576 5.235 ± 0.4146
ea10 1342 1342/1342 1342 ± 0 5.226 4.867/5.776 5.318 ± 0.4758
ea11 1342 1342/1342 1342 ± 0 4.976 4.863/5.251 4.991 ± 0.3051
ea12 1342 1342/1342 1342 ± 0 5.234 4.92/5.374 5.216 ± 0.4355
ea13 1342 1342/1342 1342 ± 0 4.493 4.348/4.623 4.502 ± 0.2332
ea14 1342 1342/1342 1342 ± 0 4.662 4.399/6.023 5.093 ± 0.8069
ea15 1342 1342/1342 1342 ± 0 5.238 4.814/5.592 5.252 ± 0.4734
ea16 1342 1342/1342 1342 ± 0 5.708 5.309/6.027 5.743 ± 0.5101
ea17 1342 1342/1342 1342 ± 0 5.503 5.303/5.97 5.651 ± 0.4773
ea18 1342 1342/1342 1342 ± 0 4.653 4.38/5.009 4.694 ± 0.3543
ea19 1342 1342/1342 1342 ± 0 5.916 5.385/6.416 5.925 ± 0.5541
ea20 1342 1342/1342 1342 ± 0 4.859 4.636/5.052 4.847 ± 0.2271
ea21 1342 1342/1342 1342 ± 0 4.917 4.868/6.048 5.47 ± 0.8756
ea22 1342 1342/1342 1342 ± 0 4.843 4.747/5.376 5.01 ± 0.4411
ea23 1342 1342/1342 1342 ± 0 4.989 4.727/5.664 5.283 ± 0.7366
ea25 1342 1342/1342 1342 ± 0 4.594 4.307/4.725 4.559 ± 0.2739
ea26 1342 1342/1342 1342 ± 0 5.338 5.232/5.952 5.535 ± 0.4024
ea27 1342 1342/1342 1342 ± 0.000005941 4.997 4.874/5.566 5.132 ± 0.4259
ea28 1342 1342/1342 1342 ± 0.00001774 4.631 4.433/5.096 4.857 ± 0.6108
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 ± 0.00002367 4.928 4.71/5.307 4.989 ± 0.3265
3 1342 1342/1342 1342 ± 0.00003864 4.458 4.233/4.918 4.511 ± 0.3714
4 1342 1342/1342 1342 ± 0.00002499 4.814 4.594/5.136 4.839 ± 0.405
5 1342 1342/1342 1342 ± 0.00002367 4.806 4.546/5.075 4.837 ± 0.3796
6 1342 1342/1342 1342 ± 0.00002367 4.819 4.475/5.033 4.775 ± 0.3688
7 1342 1342/1342 1342 ± 0.00002367 4.814 4.401/5.007 4.761 ± 0.372
8 1342 1342/1342 1342 ± 0.00002367 4.713 4.371/5.057 4.706 ± 0.4084
9 1342 1342/1342 1342 ± 0.00002367 4.854 4.468/5.337 4.88 ± 0.4635
10 1342 1342/1342 1342 ± 0.00002357 5.216 4.682/5.587 5.128 ± 0.4949
11 1342 1342/1342 1342 ± 0.00002367 5.456 4.802/5.774 5.312 ± 0.5451
12 1342 1342/1342 1342 ± 0.00002392 5.313 4.775/6.003 5.318 ± 0.6565
13 1342 1342/1342 1342 ± 0.00002387 5.951 5.225/6.333 5.771 ± 0.7003
14 1342 1342/1342 1342 ± 0.00002398 6.1 5.164/6.37 5.896 ± 0.7693
15 1342 1342/1342 1342 ± 0.00002423 5.694 4.833/6.061 5.537 ± 0.762
16 1342 1342/1342 1342 ± 0.00002539 5.209 4.599/5.48 5.07 ± 0.6484
17 1342 1342/1342 1342 ± 0.00002653 5.121 4.606/5.48 5.066 ± 0.6023
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.1.sb38610195.eb38638028.59101.102248043986_split_split.ms
output_dir
 
overwrite_modelcol
False
Start time
2025-01-08 07:28:06.253
End
2025-01-08 08:19:46.779
Duration
0:51:40.526
Note, WebLog generation is not included in the time.

CASA logs for stage 8