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

Statwt Summary Plot

VLASS2.1.sb38625952.eb38714976.59133.44101303241_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 5.469 5.353/6.249 5.785 ± 0.5905
ea02 1342 1342/1342 1342 ± 0.0000426 6.117 5.679/6.79 6.26 ± 0.6242
ea03 1342 1342/1342 1342 ± 0 5.637 4.928/6.12 5.584 ± 0.6492
ea04 1342 1342/1342 1342 ± 0 5.657 5.353/6.168 5.802 ± 0.543
ea05 1342 1342/1342 1342 ± 0 5.903 5.568/6.771 6.103 ± 0.6307
ea06 1342 1342/1342 1342 ± 0 4.972 4.775/5.51 5.136 ± 0.4152
ea07 1342 1342/1342 1342 ± 0 5.902 5.579/6.404 6.079 ± 0.6992
ea08 1342 1342/1342 1342 ± 0.000005992 6.141 5.67/6.824 6.285 ± 0.6678
ea09 1342 1342/1342 1342 ± 0 6.069 5.361/6.646 6.071 ± 0.6449
ea10 1342 1342/1342 1342 ± 0.000004038 5.994 5.506/6.869 6.123 ± 0.7249
ea11 1342 1342/1342 1342 ± 0 5.744 5.294/6.635 5.938 ± 0.8021
ea12 1342 1342/1342 1342 ± 0 5.631 5.45/6.539 5.979 ± 0.6658
ea13 1342 1342/1342 1342 ± 0 6.451 5.886/6.691 6.349 ± 0.5151
ea15 1342 1342/1342 1342 ± 0 6.132 5.606/6.685 6.192 ± 0.6769
ea16 1342 1342/1342 1342 ± 0 6.149 5.838/6.944 6.398 ± 0.7604
ea17 1342 1342/1342 1342 ± 0.000003793 6.164 5.884/6.891 6.457 ± 0.7285
ea18 1342 1342/1342 1342 ± 0 4.905 4.717/5.647 5.14 ± 0.5044
ea19 1342 1342/1342 1342 ± 0 6.179 5.569/6.764 6.195 ± 0.6222
ea20 1342 1342/1342 1342 ± 0 5.841 5.537/6.654 6.105 ± 0.668
ea21 1342 1342/1342 1342 ± 0 5.828 5.564/6.607 6.091 ± 0.6182
ea22 1342 1342/1342 1342 ± 0.0000012 5.961 5.127/6.317 5.765 ± 0.6139
ea23 1342 1342/1342 1342 ± 0 5.796 5.608/6.694 6.189 ± 0.7189
ea24 1342 1342/1342 1342 ± 0.00001413 6.079 5.619/6.77 6.206 ± 0.5901
ea25 1342 1342/1342 1342 ± 0 5.715 5.354/6.281 5.866 ± 0.6362
ea26 1342 1342/1342 1342 ± 0 6.502 5.97/7.181 6.578 ± 0.6853
ea27 1342 1342/1342 1342 ± 0 5.67 5.461/6.534 5.948 ± 0.6101
ea28 1342 1342/1342 1342 ± 0.000002776 5.604 5.392/6.337 5.895 ± 0.5843
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 ± 0.00002305 5.53 5.312/5.702 5.465 ± 0.2878
4 1342 1342/1342 1342 ± 0.0000355 5.148 4.852/5.407 5.141 ± 0.3639
5 1342 1342/1342 1342 ± 0.00002305 5.529 5.283/5.657 5.466 ± 0.3487
6 1342 1342/1342 1342 ± 0.00002305 5.494 5.304/5.661 5.425 ± 0.3111
7 1342 1342/1342 1342 ± 0.00002305 5.504 5.393/5.664 5.489 ± 0.2925
8 1342 1342/1342 1342 ± 0.00002305 5.462 5.267/5.618 5.425 ± 0.3304
9 1342 1342/1342 1342 ± 0.00002305 5.825 5.457/6.05 5.733 ± 0.362
10 1342 1342/1342 1342 ± 0.00002305 6.244 5.976/6.422 6.176 ± 0.3537
11 1342 1342/1342 1342 ± 0.00002305 6.498 6.283/6.65 6.417 ± 0.3639
12 1342 1342/1342 1342 ± 0.00002305 6.637 6.409/6.779 6.57 ± 0.4023
13 1342 1342/1342 1342 ± 0.00002305 7.109 6.878/7.215 7.014 ± 0.4257
14 1342 1342/1342 1342 ± 0.00002305 7.285 7.024/7.484 7.192 ± 0.4579
15 1342 1342/1342 1342 ± 0.00002325 6.764 6.329/6.905 6.634 ± 0.4615
16 1342 1342/1342 1342 ± 0.00002515 5.753 5.47/6.054 5.729 ± 0.4851
17 1342 1342/1342 1342 ± 0.00002429 5.983 5.636/6.246 5.898 ± 0.5184
vis
VLASS2.1.sb38625952.eb38714976.59133.44101303241_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-01-11 22:48:38.453
End
2025-01-11 23:49:37.210
Duration
1:00:58.757
Note, WebLog generation is not included in the time.

CASA logs for stage 8