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

Statwt Summary Plot

VLASS2.1.sb38499285.eb38509861.59047.50492306713_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 5.196 5.004/6.029 5.408 ± 0.7637
ea02 1342 1342/1342 1342 ± 0.00004712 5.531 5.143/6.406 5.653 ± 0.8416
ea04 1342 1342/1342 1342 ± 0.00003215 5.22 4.819/5.878 5.247 ± 0.7146
ea05 1342 1342/1342 1342 ± 0.00001723 5.429 5.075/6.432 5.652 ± 0.8179
ea06 1342 1342/1342 1342 ± 0.00004222 5.235 4.795/5.996 5.334 ± 0.7969
ea07 1342 1342/1342 1342 ± 0.00004237 5.671 5.146/6.056 5.544 ± 0.7877
ea08 1342 1342/1342 1342 ± 0.00004372 5.774 5.333/6.66 5.849 ± 0.9727
ea09 1342 1342/1342 1342 ± 0.00002419 5.408 4.95/6.207 5.448 ± 0.7906
ea10 1342 1342/1342 1342 ± 0.00004433 5.093 4.686/5.822 5.133 ± 0.7485
ea11 1342 1342/1342 1342 ± 0.00004265 5.749 5.168/6.376 5.685 ± 0.8868
ea12 1342 1342/1342 1342 ± 0.00004185 5.394 5.136/6.28 5.563 ± 0.879
ea13 1342 1342/1342 1342 ± 0.00001371 5.534 5.433/6.112 5.7 ± 0.6919
ea14 1342 1342/1342 1342 ± 0.0000375 5.54 5.099/6.414 5.68 ± 0.8957
ea15 1342 1342/1342 1342 ± 0.00002214 5.4 5.146/6.236 5.549 ± 0.8782
ea16 1342 1342/1342 1342 ± 0.00002848 5.724 5.343/6.643 5.827 ± 0.9576
ea17 1342 1342/1342 1342 ± 0.00004297 5.789 5.251/6.87 5.843 ± 0.9547
ea18 1342 1342/1342 1342 ± 0.00004391 4.793 4.651/5.626 4.986 ± 0.662
ea19 1342 1342/1342 1342 ± 0.000009883 5.66 5.446/6.625 5.846 ± 0.8742
ea20 1342 1342/1342 1342 ± 0.0000429 5.769 5.485/6.792 5.962 ± 0.9537
ea21 1342 1342/1342 1342 ± 0.00003048 5.45 5.152/6.213 5.542 ± 0.8136
ea22 1342 1342/1342 1342 ± 0.00003561 5.292 4.906/6.311 5.539 ± 0.8254
ea23 1342 1342/1342 1342 ± 0.00005281 6.335 5.957/6.764 5.882 ± 1.121
ea24 1342 1342/1342 1342 ± 0.00001279 4.983 4.701/5.933 5.245 ± 0.7008
ea25 1342 1342/1342 1342 ± 0.00004267 5.48 5.012/6.224 5.534 ± 0.8323
ea26 1342 1342/1342 1342 ± 0.00002027 5.627 5.422/6.713 5.852 ± 0.889
ea27 1342 1342/1342 1342 ± 0.00004294 5.469 5.062/6.363 5.548 ± 0.8188
ea28 1342 1342/1342 1342 ± 0.0000444 5.591 5.348/6.536 5.82 ± 0.878
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 ± 0.00002348 5.227 5.078/5.455 5.218 ± 0.3163
5 1342 1342/1342 1342 ± 0.00002909 5.116 4.83/5.272 5.064 ± 0.2737
6 1342 1342/1342 1342 ± 0.00002348 5.205 4.971/5.346 5.172 ± 0.2472
7 1342 1342/1342 1342 ± 0.00002348 5.2 5.037/5.408 5.204 ± 0.2457
8 1342 1342/1342 1342 ± 0.00002348 5.213 4.997/5.351 5.17 ± 0.2808
9 1342 1342/1342 1342 ± 0.00002383 5.485 5.244/5.689 5.443 ± 0.2788
10 1342 1342/1342 1342 ± 0.00002305 5.945 5.763/6.042 5.895 ± 0.2819
11 1342 1342/1342 1342 ± 0.00002305 6.178 6.005/6.37 6.164 ± 0.2853
12 1342 1342/1342 1342 ± 0.00002305 6.311 6.093/6.513 6.318 ± 0.3072
13 1342 1342/1342 1342 ± 0.00002305 6.656 6.383/6.849 6.624 ± 0.3512
14 1342 1342/1342 1342 ± 0.00002305 6.886 6.628/7.083 6.817 ± 0.352
15 1342 1342/1342 1342 ± 0.00002544 6.493 6.24/6.739 6.464 ± 0.3765
16 1342 1342/1342 1342 ± 0.0000569 4.188 4.07/4.29 4.179 ± 0.165
17 1342 1342/1342 1342 ± 0.0000561 4.115 3.98/4.286 4.142 ± 0.2331
output_dir
 
vis
VLASS2.1.sb38499285.eb38509861.59047.50492306713_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2024-11-08 02:22:18.509
End
2024-11-08 03:22:52.155
Duration
1:00:33.645
Note, WebLog generation is not included in the time.

CASA logs for stage 8