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

Statwt Summary Plot

VLASS2.1.sb38519843.eb38632934.59097.18672790509_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 5.755 5.288/6.012 5.713 ± 0.5201
ea02 1342 1342/1342 1342 ± 0 5.808 5.441/6.578 6.002 ± 0.6545
ea04 1342 1342/1342 1342 ± 0.000006422 5.573 5.164/6.235 5.71 ± 0.5864
ea05 1342 1342/1342 1342 ± 0 5.916 5.28/6.397 5.808 ± 0.6138
ea06 1342 1342/1342 1342 ± 0 5.068 4.748/5.337 5.072 ± 0.3572
ea07 1342 1342/1342 1342 ± 0 6.111 5.402/6.255 5.978 ± 0.6244
ea08 1342 1342/1342 1342 ± 0.00001168 5.911 5.588/6.704 6.188 ± 0.6688
ea09 1342 1342/1342 1342 ± 0 5.606 5.195/6.492 5.775 ± 0.6706
ea10 1342 1342/1342 1342 ± 0 6.06 5.291/6.656 5.995 ± 0.6739
ea11 1342 1342/1342 1342 ± 0 6.063 5.179/6.387 5.878 ± 0.7138
ea12 1342 1342/1342 1342 ± 0 5.977 5.332/6.474 6.011 ± 0.6808
ea13 1342 1342/1342 1342 ± 0 6.085 5.796/6.438 6.188 ± 0.5426
ea14 1342 1342/1342 1342 ± 0 5.922 5.222/6.434 5.87 ± 0.6902
ea15 1342 1342/1342 1342 ± 0 5.752 5.104/6.307 5.833 ± 0.6973
ea16 1342 1342/1342 1342 ± 0 6.204 5.607/6.785 6.273 ± 0.7542
ea17 1342 1342/1342 1342 ± 0.000007956 5.976 5.527/6.801 6.088 ± 0.6428
ea18 1342 1342/1342 1342 ± 0 5.13 4.744/5.599 5.195 ± 0.5317
ea19 1342 1342/1342 1342 ± 0 5.961 5.58/6.517 6.135 ± 0.6888
ea20 1342 1342/1342 1342 ± 0 6.314 5.694/6.923 6.258 ± 0.691
ea21 1342 1342/1342 1342 ± 0 5.866 5.353/6.264 5.829 ± 0.595
ea22 1342 1342/1342 1342 ± 0 5.486 5.246/6.434 5.792 ± 0.6678
ea23 1342 1342/1342 1342 ± 0 6.191 5.486/6.579 6.169 ± 0.6917
ea25 1342 1342/1342 1342 ± 0 5.701 5.18/6.184 5.735 ± 0.5871
ea26 1342 1342/1342 1342 ± 0 5.937 5.637/6.959 6.22 ± 0.6699
ea27 1342 1342/1342 1342 ± 0.00000568 5.647 5.327/6.407 5.817 ± 0.6016
ea28 1342 1342/1342 1342 ± 0.00003544 5.657 5.437/6.494 5.989 ± 0.6294
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 ± 0.00002354 5.316 5.125/5.585 5.333 ± 0.258
4 1342 1342/1342 1342 ± 0.00002705 4.997 4.819/5.249 5.023 ± 0.292
5 1342 1342/1342 1342 ± 0.00002354 5.357 5.11/5.533 5.345 ± 0.3174
6 1342 1342/1342 1342 ± 0.00002354 5.299 5.058/5.447 5.268 ± 0.2868
7 1342 1342/1342 1342 ± 0.00002354 5.354 5.179/5.519 5.345 ± 0.2615
8 1342 1342/1342 1342 ± 0.00002354 5.354 5.123/5.525 5.31 ± 0.2763
9 1342 1342/1342 1342 ± 0.00002354 5.604 5.462/5.86 5.592 ± 0.319
10 1342 1342/1342 1342 ± 0.00002354 6.055 5.913/6.204 6.016 ± 0.3128
11 1342 1342/1342 1342 ± 0.00002354 6.294 6.116/6.431 6.233 ± 0.3252
12 1342 1342/1342 1342 ± 0.00002399 6.415 6.222/6.58 6.381 ± 0.3552
13 1342 1342/1342 1342 ± 0.00002354 6.879 6.749/7.047 6.847 ± 0.3734
14 1342 1342/1342 1342 ± 0.00002354 7.109 6.849/7.335 7.036 ± 0.4149
15 1342 1342/1342 1342 ± 0.00002354 6.737 6.518/6.95 6.66 ± 0.3984
16 1342 1342/1342 1342 ± 0.00002948 6.061 5.649/6.258 5.993 ± 0.4013
17 1342 1342/1342 1342 ± 0.00003193 6.094 5.653/6.291 5.997 ± 0.3839
overwrite_modelcol
False
vis
VLASS2.1.sb38519843.eb38632934.59097.18672790509_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2025-01-01 03:50:24.980
End
2025-01-01 04:16:31.523
Duration
0:26:06.544
Note, WebLog generation is not included in the time.

CASA logs for stage 8