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

Statwt Summary Plot

VLASS2.1.sb38498189.eb38518036.59051.15321533565_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 5.347 5.147/6.166 5.487 ± 0.8021
ea02 1342 1342/1342 1342 ± 0.00004689 5.758 5.314/6.569 5.778 ± 0.8986
ea04 1342 1342/1342 1342 ± 0.000009184 5.344 5.02/5.89 5.363 ± 0.7388
ea05 1342 1342/1342 1342 ± 0.00002128 5.453 5.059/6.193 5.578 ± 0.7863
ea06 1342 1342/1342 1342 ± 0.00001424 4.795 4.65/5.399 4.817 ± 0.6469
ea07 1342 1342/1342 1342 ± 0.0000428 5.693 5.339/6.185 5.615 ± 0.8715
ea08 1342 1342/1342 1342 ± 0.00004297 5.895 5.522/6.783 5.973 ± 0.9846
ea09 1342 1342/1342 1342 ± 0.00003392 5.304 4.887/5.687 5.221 ± 0.6314
ea10 1342 1342/1342 1342 ± 0.00004182 4.975 4.606/5.53 4.936 ± 0.6525
ea11 1342 1342/1342 1342 ± 0.00004416 5.902 5.323/6.541 5.737 ± 0.9597
ea12 1342 1342/1342 1342 ± 0.00001832 5.541 5.284/6.391 5.612 ± 0.9657
ea13 1342 1342/1342 1342 ± 0.00002375 5.79 5.629/6.276 5.826 ± 0.7374
ea14 1342 1342/1342 1342 ± 0.00002636 5.633 5.331/6.537 5.793 ± 0.8388
ea15 1342 1342/1342 1342 ± 0.000009862 5.439 5.208/6.328 5.604 ± 0.907
ea16 1342 1342/1342 1342 ± 0.00002599 5.84 5.464/6.738 5.889 ± 0.9457
ea17 1342 1342/1342 1342 ± 0.00003941 5.85 5.425/6.782 5.914 ± 0.8953
ea18 1342 1342/1342 1342 ± 0.00004048 4.944 4.834/5.768 5.063 ± 0.7049
ea19 1342 1342/1342 1342 ± 0.000007867 5.766 5.533/6.52 5.913 ± 0.8202
ea20 1342 1342/1342 1342 ± 0.00002993 5.885 5.635/6.829 5.967 ± 1.059
ea21 1342 1342/1342 1342 ± 0.00002437 5.578 5.352/6.266 5.622 ± 0.7996
ea22 1342 1342/1342 1342 ± 0.00004199 5.4 5.075/6.391 5.569 ± 0.8449
ea23 1342 1342/1342 1342 ± 0.00003876 5.901 5.403/6.608 5.77 ± 0.9901
ea24 1342 1342/1342 1342 ± 0.00002251 5.169 4.834/6.032 5.365 ± 0.6994
ea25 1342 1342/1342 1342 ± 0.0000427 5.385 5.127/6.278 5.476 ± 0.8423
ea26 1342 1342/1342 1342 ± 0.0000387 5.687 5.616/6.705 5.936 ± 0.8569
ea27 1342 1342/1342 1342 ± 0.00004294 5.589 5.191/6.503 5.659 ± 0.8899
ea28 1342 1342/1342 1342 ± 0.00004295 5.676 5.391/6.592 5.793 ± 0.9353
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 ± 0.00002321 5.381 5.143/5.55 5.323 ± 0.3455
5 1342 1342/1342 1342 ± 0.00002407 5.335 5.072/5.483 5.293 ± 0.3034
6 1342 1342/1342 1342 ± 0.00002321 5.348 5.035/5.548 5.315 ± 0.2923
7 1342 1342/1342 1342 ± 0.00002321 5.34 5.087/5.523 5.292 ± 0.2934
8 1342 1342/1342 1342 ± 0.00002321 5.341 4.995/5.468 5.246 ± 0.3254
9 1342 1342/1342 1342 ± 0.00002391 5.578 5.17/5.717 5.461 ± 0.3519
10 1342 1342/1342 1342 ± 0.00002321 6.063 5.854/6.177 5.966 ± 0.346
11 1342 1342/1342 1342 ± 0.00002321 6.276 6.033/6.468 6.214 ± 0.3517
12 1342 1342/1342 1342 ± 0.00002321 6.396 6.184/6.61 6.376 ± 0.3831
13 1342 1342/1342 1342 ± 0.00002321 6.829 6.447/6.967 6.67 ± 0.4471
14 1342 1342/1342 1342 ± 0.00002321 6.704 6.385/6.983 6.622 ± 0.4961
15 1342 1342/1342 1342 ± 0.00002473 6.445 5.96/6.669 6.316 ± 0.4708
16 1342 1342/1342 1342 ± 0.00005995 3.976 3.786/4.178 3.988 ± 0.2791
17 1342 1342/1342 1342 ± 0.00005961 4.04 3.84/4.297 4.072 ± 0.3246
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38498189.eb38518036.59051.15321533565_split_split.ms
Start time
2024-04-20 16:18:05.523
End
2024-04-20 17:01:36.900
Duration
0:43:31.377
Note, WebLog generation is not included in the time.

CASA logs for stage 7