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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.338 5.218/6.136 5.512 ± 0.6825
ea02 1342 1342/1342 1342 ± 0.00004209 5.757 5.328/6.66 5.832 ± 0.8665
ea05 1342 1342/1342 1342 ± 0.000009519 5.464 5.107/6.46 5.747 ± 0.7087
ea06 1342 1342/1342 1342 ± 0.000001287 4.85 4.795/5.372 4.973 ± 0.5056
ea07 1342 1342/1342 1342 ± 0.00004209 5.807 5.374/5.982 5.676 ± 0.6997
ea08 1342 1342/1342 1342 ± 0.00004211 5.903 5.595/6.845 6.041 ± 0.8986
ea09 1342 1342/1342 1342 ± 0.0000339 4.035 3.363/5.888 4.504 ± 1.179
ea10 1342 1342/1342 1342 ± 0.00004209 5.359 5.127/6.406 5.625 ± 0.7823
ea11 1342 1342/1342 1342 ± 0 5.871 5.319/6.487 5.976 ± 0.6214
ea12 1342 1342/1342 1342 ± 0 5.568 5.378/6.559 5.815 ± 0.8438
ea13 1342 1342/1342 1342 ± 0.00002708 5.863 5.722/6.403 5.949 ± 0.7317
ea14 1342 1342/1342 1342 ± 0.000006703 6.525 5.917/6.887 6.264 ± 0.8577
ea15 1342 1342/1342 1342 ± 0 5.342 5.154/6.179 5.614 ± 0.745
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00004211 5.832 5.641/6.845 5.965 ± 0.8339
ea18 1342 1342/1342 1342 ± 0.00002206 4.967 4.727/5.813 5.102 ± 0.6748
ea19 1342 1342/1342 1342 ± 0.000002574 5.6 5.438/6.639 5.951 ± 0.7107
ea20 1342 1342/1342 1342 ± 0.00000668 5.969 5.772/7.003 6.107 ± 0.939
ea21 1342 1342/1342 1342 ± 0.00001424 5.452 5.351/6.363 5.757 ± 0.6965
ea22 1342 1342/1342 1342 ± 0.00004209 5.334 5.161/6.429 5.595 ± 0.8022
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.342 5.303/5.422 5.347 ± 0.1472
ea26 1342 1342/1342 1342 ± 0.00001287 5.653 5.511/6.632 5.834 ± 0.8094
ea27 1342 1342/1342 1342 ± 0.00004209 5.535 5.148/6.548 5.68 ± 0.8067
ea28 1342 1342/1342 1342 ± 0.0000529 6.503 5.992/6.826 6.096 ± 0.9683
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 ± 0.00002606 5.515 5.293/5.75 5.417 ± 0.5034
3 1342 1342/1342 1342 ± 0.00002608 5.358 5.164/5.527 5.256 ± 0.4932
5 1342 1342/1342 1342 ± 0.00002606 5.351 5.231/5.552 5.262 ± 0.5503
6 1342 1342/1342 1342 ± 0.00002606 5.377 5.167/5.465 5.263 ± 0.5092
7 1342 1342/1342 1342 ± 0.00002606 5.319 5.167/5.487 5.257 ± 0.4886
8 1342 1342/1342 1342 ± 0.00002606 5.335 5.073/5.454 5.192 ± 0.5112
9 1342 1342/1342 1342 ± 0.00002606 5.579 5.43/5.808 5.47 ± 0.5767
10 1342 1342/1342 1342 ± 0.00002549 6.065 5.843/6.183 6.002 ± 0.3436
11 1342 1342/1342 1342 ± 0.00002549 6.394 6.178/6.481 6.268 ± 0.357
12 1342 1342/1342 1342 ± 0.00002549 6.514 6.176/6.634 6.424 ± 0.3653
13 1342 1342/1342 1342 ± 0.00002549 6.821 6.55/7.01 6.753 ± 0.3814
14 1342 1342/1342 1342 ± 0.00002556 6.882 6.599/7.027 6.746 ± 0.4368
15 1342 1342/1342 1342 ± 0.00002608 6.682 6.571/6.928 6.651 ± 0.462
16 1342 1342/1342 1342 ± 0.00006103 4.409 4.235/4.6 4.442 ± 0.3046
17 1342 1342/1342 1342 ± 0.00006103 4.313 4.195/4.554 4.397 ± 0.2978
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
overwrite_modelcol
False
Start time
2024-06-11 07:17:09.358
End
2024-06-11 08:03:31.618
Duration
0:46:22.260
Note, WebLog generation is not included in the time.

CASA logs for stage 8