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 5.342 5.242/5.956 5.415 ± 0.8203
ea02 1342 1342/1342 1342 ± 0.00004205 5.819 5.381/6.49 5.737 ± 0.9932
ea05 1342 1342/1342 1342 ± 0.00001832 5.564 5.158/6.593 5.693 ± 0.8384
ea06 1342 1342/1342 1342 ± 0.000006072 4.944 4.834/5.442 4.967 ± 0.6028
ea07 1342 1342/1342 1342 ± 0.00004285 5.751 5.363/6.055 5.545 ± 0.8149
ea08 1342 1342/1342 1342 ± 0.00004208 5.93 5.675/6.774 5.974 ± 1.046
ea09 1342 1342/1342 1342 ± 0.00001324 3.936 3.328/5.888 4.483 ± 1.197
ea10 1342 1342/1342 1342 ± 0.00004326 5.35 5.056/6.208 5.482 ± 0.8434
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.000003679 5.762 5.433/6.656 5.85 ± 1.035
ea13 1342 1342/1342 1342 ± 0.00001579 5.892 5.712/6.389 5.925 ± 0.7829
ea14 1342 1342/1342 1342 ± 0.000009666 6.577 5.695/6.895 6.036 ± 1.148
ea15 1342 1342/1342 1342 ± 0 5.369 5.24/6.306 5.637 ± 0.9094
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00004243 5.889 5.612/6.718 5.9 ± 1.038
ea18 1342 1342/1342 1342 ± 0.00003062 4.983 4.673/5.847 5.077 ± 0.816
ea19 1342 1342/1342 1342 ± 0.000005544 5.737 5.425/6.748 5.874 ± 0.8785
ea20 1342 1342/1342 1342 ± 0.00002237 5.977 5.811/7.154 6.104 ± 1.14
ea21 1342 1342/1342 1342 ± 0.00002692 5.582 5.328/6.413 5.657 ± 0.8556
ea22 1342 1342/1342 1342 ± 0.00003139 5.355 5.118/6.376 5.501 ± 0.8869
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.407 5.343/5.423 5.383 ± 0.164
ea26 1342 1342/1342 1342 ± 0.00001767 5.675 5.529/6.68 5.829 ± 0.8267
ea27 1342 1342/1342 1342 ± 0.00004529 5.54 5.187/6.451 5.579 ± 0.8984
ea28 1342 1342/1342 1342 ± 0.00005395 6.563 5.56/6.693 5.896 ± 1.279
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 ± 0.00002662 5.414 5.225/5.743 5.394 ± 0.509
3 1342 1342/1342 1342 ± 0.0000266 5.537 5.128/5.733 5.374 ± 0.5626
5 1342 1342/1342 1342 ± 0.00002691 5.423 5.254/5.6 5.315 ± 0.5588
6 1342 1342/1342 1342 ± 0.00002662 5.369 5.096/5.515 5.257 ± 0.529
7 1342 1342/1342 1342 ± 0.00002662 5.381 5.13/5.595 5.273 ± 0.5147
8 1342 1342/1342 1342 ± 0.00002662 5.354 5.066/5.428 5.199 ± 0.5177
9 1342 1342/1342 1342 ± 0.00002662 5.624 5.365/5.83 5.493 ± 0.6057
10 1342 1342/1342 1342 ± 0.00002601 6.08 5.838/6.146 6.003 ± 0.3561
11 1342 1342/1342 1342 ± 0.00002601 6.377 6.287/6.525 6.308 ± 0.3723
12 1342 1342/1342 1342 ± 0.00002601 6.613 6.294/6.684 6.484 ± 0.3878
13 1342 1342/1342 1342 ± 0.00002601 6.753 6.378/7.008 6.706 ± 0.4177
14 1342 1342/1342 1342 ± 0.00003429 6.555 6.184/6.968 6.569 ± 0.5184
15 1342 1342/1342 1342 ± 0.00002601 6.76 6.624/7.103 6.729 ± 0.4877
16 1342 1342/1342 1342 ± 0.00006085 3.822 3.674/4.113 3.882 ± 0.2704
17 1342 1342/1342 1342 ± 0.00006051 3.883 3.755/4.099 3.921 ± 0.2388
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
output_dir
 
Start time
2024-04-22 05:34:44.363
End
2024-04-22 06:36:10.799
Duration
1:01:26.436
Note, WebLog generation is not included in the time.

CASA logs for stage 7