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

Statwt Summary Plot

VLASS2.1.sb38652042.eb38809484.59142.37127280093_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 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea02 1342 1342/1342 1342 ± 0 5.763 5.222/6.521 5.791 ± 0.9033
ea03 1342 1342/1342 1342 ± 0.00003015 4.847 4.355/5.919 5.079 ± 0.8079
ea04 1342 1342/1342 1342 ± 0.00003616 5.028 4.738/5.956 5.2 ± 0.7429
ea05 1342 1342/1342 1342 ± 0.00001371 5.221 4.929/6.134 5.411 ± 0.7379
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.00003732 5.855 5.379/6.238 5.827 ± 0.8935
ea08 1342 1342/1342 1342 ± 0.00003805 5.85 5.311/6.515 5.875 ± 0.881
ea09 1342 1342/1342 1342 ± 0.00003984 5.198 4.989/6.383 5.512 ± 0.8564
ea10 1342 1342/1342 1342 ± 0.0000379 5.826 5.174/6.644 5.798 ± 0.8782
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003926 5.244 5.08/6.347 5.518 ± 0.8397
ea13 1342 1342/1342 1342 ± 0.00002363 5.349 5.042/5.986 5.523 ± 0.7552
ea14 1342 1342/1342 1342 ± 0.00002843 5.51 5.037/6.354 5.685 ± 0.8281
ea15 1342 1342/1342 1342 ± 0.00001344 1.759 1.672/1.937 1.814 ± 0.2165
ea17 1342 1342/1342 1342 ± 0.00003725 6.048 5.522/7.076 6.118 ± 0.919
ea18 1342 1342/1342 1342 ± 0.00003805 4.697 4.436/5.446 4.833 ± 0.5381
ea19 1342 1342/1342 1342 ± 0.00002551 5.346 5.149/6.362 5.616 ± 0.7835
ea20 1342 1342/1342 1342 ± 0.0000386 5.728 5.365/6.752 5.912 ± 0.8557
ea21 1342 1342/1342 1342 ± 0.00001984 5.473 5.106/6.249 5.606 ± 0.8019
ea23 1342 1342/1342 1342 ± 0.00002892 5.457 5.237/5.741 5.322 ± 0.6646
ea24 1342 1342/1342 1342 ± 0.00003872 5.533 5.172/6.537 5.687 ± 0.8272
ea25 1342 1342/1342 1342 ± 0.00003793 5.5 5.09/6.285 5.54 ± 0.7665
ea26 1342 1342/1342 1342 ± 0.00004206 5.636 5.103/6.701 5.803 ± 0.9521
ea27 1342 1342/1342 1342 ± 0.00003659 5.302 5.137/6.383 5.593 ± 0.7861
ea28 1342 1342/1342 1342 ± 0.00003722 5.329 5.085/6.175 5.535 ± 0.718
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 ± 0.00002514 5.172 5.037/5.227 4.999 ± 0.7337
5 1342 1342/1342 1342 ± 0.00002511 5.083 4.92/5.338 4.934 ± 0.7733
6 1342 1342/1342 1342 ± 0.00002497 5.149 4.979/5.295 4.966 ± 0.7577
7 1342 1342/1342 1342 ± 0.00002511 5.2 5.112/5.301 5.039 ± 0.7588
8 1342 1342/1342 1342 ± 0.00002514 5.157 5.042/5.309 5.036 ± 0.7734
9 1342 1342/1342 1342 ± 0.00002508 5.482 5.248/5.765 5.296 ± 0.8347
10 1342 1342/1342 1342 ± 0.00002511 5.86 5.577/6.079 5.627 ± 0.9112
11 1342 1342/1342 1342 ± 0.00002503 6.123 5.879/6.334 5.928 ± 0.9146
12 1342 1342/1342 1342 ± 0.00002508 6.346 5.991/6.518 6.12 ± 0.9595
13 1342 1342/1342 1342 ± 0.00002503 6.687 6.449/6.824 6.415 ± 0.9711
14 1342 1342/1342 1342 ± 0.00002502 6.75 6.369/6.955 6.456 ± 1.035
15 1342 1342/1342 1342 ± 0.00002505 6.645 6.244/7.087 6.448 ± 1.058
16 1342 1342/1342 1342 ± 0.00005632 4.292 4.056/4.49 4.163 ± 0.6695
17 1342 1342/1342 1342 ± 0.00005645 4.06 3.874/4.246 3.957 ± 0.5935
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38652042.eb38809484.59142.37127280093_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-01-31 06:21:28.180
End
2025-01-31 06:48:19.370
Duration
0:26:51.189
Note, WebLog generation is not included in the time.

CASA logs for stage 8