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 5.261/6.096 5.475 ± 0.8032
ea02 1342 1342/1342 1342 ± 0.00004967 5.842 5.391/6.631 5.763 ± 1.051
ea05 1342 1342/1342 1342 ± 0.00000484 5.486 5.122/6.182 5.489 ± 0.8897
ea06 1342 1342/1342 1342 ± 0.000002589 4.874 4.818/5.421 4.86 ± 0.7283
ea07 1342 1342/1342 1342 ± 0.00003958 5.726 5.382/6.02 5.47 ± 0.923
ea08 1342 1342/1342 1342 ± 0.00004248 6.155 5.684/6.901 6.008 ± 1.14
ea09 1342 1342/1342 1342 ± 0.00003041 3.809 3.362/5.692 4.445 ± 1.14
ea10 1342 1342/1342 1342 ± 0.00003599 5.645 5.181/6.371 5.636 ± 0.8134
ea11 1342 1342/1342 1342 ± 0 5.881 5.427/6.571 6.014 ± 0.5941
ea12 1342 1342/1342 1342 ± 0.00000317 5.618 5.358/6.529 5.643 ± 1.083
ea13 1342 1342/1342 1342 ± 0.00002746 5.872 5.766/6.369 5.864 ± 0.8354
ea14 1342 1342/1342 1342 ± 0.00001919 6.307 5.984/6.613 5.779 ± 1.17
ea15 1342 1342/1342 1342 ± 0.000002695 5.403 5.154/6.191 5.446 ± 0.9862
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00003968 5.926 5.56/6.81 5.927 ± 1.011
ea18 1342 1342/1342 1342 ± 0.00003159 5.061 4.846/5.756 4.987 ± 0.8879
ea19 1342 1342/1342 1342 ± 0.00001053 5.749 5.478/6.39 5.717 ± 0.8856
ea20 1342 1342/1342 1342 ± 0.00001535 5.953 5.725/6.807 5.938 ± 1.226
ea21 1342 1342/1342 1342 ± 0.00001249 5.563 5.313/6.249 5.479 ± 0.8963
ea22 1342 1342/1342 1342 ± 0.00004185 5.462 5.144/6.476 5.541 ± 0.9588
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.407 5.395/5.456 5.401 ± 0.1357
ea26 1342 1342/1342 1342 ± 0.00003545 5.651 5.565/6.608 5.76 ± 0.8967
ea27 1342 1342/1342 1342 ± 0.00004272 5.536 5.147/6.436 5.635 ± 0.8728
ea28 1342 1342/1342 1342 ± 0.00005343 6.529 6.072/6.725 5.876 ± 1.335
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 ± 0.00002626 5.408 5.271/5.717 5.385 ± 0.498
5 1342 1342/1342 1342 ± 0.00002743 5.412 5.182/5.557 5.306 ± 0.5373
6 1342 1342/1342 1342 ± 0.00002626 5.436 5.248/5.53 5.306 ± 0.5194
7 1342 1342/1342 1342 ± 0.00002626 5.398 5.181/5.534 5.287 ± 0.5053
8 1342 1342/1342 1342 ± 0.00002626 5.346 5.109/5.471 5.215 ± 0.5236
9 1342 1342/1342 1342 ± 0.00002626 5.598 5.432/5.842 5.475 ± 0.5915
10 1342 1342/1342 1342 ± 0.00002567 6.051 5.829/6.168 5.995 ± 0.3601
11 1342 1342/1342 1342 ± 0.00002567 6.372 6.188/6.463 6.272 ± 0.3612
12 1342 1342/1342 1342 ± 0.00002567 6.542 6.193/6.635 6.436 ± 0.3746
13 1342 1342/1342 1342 ± 0.00002597 6.752 6.385/6.883 6.657 ± 0.3739
14 1342 1342/1342 1342 ± 0.0000366 6.381 5.995/6.884 6.432 ± 0.5155
15 1342 1342/1342 1342 ± 0.00002647 6.492 6.242/6.72 6.447 ± 0.5278
16 1342 1342/1342 1342 ± 0.00006098 3.553 3.349/3.738 3.554 ± 0.2707
17 1342 1342/1342 1342 ± 0.00006102 3.594 3.435/3.812 3.623 ± 0.2791
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
Start time
2024-06-11 22:28:14.006
End
2024-06-11 23:17:40.421
Duration
0:49:26.415
Note, WebLog generation is not included in the time.

CASA logs for stage 8