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

Statwt Summary Plot

VLASS2.1.sb38452360.eb38575738.59077.463367233795_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 5.274 5.181/5.897 5.427 ± 0.7614
ea02 1342 1342/1342 1342 ± 0.00003732 5.928 5.35/6.615 5.885 ± 0.9496
ea04 1342 1342/1342 1342 ± 0.00004322 5.319 5.004/5.899 5.266 ± 0.8059
ea05 1342 1342/1342 1342 ± 0.00001156 5.512 5.136/6.438 5.612 ± 0.8903
ea06 1342 1342/1342 1342 ± 0.00004225 4.855 4.673/5.326 4.746 ± 0.7307
ea07 1342 1342/1342 1342 ± 0.00003609 5.829 5.335/6.194 5.658 ± 0.8487
ea08 1342 1342/1342 1342 ± 0.00003679 6.112 5.565/6.891 6.12 ± 1.036
ea09 1342 1342/1342 1342 ± 0.00002507 5.556 5.151/6.362 5.538 ± 0.8313
ea10 1342 1342/1342 1342 ± 0.00003762 5.679 5.052/6.324 5.518 ± 0.8711
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003927 5.488 5.264/6.133 5.564 ± 0.9078
ea13 1342 1342/1342 1342 ± 0.00002257 5.811 5.671/6.362 5.898 ± 0.8636
ea14 1342 1342/1342 1342 ± 0.00001994 5.759 5.371/6.616 5.735 ± 1.008
ea15 1342 1342/1342 1342 ± 0.00004025 5.47 5.14/6.239 5.442 ± 0.9705
ea16 1342 1342/1342 1342 ± 0.00002161 5.831 5.42/6.603 5.736 ± 1.018
ea17 1342 1342/1342 1342 ± 0.00004259 5.94 5.388/6.53 5.892 ± 0.9516
ea18 1342 1342/1342 1342 ± 0.00003885 4.895 4.731/5.45 4.964 ± 0.6694
ea19 1342 1342/1342 1342 ± 0.00001027 5.738 5.484/6.743 5.865 ± 0.92
ea20 1342 1342/1342 1342 ± 0.00003895 5.844 5.588/6.698 5.887 ± 0.969
ea21 1342 1342/1342 1342 ± 0.0000182 5.629 5.293/6.361 5.594 ± 0.9203
ea22 1342 1342/1342 1342 ± 0.00003157 5.414 5.121/6.431 5.622 ± 0.8824
ea23 1342 1342/1342 1342 ± 0.00003383 5.841 5.423/6.574 5.803 ± 0.9878
ea25 1342 1342/1342 1342 ± 0.00004025 5.554 5.178/6.145 5.534 ± 0.8349
ea27 1342 1342/1342 1342 ± 0.00003891 5.509 5.093/6.357 5.529 ± 0.8569
ea28 1342 1342/1342 1342 ± 0.0000381 5.603 5.373/6.554 5.796 ± 0.9045
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 ± 0.00002501 5.378 5.15/5.562 5.348 ± 0.2615
5 1342 1342/1342 1342 ± 0.00002898 5.353 5.192/5.472 5.332 ± 0.2786
6 1342 1342/1342 1342 ± 0.00002501 5.312 5.161/5.46 5.3 ± 0.2544
7 1342 1342/1342 1342 ± 0.00002501 5.319 5.16/5.454 5.316 ± 0.2261
8 1342 1342/1342 1342 ± 0.00002501 5.362 5.112/5.495 5.303 ± 0.2421
9 1342 1342/1342 1342 ± 0.00002501 5.634 5.448/5.834 5.597 ± 0.2991
10 1342 1342/1342 1342 ± 0.00002501 6.036 5.872/6.109 5.986 ± 0.2974
11 1342 1342/1342 1342 ± 0.00002501 6.291 6.141/6.427 6.275 ± 0.291
12 1342 1342/1342 1342 ± 0.00002501 6.454 6.337/6.61 6.451 ± 0.2943
13 1342 1342/1342 1342 ± 0.00002501 6.731 6.418/6.918 6.64 ± 0.3588
14 1342 1342/1342 1342 ± 0.00003425 6.462 5.989/6.783 6.398 ± 0.5325
15 1342 1342/1342 1342 ± 0.00002701 6.71 6.505/6.952 6.684 ± 0.3833
16 1342 1342/1342 1342 ± 0.00005511 3.506 3.368/3.718 3.542 ± 0.2632
17 1342 1342/1342 1342 ± 0.00005607 3.704 3.54/3.925 3.761 ± 0.3131
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2024-11-02 07:12:27.450
End
2024-11-02 08:00:53.853
Duration
0:48:26.403
Note, WebLog generation is not included in the time.

CASA logs for stage 8