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 5.341 5.26/5.951 5.419 ± 0.8136
ea02 1342 1342/1342 1342 ± 0.00004221 5.798 5.383/6.432 5.712 ± 0.9786
ea05 1342 1342/1342 1342 ± 0.00001902 5.543 5.151/6.594 5.727 ± 0.8321
ea06 1342 1342/1342 1342 ± 0.000005967 4.938 4.838/5.447 4.98 ± 0.5779
ea07 1342 1342/1342 1342 ± 0.00004211 5.742 5.342/6.038 5.567 ± 0.8109
ea08 1342 1342/1342 1342 ± 0.00004219 5.93 5.668/6.773 5.971 ± 1.042
ea09 1342 1342/1342 1342 ± 0.00001351 3.878 3.323/5.806 4.455 ± 1.177
ea10 1342 1342/1342 1342 ± 0.00004261 5.342 5.055/6.281 5.507 ± 0.8458
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.000003386 5.775 5.437/6.671 5.877 ± 0.9969
ea13 1342 1342/1342 1342 ± 0.00001478 5.871 5.705/6.398 5.898 ± 0.7653
ea14 1342 1342/1342 1342 ± 0.00001743 6.594 5.908/6.946 6.097 ± 1.113
ea15 1342 1342/1342 1342 ± 0 5.368 5.224/6.302 5.651 ± 0.8904
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00004231 5.929 5.612/6.667 5.895 ± 1.01
ea18 1342 1342/1342 1342 ± 0.00002756 4.983 4.688/5.845 5.104 ± 0.7716
ea19 1342 1342/1342 1342 ± 0.00001 5.723 5.432/6.751 5.906 ± 0.8746
ea20 1342 1342/1342 1342 ± 0.00001659 5.994 5.83/7.159 6.127 ± 1.088
ea21 1342 1342/1342 1342 ± 0.00002919 5.565 5.352/6.417 5.704 ± 0.8443
ea22 1342 1342/1342 1342 ± 0.00003211 5.363 5.109/6.292 5.464 ± 0.8771
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.405 5.331/5.42 5.383 ± 0.1712
ea26 1342 1342/1342 1342 ± 0.00001503 5.667 5.505/6.624 5.79 ± 0.8191
ea27 1342 1342/1342 1342 ± 0.00004476 5.527 5.175/6.422 5.584 ± 0.8838
ea28 1342 1342/1342 1342 ± 0.0000544 6.548 5.706/6.693 5.906 ± 1.265
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 5.42 5.187/5.726 5.393 ± 0.5062
3 1342 1342/1342 1342 ± 0.00002661 5.518 5.121/5.731 5.367 ± 0.5637
5 1342 1342/1342 1342 ± 0.00002692 5.407 5.277/5.603 5.308 ± 0.5557
6 1342 1342/1342 1342 ± 0.00002662 5.374 5.099/5.503 5.255 ± 0.5288
7 1342 1342/1342 1342 ± 0.00002662 5.378 5.123/5.587 5.271 ± 0.5129
8 1342 1342/1342 1342 ± 0.00002662 5.367 5.059/5.425 5.198 ± 0.5199
9 1342 1342/1342 1342 ± 0.00002662 5.618 5.378/5.839 5.492 ± 0.6007
10 1342 1342/1342 1342 ± 0.00002601 6.09 5.836/6.154 6.004 ± 0.3557
11 1342 1342/1342 1342 ± 0.00002601 6.376 6.292/6.512 6.308 ± 0.3697
12 1342 1342/1342 1342 ± 0.00002601 6.622 6.278/6.68 6.485 ± 0.3867
13 1342 1342/1342 1342 ± 0.00002601 6.728 6.344/7.031 6.694 ± 0.4338
14 1342 1342/1342 1342 ± 0.00003287 6.542 6.184/6.986 6.576 ± 0.5402
15 1342 1342/1342 1342 ± 0.00002601 6.774 6.624/7.103 6.725 ± 0.4883
16 1342 1342/1342 1342 ± 0.00006096 3.89 3.739/4.189 3.959 ± 0.2824
17 1342 1342/1342 1342 ± 0.00006063 3.916 3.784/4.163 3.971 ± 0.25
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2024-04-22 08:09:08.451
End
2024-04-22 09:10:58.389
Duration
1:01:49.938
Note, WebLog generation is not included in the time.

CASA logs for stage 7