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

Statwt Summary Plot

VLASS2.1.sb38602933.eb38631109.59096.27884142361_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 5.35 5.297/6.218 5.593 ± 0.704
ea02 1342 1342/1342 1342 ± 0.0000423 5.886 5.349/6.733 5.904 ± 1.002
ea04 1342 1342/1342 1342 ± 0.00001591 5.356 5.009/6.054 5.373 ± 0.8215
ea05 1342 1342/1342 1342 ± 0.00001634 5.502 5.037/6.289 5.626 ± 0.7846
ea06 1342 1342/1342 1342 ± 0.00002802 4.953 4.638/5.353 4.829 ± 0.6751
ea07 1342 1342/1342 1342 ± 0.00003398 5.926 5.477/6.368 5.873 ± 0.761
ea08 1342 1342/1342 1342 ± 0.0000335 5.983 5.654/6.877 6.19 ± 0.9291
ea09 1342 1342/1342 1342 ± 0.00003457 5.577 5.092/6.533 5.694 ± 0.8481
ea10 1342 1342/1342 1342 ± 0.00003441 5.928 5.348/6.685 5.894 ± 0.8369
ea11 1342 1342/1342 1342 ± 0.00004264 5.758 5.121/6.531 5.601 ± 0.9622
ea12 1342 1342/1342 1342 ± 0.0000268 5.623 5.322/6.55 5.697 ± 1.012
ea13 1342 1342/1342 1342 ± 0.0000298 5.981 5.643/6.466 6.039 ± 0.8243
ea14 1342 1342/1342 1342 ± 0.00002663 5.519 5.103/6.384 5.616 ± 0.809
ea15 1342 1342/1342 1342 ± 0.000007164 5.349 5.111/6.281 5.524 ± 0.9294
ea16 1342 1342/1342 1342 ± 0.00002702 5.855 5.472/6.892 5.983 ± 0.9534
ea17 1342 1342/1342 1342 ± 0.00003609 5.894 5.503/6.899 6.002 ± 0.8798
ea18 1342 1342/1342 1342 ± 0.00003525 5.077 4.744/5.753 5.105 ± 0.6359
ea19 1342 1342/1342 1342 ± 0.00001638 5.786 5.505/6.8 5.994 ± 0.8524
ea20 1342 1342/1342 1342 ± 0.00003471 5.878 5.546/6.984 6.002 ± 1.058
ea21 1342 1342/1342 1342 ± 0.00002221 5.521 5.369/6.359 5.64 ± 0.7968
ea22 1342 1342/1342 1342 ± 0.00003307 5.37 5.169/6.468 5.707 ± 0.788
ea23 1342 1342/1342 1342 ± 0.00003215 5.855 5.489/6.628 5.82 ± 0.8928
ea25 1342 1342/1342 1342 ± 0.00003457 5.554 5.211/6.364 5.617 ± 0.762
ea26 1342 1342/1342 1342 ± 0.00003656 5.903 5.641/6.994 6.101 ± 0.9111
ea27 1342 1342/1342 1342 ± 0.00003383 5.586 5.322/6.47 5.736 ± 0.7855
ea28 1342 1342/1342 1342 ± 0.00004245 5.732 5.397/6.632 5.815 ± 0.9405
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 ± 0.00002349 5.455 5.3/5.767 5.489 ± 0.2831
5 1342 1342/1342 1342 ± 0.00002516 5.321 5.093/5.49 5.315 ± 0.2658
6 1342 1342/1342 1342 ± 0.00002349 5.356 5.12/5.518 5.307 ± 0.2846
7 1342 1342/1342 1342 ± 0.00002349 5.356 5.159/5.544 5.346 ± 0.2765
8 1342 1342/1342 1342 ± 0.00002349 5.349 5.136/5.492 5.301 ± 0.3004
9 1342 1342/1342 1342 ± 0.00002423 5.62 5.443/5.881 5.61 ± 0.2933
10 1342 1342/1342 1342 ± 0.00002349 6.065 5.871/6.246 6.045 ± 0.3335
11 1342 1342/1342 1342 ± 0.00002349 6.383 6.233/6.512 6.325 ± 0.3426
12 1342 1342/1342 1342 ± 0.00002349 6.553 6.368/6.778 6.527 ± 0.372
13 1342 1342/1342 1342 ± 0.00002349 6.908 6.676/7.077 6.841 ± 0.4034
14 1342 1342/1342 1342 ± 0.00002388 6.752 6.465/7.121 6.74 ± 0.5169
15 1342 1342/1342 1342 ± 0.0000245 6.712 6.431/6.974 6.646 ± 0.4842
16 1342 1342/1342 1342 ± 0.0000601 4.056 3.873/4.324 4.098 ± 0.3656
17 1342 1342/1342 1342 ± 0.0000602 4.051 3.852/4.338 4.096 ± 0.3391
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38602933.eb38631109.59096.27884142361_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2024-11-01 20:19:34.710
End
2024-11-01 21:21:44.248
Duration
1:02:09.539
Note, WebLog generation is not included in the time.

CASA logs for stage 8