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

Statwt Summary Plot

VLASS2.1.sb38520431.eb38554942.59063.924480127316_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 5.485 5.307/5.923 5.655 ± 0.4989
ea02 1342 1342/1342 1342 ± 0 5.726 5.431/6.387 5.94 ± 0.5735
ea04 1342 1342/1342 1342 ± 0 5.633 5.269/6.224 5.77 ± 0.5202
ea05 1342 1342/1342 1342 ± 0 5.805 5.36/6.085 5.766 ± 0.4761
ea06 1342 1342/1342 1342 ± 0 2.969 2.915/3.23 3.064 ± 0.189
ea07 1342 1342/1342 1342 ± 0 5.483 5.366/5.744 5.531 ± 0.2093
ea08 1342 1342/1342 1342 ± 0 5.694 5.431/6.366 5.911 ± 0.5589
ea09 1342 1342/1342 1342 ± 0 4.752 4.611/5.191 4.85 ± 0.303
ea10 1342 1342/1342 1342 ± 0 5.453 5.242/6.218 5.698 ± 0.5073
ea11 1342 1342/1342 1342 ± 0 5.789 5.495/6.389 5.948 ± 0.5294
ea12 1342 1342/1342 1342 ± 0 5.673 5.259/5.948 5.664 ± 0.3946
ea13 1342 1342/1342 1342 ± 0 6.054 5.751/6.219 6.083 ± 0.4209
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea16 1342 1342/1342 1342 ± 0 5.044 4.975/5.161 5.074 ± 0.2236
ea17 1342 1342/1342 1342 ± 0.00001017 6.005 5.741/6.473 6.146 ± 0.5224
ea18 1342 1342/1342 1342 ± 0 5.105 4.818/5.432 5.136 ± 0.3714
ea19 1342 1342/1342 1342 ± 0 6.258 5.95/6.531 6.272 ± 0.3259
ea21 1342 1342/1342 1342 ± 0 5.842 5.52/6.331 5.96 ± 0.5061
ea22 1342 1342/1342 1342 ± 0 5.216 5.069/5.863 5.442 ± 0.4716
ea23 1342 1342/1342 1342 ± 0 6.12 5.536/6.519 6.085 ± 0.6222
ea25 1342 1342/1342 1342 ± 0.000001513 5.409 5.361/5.577 5.426 ± 0.1694
ea26 1342 1342/1342 1342 ± 0 5.525 5.394/6.099 5.708 ± 0.403
ea27 1342 1342/1342 1342 ± 0.000008469 5.392 5.194/6.08 5.586 ± 0.472
ea28 1342 1342/1342 1342 ± 0.000006755 5.687 5.441/6.399 5.901 ± 0.5797
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 ± 0.00002601 5.563 5.333/5.682 5.472 ± 0.3027
3 1342 1342/1342 1342 ± 0.00003157 5.348 5.082/5.72 5.389 ± 0.3363
4 1342 1342/1342 1342 ± 0.00002633 5.291 5.158/5.497 5.294 ± 0.2996
5 1342 1342/1342 1342 ± 0.00002601 5.369 5.206/5.529 5.35 ± 0.2885
6 1342 1342/1342 1342 ± 0.00002601 5.329 5.209/5.418 5.287 ± 0.2669
7 1342 1342/1342 1342 ± 0.00002601 5.372 5.222/5.483 5.323 ± 0.2593
8 1342 1342/1342 1342 ± 0.00002601 5.373 5.068/5.441 5.269 ± 0.3111
9 1342 1342/1342 1342 ± 0.00002601 5.665 5.298/5.753 5.51 ± 0.3751
10 1342 1342/1342 1342 ± 0.00002601 5.845 5.684/6.09 5.703 ± 0.6456
11 1342 1342/1342 1342 ± 0.00002601 6.09 5.811/6.299 5.849 ± 0.7682
12 1342 1342/1342 1342 ± 0.00002601 6.167 5.952/6.351 5.97 ± 0.7862
13 1342 1342/1342 1342 ± 0.00002601 6.599 6.318/6.803 6.312 ± 0.8518
14 1342 1342/1342 1342 ± 0.00002601 6.64 6.419/7.008 6.463 ± 0.8709
15 1342 1342/1342 1342 ± 0.00002601 6.277 6.052/6.617 6.089 ± 0.8661
16 1342 1342/1342 1342 ± 0.00002801 5.545 5.146/5.956 5.435 ± 0.7186
17 1342 1342/1342 1342 ± 0.00002675 5.503 5.253/5.868 5.462 ± 0.7048
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2024-03-29 11:02:30.859
End
2024-03-29 12:19:11.642
Duration
1:16:40.783
Note, WebLog generation is not included in the time.

CASA logs for stage 7