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

Statwt Summary Plot

VLASS2.1.sb38508014.eb38518655.59051.788119143515_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 5.353 5.166/6.173 5.54 ± 0.7133
ea02 1342 1342/1342 1342 ± 0.00003568 5.847 5.348/6.563 5.9 ± 0.7515
ea04 1342 1342/1342 1342 ± 0 5.147 4.951/5.988 5.403 ± 0.6237
ea05 1342 1342/1342 1342 ± 0.000006792 5.442 5.092/6.414 5.701 ± 0.6939
ea06 1342 1342/1342 1342 ± 0.000002267 4.878 4.497/5.573 5.029 ± 0.5561
ea07 1342 1342/1342 1342 ± 0.00004272 5.739 5.168/6.161 5.72 ± 0.7592
ea08 1342 1342/1342 1342 ± 0.00004404 5.821 5.526/6.621 5.934 ± 0.8175
ea09 1342 1342/1342 1342 ± 0.00003762 5.191 4.99/5.907 5.309 ± 0.6842
ea10 1342 1342/1342 1342 ± 0.00004272 4.946 4.624/5.619 5.061 ± 0.5515
ea11 1342 1342/1342 1342 ± 0.00003786 5.768 5.23/6.555 5.819 ± 0.8703
ea12 1342 1342/1342 1342 ± 0 5.447 5.198/6.107 5.569 ± 0.7773
ea13 1342 1342/1342 1342 ± 0.00003093 5.764 5.631/6.248 5.78 ± 0.6937
ea14 1342 1342/1342 1342 ± 0.000008464 5.654 5.275/6.603 5.904 ± 0.7412
ea15 1342 1342/1342 1342 ± 0 5.42 5.173/6.334 5.71 ± 0.7913
ea16 1342 1342/1342 1342 ± 0.00001758 5.629 5.458/6.455 5.934 ± 0.7897
ea17 1342 1342/1342 1342 ± 0.00004404 5.727 5.395/6.416 5.82 ± 0.818
ea18 1342 1342/1342 1342 ± 0.00001568 4.937 4.687/5.717 5.08 ± 0.6139
ea19 1342 1342/1342 1342 ± 0.000005066 5.667 5.442/6.726 5.974 ± 0.7227
ea20 1342 1342/1342 1342 ± 0.000007676 5.84 5.471/6.7 5.958 ± 0.8554
ea21 1342 1342/1342 1342 ± 0.0000125 5.372 5.225/6.271 5.644 ± 0.6748
ea22 1342 1342/1342 1342 ± 0.00004272 5.441 5.219/6.445 5.652 ± 0.7669
ea23 1342 1342/1342 1342 ± 0.00004184 5.832 5.292/6.584 5.94 ± 0.8487
ea24 1342 1342/1342 1342 ± 0.00001909 5.069 4.966/6.165 5.396 ± 0.6698
ea25 1342 1342/1342 1342 ± 0.00004404 5.269 5.179/6.126 5.504 ± 0.7437
ea26 1342 1342/1342 1342 ± 0.0000155 5.671 5.554/6.743 5.94 ± 0.8286
ea27 1342 1342/1342 1342 ± 0.00004404 5.559 5.162/6.454 5.652 ± 0.7881
ea28 1342 1342/1342 1342 ± 0.00004278 5.658 5.378/6.635 5.864 ± 0.8116
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 ± 0.00002315 5.494 5.213/5.633 5.385 ± 0.3136
5 1342 1342/1342 1342 ± 0.00002315 5.2 4.971/5.388 5.171 ± 0.3277
6 1342 1342/1342 1342 ± 0.00002315 5.318 5.103/5.481 5.288 ± 0.2834
7 1342 1342/1342 1342 ± 0.00002315 5.304 5.139/5.482 5.289 ± 0.27
8 1342 1342/1342 1342 ± 0.00002315 5.34 5.052/5.468 5.25 ± 0.3101
9 1342 1342/1342 1342 ± 0.00002315 5.571 5.353/5.835 5.526 ± 0.3151
10 1342 1342/1342 1342 ± 0.00002315 6.042 5.794/6.16 5.949 ± 0.3185
11 1342 1342/1342 1342 ± 0.00002315 6.332 6.033/6.451 6.224 ± 0.3224
12 1342 1342/1342 1342 ± 0.00002315 6.445 6.215/6.615 6.393 ± 0.3559
13 1342 1342/1342 1342 ± 0.00002315 6.821 6.436/7.028 6.735 ± 0.4309
14 1342 1342/1342 1342 ± 0.00002982 6.867 6.463/7.114 6.731 ± 0.4874
15 1342 1342/1342 1342 ± 0.00002315 6.693 6.441/6.92 6.619 ± 0.4245
16 1342 1342/1342 1342 ± 0.00006102 4.497 4.347/4.651 4.523 ± 0.2551
17 1342 1342/1342 1342 ± 0.000061 4.475 4.319/4.636 4.505 ± 0.26
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.1.sb38508014.eb38518655.59051.788119143515_split_split.ms
overwrite_modelcol
False
Start time
2025-02-01 05:27:43.925
End
2025-02-01 05:58:30.507
Duration
0:30:46.582
Note, WebLog generation is not included in the time.

CASA logs for stage 8