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

Statwt Summary Plot

VLASS2.1.sb38617989.eb38636486.59099.9471230787_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 5.332 5.008/5.772 5.459 ± 0.529
ea02 1342 1342/1342 1342 ± 0 5.491 5.157/6.239 5.737 ± 0.6431
ea04 1342 1342/1342 1342 ± 0 5.197 4.897/5.873 5.408 ± 0.5696
ea05 1342 1342/1342 1342 ± 0 5.426 5.059/5.943 5.533 ± 0.5957
ea06 1342 1342/1342 1342 ± 0 4.927 4.544/5.434 5.005 ± 0.5139
ea07 1342 1342/1342 1342 ± 0 5.709 5.164/6.01 5.71 ± 0.5798
ea08 1342 1342/1342 1342 ± 0 5.595 5.238/6.358 5.842 ± 0.6591
ea09 1342 1342/1342 1342 ± 0 5.395 5.037/6.068 5.541 ± 0.6185
ea10 1342 1342/1342 1342 ± 0 5.676 5.023/6.315 5.671 ± 0.6773
ea11 1342 1342/1342 1342 ± 0 5.576 4.935/6.077 5.575 ± 0.6526
ea12 1342 1342/1342 1342 ± 0 5.486 5.074/6.163 5.683 ± 0.6563
ea13 1342 1342/1342 1342 ± 0 5.762 5.502/6.131 5.892 ± 0.5003
ea14 1342 1342/1342 1342 ± 0 5.52 4.99/6.118 5.605 ± 0.6743
ea15 1342 1342/1342 1342 ± 0 5.338 4.861/6.021 5.485 ± 0.6874
ea16 1342 1342/1342 1342 ± 0 5.857 5.389/6.513 6.005 ± 0.727
ea17 1342 1342/1342 1342 ± 0 5.674 5.294/6.212 5.798 ± 0.6171
ea18 1342 1342/1342 1342 ± 0 4.772 4.504/5.278 4.911 ± 0.5086
ea19 1342 1342/1342 1342 ± 0 5.712 5.281/6.465 5.923 ± 0.6581
ea20 1342 1342/1342 1342 ± 0 5.876 5.465/6.547 6.027 ± 0.6629
ea21 1342 1342/1342 1342 ± 0 5.48 5.129/5.992 5.595 ± 0.5588
ea22 1342 1342/1342 1342 ± 0 5.307 4.94/5.997 5.497 ± 0.6662
ea23 1342 1342/1342 1342 ± 0 5.739 5.167/6.219 5.817 ± 0.6893
ea25 1342 1342/1342 1342 ± 0 5.274 4.929/5.795 5.406 ± 0.5539
ea26 1342 1342/1342 1342 ± 0 5.754 5.371/6.651 5.899 ± 0.6593
ea27 1342 1342/1342 1342 ± 0 5.317 4.963/6.133 5.514 ± 0.5926
ea28 1342 1342/1342 1342 ± 0.00002104 5.424 5.128/6.156 5.639 ± 0.6417
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 5.074 4.937/5.303 5.09 ± 0.2403
3 1342 1342/1342 1342 ± 0.00002349 5.058 4.882/5.211 5.047 ± 0.249
4 1342 1342/1342 1342 ± 0.00002352 4.95 4.771/5.133 4.939 ± 0.2962
5 1342 1342/1342 1342 ± 0.00002349 5.067 4.825/5.178 5.04 ± 0.2971
6 1342 1342/1342 1342 ± 0.00002349 5.08 4.873/5.287 5.069 ± 0.2776
7 1342 1342/1342 1342 ± 0.00002349 5.118 4.943/5.226 5.098 ± 0.2467
8 1342 1342/1342 1342 ± 0.00002349 5.125 4.891/5.247 5.071 ± 0.2649
9 1342 1342/1342 1342 ± 0.00002349 5.367 5.229/5.592 5.36 ± 0.2978
10 1342 1342/1342 1342 ± 0.00002349 5.817 5.64/5.981 5.781 ± 0.2922
11 1342 1342/1342 1342 ± 0.00002349 6.078 5.868/6.192 6 ± 0.3021
12 1342 1342/1342 1342 ± 0.00002349 6.163 5.91/6.35 6.092 ± 0.4401
13 1342 1342/1342 1342 ± 0.00002349 6.585 6.497/6.73 6.583 ± 0.3305
14 1342 1342/1342 1342 ± 0.00002349 6.806 6.604/6.97 6.766 ± 0.3586
15 1342 1342/1342 1342 ± 0.00002349 6.501 6.269/6.711 6.437 ± 0.3451
16 1342 1342/1342 1342 ± 0.00002447 5.79 5.491/5.994 5.784 ± 0.3475
17 1342 1342/1342 1342 ± 0.00002757 5.785 5.515/6.053 5.796 ± 0.345
datacolumn
residual_data
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-01-08 16:54:23.758
End
2025-01-08 18:08:49.012
Duration
1:14:25.254
Note, WebLog generation is not included in the time.

CASA logs for stage 8