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

Statwt Summary Plot

VLASS2.1.sb38504727.eb38659863.59113.352947384265_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 5.71 5.521/6.558 6.016 ± 0.6544
ea02 1342 1342/1342 1342 ± 0.00005225 5.646 5.267/6.565 5.953 ± 0.768
ea04 1342 1342/1342 1342 ± 0.00003063 5.583 5.253/6.17 5.749 ± 0.595
ea05 1342 1342/1342 1342 ± 0.00001049 5.654 5.22/6.574 5.875 ± 0.7181
ea06 1342 1342/1342 1342 ± 0.00003449 5.034 4.907/5.801 5.366 ± 0.5144
ea07 1342 1342/1342 1342 ± 0.0000393 5.935 5.62/6.492 6.194 ± 0.67
ea08 1342 1342/1342 1342 ± 0.00004398 6.147 5.467/6.898 6.231 ± 0.83
ea09 1342 1342/1342 1342 ± 0.00003012 5.568 5.359/6.652 5.957 ± 0.7156
ea10 1342 1342/1342 1342 ± 0.00004371 6.057 5.616/7.088 6.296 ± 0.8199
ea11 1342 1342/1342 1342 ± 0.00004265 6.001 5.51/6.97 6.277 ± 0.8647
ea12 1342 1342/1342 1342 ± 0.00003562 6.025 5.645/6.749 6.186 ± 0.7644
ea13 1342 1342/1342 1342 ± 0.00002031 5.811 5.586/6.441 6.109 ± 0.6968
ea14 1342 1342/1342 1342 ± 0.00003696 5.393 5.147/6.381 5.8 ± 0.734
ea15 1342 1342/1342 1342 ± 0.00002632 5.533 5.432/6.573 5.994 ± 0.7228
ea16 1342 1342/1342 1342 ± 0.0000172 5.705 5.432/6.92 6.142 ± 0.9331
ea17 1342 1342/1342 1342 ± 0.00004452 6.132 5.812/7.389 6.467 ± 0.8626
ea18 1342 1342/1342 1342 ± 0.00004388 5.468 5.109/6.029 5.536 ± 0.5566
ea19 1342 1342/1342 1342 ± 0.00001332 5.842 5.753/6.875 6.212 ± 0.7197
ea20 1342 1342/1342 1342 ± 0.00004056 6.129 5.917/7.253 6.471 ± 0.8159
ea21 1342 1342/1342 1342 ± 0.00002879 5.671 5.196/6.564 5.914 ± 0.7507
ea22 1342 1342/1342 1342 ± 0.0000406 5.286 5.102/6.452 5.76 ± 0.8188
ea23 1342 1342/1342 1342 ± 0.00003207 5.687 5.51/6.591 6.1 ± 0.7458
ea25 1342 1342/1342 1342 ± 0.00003893 5.839 5.727/6.752 6.188 ± 0.7191
ea26 1342 1342/1342 1342 ± 0.00002912 5.92 5.788/6.96 6.255 ± 0.7221
ea27 1342 1342/1342 1342 ± 0.00004359 5.811 5.497/6.904 6.157 ± 0.7213
ea28 1342 1342/1342 1342 ± 0.0000435 5.965 5.715/6.802 6.206 ± 0.7498
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 ± 0.00002352 5.581 5.26/5.789 5.521 ± 0.3561
5 1342 1342/1342 1342 ± 0.00004037 5.478 5.342/5.675 5.516 ± 0.2485
6 1342 1342/1342 1342 ± 0.00002397 5.522 5.358/5.764 5.525 ± 0.2442
7 1342 1342/1342 1342 ± 0.00002352 5.536 5.361/5.749 5.543 ± 0.285
8 1342 1342/1342 1342 ± 0.00002352 5.499 5.275/5.707 5.494 ± 0.3174
9 1342 1342/1342 1342 ± 0.00002725 5.687 5.396/5.854 5.639 ± 0.3035
10 1342 1342/1342 1342 ± 0.00002352 6.281 6.09/6.467 6.268 ± 0.3052
11 1342 1342/1342 1342 ± 0.00002352 6.528 6.359/6.734 6.518 ± 0.3176
12 1342 1342/1342 1342 ± 0.00002397 6.698 6.475/6.909 6.671 ± 0.3558
13 1342 1342/1342 1342 ± 0.00002352 7.144 6.941/7.33 7.107 ± 0.3468
14 1342 1342/1342 1342 ± 0.00002352 7.341 7.083/7.487 7.272 ± 0.3705
15 1342 1342/1342 1342 ± 0.00002421 6.951 6.719/7.047 6.847 ± 0.388
16 1342 1342/1342 1342 ± 0.00005615 5.039 4.94/5.13 5.028 ± 0.1542
17 1342 1342/1342 1342 ± 0.0000591 5.266 5.138/5.388 5.254 ± 0.191
output_dir
 
vis
VLASS2.1.sb38504727.eb38659863.59113.352947384265_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-01-07 07:55:38.382
End
2025-01-07 08:54:06.075
Duration
0:58:27.694
Note, WebLog generation is not included in the time.

CASA logs for stage 8