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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.599 5.518/6.332 5.912 ± 0.602
ea02 1342 1342/1342 1342 ± 0.0000415 6.147 5.66/6.814 6.269 ± 0.6419
ea03 1342 1342/1342 1342 ± 0 5.77 5.039/6.227 5.682 ± 0.6058
ea04 1342 1342/1342 1342 ± 0 5.628 5.216/6.171 5.695 ± 0.5547
ea05 1342 1342/1342 1342 ± 0 6.186 5.6/6.665 6.026 ± 0.6767
ea06 1342 1342/1342 1342 ± 0 4.881 4.841/4.92 4.872 ± 0.1504
ea07 1342 1342/1342 1342 ± 0 6.142 5.716/6.502 6.231 ± 0.6147
ea08 1342 1342/1342 1342 ± 0 6.173 5.753/6.964 6.333 ± 0.6987
ea09 1342 1342/1342 1342 ± 0 6.001 5.462/6.726 6.053 ± 0.7119
ea10 1342 1342/1342 1342 ± 0.00000312 6.069 5.559/6.78 6.143 ± 0.6855
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.077 5.525/6.505 6.08 ± 0.6983
ea13 1342 1342/1342 1342 ± 0 6.607 6.094/6.818 6.426 ± 0.6589
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.199 5.703/6.644 6.261 ± 0.6788
ea16 1342 1342/1342 1342 ± 0 6.451 5.971/7.012 6.501 ± 0.7763
ea17 1342 1342/1342 1342 ± 0 6.688 6.053/7.287 6.7 ± 0.6862
ea18 1342 1342/1342 1342 ± 0 5.25 4.846/5.69 5.285 ± 0.5328
ea19 1342 1342/1342 1342 ± 0 6.285 5.641/6.778 6.212 ± 0.6295
ea20 1342 1342/1342 1342 ± 0 6.114 5.638/6.749 6.127 ± 0.6863
ea21 1342 1342/1342 1342 ± 0 6.034 5.687/6.608 6.127 ± 0.6393
ea22 1342 1342/1342 1342 ± 0 6.042 5.525/6.501 5.986 ± 0.5693
ea23 1342 1342/1342 1342 ± 0 6.308 5.731/6.765 6.283 ± 0.6959
ea24 1342 1342/1342 1342 ± 0 6.218 5.694/6.812 6.179 ± 0.6979
ea25 1342 1342/1342 1342 ± 0 5.87 5.447/6.396 5.926 ± 0.6266
ea26 1342 1342/1342 1342 ± 0 6.648 5.988/7.278 6.581 ± 0.76
ea27 1342 1342/1342 1342 ± 0 5.722 5.593/6.566 5.967 ± 0.6392
ea28 1342 1342/1342 1342 ± 0 5.768 5.454/6.455 5.927 ± 0.6427
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 ± 0.00002385 5.684 5.419/5.791 5.592 ± 0.322
4 1342 1342/1342 1342 ± 0.00002588 4.896 4.694/5.14 4.886 ± 0.2328
5 1342 1342/1342 1342 ± 0.00002385 5.599 5.388/5.762 5.564 ± 0.3413
6 1342 1342/1342 1342 ± 0.00002385 5.592 5.435/5.73 5.543 ± 0.3387
7 1342 1342/1342 1342 ± 0.00002385 5.617 5.406/5.715 5.559 ± 0.3141
8 1342 1342/1342 1342 ± 0.00002385 5.501 5.307/5.708 5.477 ± 0.3484
9 1342 1342/1342 1342 ± 0.00002385 5.724 5.538/6.094 5.752 ± 0.3857
10 1342 1342/1342 1342 ± 0.00002431 6.274 6.088/6.491 6.249 ± 0.3406
11 1342 1342/1342 1342 ± 0.00002431 6.563 6.349/6.651 6.474 ± 0.3277
12 1342 1342/1342 1342 ± 0.00002431 6.625 6.491/6.793 6.641 ± 0.3597
13 1342 1342/1342 1342 ± 0.00002431 7.116 6.987/7.223 7.083 ± 0.3704
14 1342 1342/1342 1342 ± 0.00002431 7.24 7.063/7.534 7.25 ± 0.3974
15 1342 1342/1342 1342 ± 0.00002431 6.805 6.539/7.012 6.797 ± 0.3628
16 1342 1342/1342 1342 ± 0.00002493 6.197 5.942/6.446 6.22 ± 0.3744
17 1342 1342/1342 1342 ± 0.00002481 6.231 6.043/6.423 6.259 ± 0.3508
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
overwrite_modelcol
False
Start time
2025-01-31 01:35:32.932
End
2025-01-31 02:07:00.305
Duration
0:31:27.373
Note, WebLog generation is not included in the time.

CASA logs for stage 8