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

Statwt Summary Plot

VLASS2.1.sb38602933.eb38631109.59096.27884142361_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 5.387 5.279/5.967 5.48 ± 0.759
ea02 1342 1342/1342 1342 ± 0.00004145 5.936 5.389/6.561 5.798 ± 0.9716
ea04 1342 1342/1342 1342 ± 0 5.371 5.063/6.118 5.47 ± 0.7893
ea05 1342 1342/1342 1342 ± 0.000007521 5.505 5.064/6.402 5.651 ± 0.7754
ea06 1342 1342/1342 1342 ± 0.000003673 4.974 4.704/5.349 4.86 ± 0.6374
ea07 1342 1342/1342 1342 ± 0.00004159 5.92 5.452/6.377 5.784 ± 0.8719
ea08 1342 1342/1342 1342 ± 0.00004163 6.027 5.564/6.728 5.98 ± 0.9728
ea09 1342 1342/1342 1342 ± 0.00001308 5.577 5.166/6.505 5.647 ± 0.7953
ea10 1342 1342/1342 1342 ± 0.00004228 5.924 5.345/6.585 5.779 ± 0.9241
ea11 1342 1342/1342 1342 ± 0.00004272 5.689 5.154/6.544 5.712 ± 0.9951
ea12 1342 1342/1342 1342 ± 0.00000618 5.661 5.365/6.562 5.772 ± 1.067
ea13 1342 1342/1342 1342 ± 0.00001151 5.944 5.745/6.496 6.022 ± 0.7479
ea14 1342 1342/1342 1342 ± 0.00001194 5.501 5.091/6.446 5.615 ± 0.823
ea15 1342 1342/1342 1342 ± 0.000001149 5.408 5.176/6.292 5.653 ± 0.8879
ea16 1342 1342/1342 1342 ± 0.00002647 5.907 5.521/6.912 5.983 ± 0.9954
ea17 1342 1342/1342 1342 ± 0.000042 5.889 5.549/6.5 5.852 ± 0.9354
ea18 1342 1342/1342 1342 ± 0.0000322 5.097 4.737/5.743 5.084 ± 0.731
ea19 1342 1342/1342 1342 ± 0.000006592 5.757 5.499/6.841 5.994 ± 0.863
ea20 1342 1342/1342 1342 ± 0.00002188 5.938 5.687/7.05 6.063 ± 1.136
ea21 1342 1342/1342 1342 ± 0.0000171 5.508 5.347/6.354 5.636 ± 0.7949
ea22 1342 1342/1342 1342 ± 0.00003196 5.406 5.148/6.382 5.572 ± 0.821
ea23 1342 1342/1342 1342 ± 0.00004134 5.784 5.462/6.664 5.851 ± 0.8781
ea25 1342 1342/1342 1342 ± 0.0000415 5.543 5.244/6.331 5.53 ± 0.8408
ea26 1342 1342/1342 1342 ± 0.00001342 5.924 5.632/7.037 6.099 ± 0.8418
ea27 1342 1342/1342 1342 ± 0.00004271 5.573 5.176/6.468 5.606 ± 0.8674
ea28 1342 1342/1342 1342 ± 0.0000436 5.711 5.423/6.481 5.735 ± 0.9062
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 5.535 5.338/5.81 5.545 ± 0.2743
5 1342 1342/1342 1342 ± 0.00002416 5.415 5.154/5.572 5.389 ± 0.2862
6 1342 1342/1342 1342 ± 0.00002349 5.357 5.154/5.5 5.321 ± 0.2956
7 1342 1342/1342 1342 ± 0.00002349 5.371 5.208/5.517 5.361 ± 0.2743
8 1342 1342/1342 1342 ± 0.00002349 5.341 5.175/5.493 5.322 ± 0.2899
9 1342 1342/1342 1342 ± 0.00002363 5.592 5.439/5.9 5.604 ± 0.3264
10 1342 1342/1342 1342 ± 0.00002349 6.052 5.861/6.242 6.041 ± 0.3347
11 1342 1342/1342 1342 ± 0.00002349 6.366 6.227/6.528 6.324 ± 0.3471
12 1342 1342/1342 1342 ± 0.00002349 6.567 6.364/6.736 6.527 ± 0.3731
13 1342 1342/1342 1342 ± 0.00002358 6.776 6.605/7.073 6.785 ± 0.3975
14 1342 1342/1342 1342 ± 0.00002748 6.585 6.314/7.001 6.625 ± 0.5036
15 1342 1342/1342 1342 ± 0.00002349 6.792 6.576/7.062 6.756 ± 0.4799
16 1342 1342/1342 1342 ± 0.00006094 3.951 3.79/4.24 4.027 ± 0.3045
17 1342 1342/1342 1342 ± 0.00006075 4.061 3.918/4.287 4.111 ± 0.2938
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38602933.eb38631109.59096.27884142361_split_split.ms
overwrite_modelcol
False
Start time
2024-11-01 20:25:23.369
End
2024-11-01 21:34:08.215
Duration
1:08:44.846
Note, WebLog generation is not included in the time.

CASA logs for stage 8