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 5.354 5.281/6.051 5.564 ± 0.6779
ea02 1342 1342/1342 1342 ± 0.00004238 5.915 5.362/6.757 5.848 ± 1.06
ea04 1342 1342/1342 1342 ± 0.00001018 5.34 5.009/5.982 5.369 ± 0.8436
ea05 1342 1342/1342 1342 ± 0 5.516 5.037/6.317 5.592 ± 0.781
ea06 1342 1342/1342 1342 ± 0.00001808 4.924 4.63/5.354 4.799 ± 0.7251
ea07 1342 1342/1342 1342 ± 0.00003485 5.922 5.486/6.289 5.832 ± 0.7483
ea08 1342 1342/1342 1342 ± 0.00003471 5.977 5.642/6.877 6.134 ± 0.9089
ea09 1342 1342/1342 1342 ± 0.00003165 5.565 5.088/6.528 5.663 ± 0.8413
ea10 1342 1342/1342 1342 ± 0.00003561 5.924 5.332/6.661 5.863 ± 0.8338
ea11 1342 1342/1342 1342 ± 0.00004272 5.755 5.116/6.53 5.619 ± 0.9671
ea12 1342 1342/1342 1342 ± 0.00001782 5.665 5.326/6.563 5.684 ± 1.067
ea13 1342 1342/1342 1342 ± 0.00002167 6.075 5.648/6.483 6.042 ± 0.8352
ea14 1342 1342/1342 1342 ± 0.0000156 5.438 5.09/6.375 5.554 ± 0.8225
ea15 1342 1342/1342 1342 ± 0.000007064 5.334 5.124/6.288 5.536 ± 0.9457
ea16 1342 1342/1342 1342 ± 0.00001556 5.86 5.445/6.855 5.903 ± 0.9616
ea17 1342 1342/1342 1342 ± 0.00003636 5.893 5.54/6.709 5.982 ± 0.8583
ea18 1342 1342/1342 1342 ± 0.00003032 5.085 4.743/5.742 5.112 ± 0.647
ea19 1342 1342/1342 1342 ± 0.000007644 5.776 5.5/6.82 5.94 ± 0.8514
ea20 1342 1342/1342 1342 ± 0.00003299 5.85 5.583/6.944 5.978 ± 1.14
ea21 1342 1342/1342 1342 ± 0.000005604 5.512 5.358/6.276 5.589 ± 0.7887
ea22 1342 1342/1342 1342 ± 0.00002269 5.375 5.204/6.47 5.687 ± 0.7869
ea23 1342 1342/1342 1342 ± 0.00002975 5.848 5.482/6.419 5.749 ± 0.869
ea25 1342 1342/1342 1342 ± 0.00003469 5.547 5.225/6.324 5.608 ± 0.7542
ea26 1342 1342/1342 1342 ± 0.00002423 5.902 5.618/6.952 6.099 ± 0.8963
ea27 1342 1342/1342 1342 ± 0.00003619 5.583 5.376/6.465 5.693 ± 0.7988
ea28 1342 1342/1342 1342 ± 0.00004306 5.684 5.381/6.632 5.763 ± 0.9089
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 ± 0.00002348 5.474 5.309/5.728 5.494 ± 0.276
5 1342 1342/1342 1342 ± 0.00002516 5.344 5.087/5.498 5.32 ± 0.2719
6 1342 1342/1342 1342 ± 0.00002348 5.351 5.115/5.512 5.3 ± 0.2868
7 1342 1342/1342 1342 ± 0.00002348 5.359 5.174/5.532 5.345 ± 0.2775
8 1342 1342/1342 1342 ± 0.00002348 5.331 5.14/5.49 5.3 ± 0.2998
9 1342 1342/1342 1342 ± 0.00002423 5.602 5.433/5.894 5.604 ± 0.3011
10 1342 1342/1342 1342 ± 0.00002348 6.066 5.858/6.255 6.039 ± 0.3381
11 1342 1342/1342 1342 ± 0.00002348 6.387 6.229/6.532 6.324 ± 0.3441
12 1342 1342/1342 1342 ± 0.00002348 6.553 6.374/6.765 6.526 ± 0.3712
13 1342 1342/1342 1342 ± 0.00002349 6.803 6.609/7.044 6.784 ± 0.3914
14 1342 1342/1342 1342 ± 0.00002675 6.631 6.261/7.024 6.614 ± 0.5191
15 1342 1342/1342 1342 ± 0.00002404 6.695 6.418/6.968 6.629 ± 0.4894
16 1342 1342/1342 1342 ± 0.00006061 3.919 3.738/4.176 3.967 ± 0.3516
17 1342 1342/1342 1342 ± 0.00006097 4.035 3.866/4.232 4.046 ± 0.3345
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38602933.eb38631109.59096.27884142361_split_split.ms
Start time
2024-11-01 22:48:28.075
End
2024-11-01 23:47:48.117
Duration
0:59:20.043
Note, WebLog generation is not included in the time.

CASA logs for stage 8