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 5.725 5.678/6.512 6.069 ± 0.6452
ea02 1342 1342/1342 1342 ± 0.0000415 6.303 5.828/6.996 6.439 ± 0.7154
ea03 1342 1342/1342 1342 ± 0 5.881 5.093/6.31 5.754 ± 0.6614
ea04 1342 1342/1342 1342 ± 0 5.882 5.469/6.536 5.973 ± 0.6336
ea05 1342 1342/1342 1342 ± 0 6.18 5.697/6.819 6.134 ± 0.738
ea06 1342 1342/1342 1342 ± 0 5.124 4.948/5.503 5.235 ± 0.343
ea07 1342 1342/1342 1342 ± 0 6.248 5.877/6.709 6.387 ± 0.7184
ea08 1342 1342/1342 1342 ± 0 6.253 5.829/7.082 6.44 ± 0.7755
ea09 1342 1342/1342 1342 ± 0 6.096 5.52/6.829 6.156 ± 0.7764
ea10 1342 1342/1342 1342 ± 0 6.234 5.716/7.092 6.325 ± 0.7499
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.275 5.657/6.746 6.266 ± 0.7671
ea13 1342 1342/1342 1342 ± 0 6.611 6.061/6.891 6.446 ± 0.6673
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.364 5.812/6.884 6.417 ± 0.745
ea16 1342 1342/1342 1342 ± 0 6.495 5.996/7.12 6.519 ± 0.8205
ea17 1342 1342/1342 1342 ± 0 6.455 6.199/7.513 6.776 ± 0.7393
ea18 1342 1342/1342 1342 ± 0 5.358 4.945/5.818 5.378 ± 0.5913
ea19 1342 1342/1342 1342 ± 0 6.335 5.768/6.982 6.327 ± 0.6937
ea20 1342 1342/1342 1342 ± 0 6.336 5.728/6.939 6.28 ± 0.7376
ea21 1342 1342/1342 1342 ± 0 5.933 5.72/6.732 6.16 ± 0.6845
ea22 1342 1342/1342 1342 ± 0 6.215 5.492/6.544 6.054 ± 0.6421
ea23 1342 1342/1342 1342 ± 0 6.121 5.774/6.948 6.371 ± 0.7828
ea24 1342 1342/1342 1342 ± 0 6.339 5.741/6.962 6.324 ± 0.7354
ea25 1342 1342/1342 1342 ± 0 5.875 5.595/6.54 6.076 ± 0.6645
ea26 1342 1342/1342 1342 ± 0 6.755 6.042/7.439 6.733 ± 0.7876
ea27 1342 1342/1342 1342 ± 0 5.96 5.636/6.876 6.178 ± 0.6963
ea28 1342 1342/1342 1342 ± 0 6.014 5.585/6.655 6.082 ± 0.6877
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 5.635 5.44/5.851 5.58 ± 0.3117
4 1342 1342/1342 1342 ± 0.0000255 4.965 4.78/5.118 4.917 ± 0.2597
5 1342 1342/1342 1342 ± 0.00002348 5.722 5.491/5.891 5.687 ± 0.3612
6 1342 1342/1342 1342 ± 0.00002348 5.693 5.516/5.883 5.641 ± 0.3346
7 1342 1342/1342 1342 ± 0.00002348 5.74 5.59/5.826 5.676 ± 0.3163
8 1342 1342/1342 1342 ± 0.00002348 5.654 5.482/5.823 5.604 ± 0.353
9 1342 1342/1342 1342 ± 0.00002348 5.91 5.682/6.254 5.888 ± 0.3902
10 1342 1342/1342 1342 ± 0.00002348 6.433 6.235/6.642 6.364 ± 0.3767
11 1342 1342/1342 1342 ± 0.00002348 6.632 6.469/6.808 6.59 ± 0.3838
12 1342 1342/1342 1342 ± 0.00002348 6.818 6.611/6.985 6.759 ± 0.4334
13 1342 1342/1342 1342 ± 0.00002348 7.292 7.144/7.465 7.236 ± 0.4663
14 1342 1342/1342 1342 ± 0.00002348 7.491 7.297/7.816 7.446 ± 0.5074
15 1342 1342/1342 1342 ± 0.00002348 6.998 6.806/7.297 6.966 ± 0.486
16 1342 1342/1342 1342 ± 0.00002392 6.246 6.028/6.472 6.23 ± 0.3815
17 1342 1342/1342 1342 ± 0.00002392 6.319 6.112/6.512 6.319 ± 0.3998
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-02-04 00:18:12.850
End
2025-02-04 00:47:40.068
Duration
0:29:27.218
Note, WebLog generation is not included in the time.

CASA logs for stage 8