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

Statwt Summary Plot

VLASS2.1.sb38520431.eb38554942.59063.924480127316_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 4.483 4.285/4.591 4.42 ± 0.2628
ea02 1342 1342/1342 1342 ± 0 4.692 4.485/4.788 4.586 ± 0.3299
ea04 1342 1342/1342 1342 ± 0.00002272 4.419 4.313/4.606 4.487 ± 0.2095
ea05 1342 1342/1342 1342 ± 0 5.314 5.063/5.566 5.325 ± 0.3677
ea06 1342 1342/1342 1342 ± 0 2.571 2.514/2.72 2.613 ± 0.1272
ea07 1342 1342/1342 1342 ± 0 5.274 5.05/5.345 5.241 ± 0.2133
ea08 1342 1342/1342 1342 ± 0.000005325 5.38 5.032/5.748 5.404 ± 0.4451
ea09 1342 1342/1342 1342 ± 0 4.364 4.275/4.551 4.375 ± 0.3046
ea10 1342 1342/1342 1342 ± 0 5.159 4.983/5.727 5.34 ± 0.4085
ea11 1342 1342/1342 1342 ± 0 4.695 4.55/4.941 4.715 ± 0.2648
ea12 1342 1342/1342 1342 ± 0 4.969 4.759/5.128 4.977 ± 0.2573
ea13 1342 1342/1342 1342 ± 0 4.768 4.59/4.926 4.76 ± 0.2572
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea16 1342 1342/1342 1342 ± 0 4.697 4.555/4.907 4.716 ± 0.2136
ea17 1342 1342/1342 1342 ± 0.000002661 5.774 5.574/6.395 5.925 ± 0.4852
ea18 1342 1342/1342 1342 ± 0 4.773 4.559/5.094 4.812 ± 0.3184
ea19 1342 1342/1342 1342 ± 0 5.366 5.126/5.604 5.363 ± 0.3218
ea21 1342 1342/1342 1342 ± 0 4.385 4.255/4.502 4.361 ± 0.2365
ea22 1342 1342/1342 1342 ± 0 4.937 4.707/5.338 5.02 ± 0.3842
ea23 1342 1342/1342 1342 ± 0 4.687 4.574/4.888 4.702 ± 0.2469
ea25 1342 1342/1342 1342 ± 0 4.547 4.483/4.688 4.589 ± 0.1449
ea26 1342 1342/1342 1342 ± 0 4.754 4.682/4.999 4.789 ± 0.2749
ea27 1342 1342/1342 1342 ± 0.000004976 5.024 4.745/5.521 5.113 ± 0.3712
ea28 1342 1342/1342 1342 ± 0.00001428 4.515 4.429/4.725 4.502 ± 0.3177
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 ± 0.00002603 5.039 4.909/5.257 5.064 ± 0.2917
3 1342 1342/1342 1342 ± 0.00003147 4.736 4.54/5.195 4.82 ± 0.3396
4 1342 1342/1342 1342 ± 0.00003202 4.74 4.447/5.028 4.77 ± 0.3593
5 1342 1342/1342 1342 ± 0.00002603 4.757 4.595/4.972 4.822 ± 0.3092
6 1342 1342/1342 1342 ± 0.00002603 4.703 4.492/5.005 4.738 ± 0.3158
7 1342 1342/1342 1342 ± 0.00002603 4.704 4.482/4.845 4.711 ± 0.2904
8 1342 1342/1342 1342 ± 0.00002603 4.573 4.413/4.733 4.636 ± 0.3269
9 1342 1342/1342 1342 ± 0.00002603 4.672 4.547/5.012 4.756 ± 0.4179
10 1342 1342/1342 1342 ± 0.00002603 4.806 4.558/5.263 4.849 ± 0.6222
11 1342 1342/1342 1342 ± 0.00002603 4.903 4.556/5.388 4.933 ± 0.7064
12 1342 1342/1342 1342 ± 0.00002603 4.946 4.662/5.527 4.992 ± 0.7642
13 1342 1342/1342 1342 ± 0.00002603 5.137 4.833/5.628 5.183 ± 0.7841
14 1342 1342/1342 1342 ± 0.00002603 5.187 4.781/5.776 5.215 ± 0.8114
15 1342 1342/1342 1342 ± 0.00002603 4.8 4.498/5.36 4.88 ± 0.7736
16 1342 1342/1342 1342 ± 0.00002819 4.33 3.96/4.78 4.384 ± 0.6505
17 1342 1342/1342 1342 ± 0.00002715 4.339 3.863/4.699 4.374 ± 0.6652
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
statwtmode
VLASS-SE
Start time
2024-03-29 09:50:27.720
End
2024-03-29 11:11:37.645
Duration
1:21:09.925
Note, WebLog generation is not included in the time.

CASA logs for stage 7