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

Statwt Summary Plot

VLASS2.1.sb38610195.eb38638028.59101.102248043986_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 4.851 4.709/5.109 4.914 ± 0.3346
ea02 1342 1342/1342 1342 ± 0.00002815 5.118 4.854/5.561 5.215 ± 0.428
ea04 1342 1342/1342 1342 ± 0 4.991 4.644/5.261 4.999 ± 0.3766
ea05 1342 1342/1342 1342 ± 0 5.832 5.222/6.308 5.743 ± 0.6193
ea06 1342 1342/1342 1342 ± 0 4.374 4.3/4.717 4.483 ± 0.2459
ea07 1342 1342/1342 1342 ± 0 5.815 5.288/5.966 5.781 ± 0.5284
ea08 1342 1342/1342 1342 ± 0 5.48 5.251/6.174 5.704 ± 0.5705
ea09 1342 1342/1342 1342 ± 0 5.571 5.063/6.119 5.616 ± 0.6212
ea10 1342 1342/1342 1342 ± 0 5.62 5.09/6.182 5.615 ± 0.5928
ea11 1342 1342/1342 1342 ± 0 4.873 4.681/5.262 4.95 ± 0.3666
ea12 1342 1342/1342 1342 ± 0 5.37 5.097/5.852 5.564 ± 0.5412
ea13 1342 1342/1342 1342 ± 0 4.884 4.705/4.99 4.862 ± 0.2288
ea14 1342 1342/1342 1342 ± 0 5.422 4.856/5.697 5.329 ± 0.5101
ea15 1342 1342/1342 1342 ± 0 5.503 4.911/5.91 5.526 ± 0.6155
ea16 1342 1342/1342 1342 ± 0 6.026 5.511/6.491 6.085 ± 0.6865
ea17 1342 1342/1342 1342 ± 0 5.8 5.47/6.381 5.982 ± 0.6148
ea18 1342 1342/1342 1342 ± 0 4.838 4.489/5.255 4.891 ± 0.446
ea19 1342 1342/1342 1342 ± 0 6.172 5.469/6.726 6.158 ± 0.6864
ea20 1342 1342/1342 1342 ± 0 5.106 4.942/5.474 5.193 ± 0.3111
ea21 1342 1342/1342 1342 ± 0 5.568 5.211/6.168 5.694 ± 0.5499
ea22 1342 1342/1342 1342 ± 0 5.149 4.977/5.814 5.371 ± 0.6041
ea23 1342 1342/1342 1342 ± 0 5.584 5.119/5.923 5.595 ± 0.4987
ea25 1342 1342/1342 1342 ± 0 4.7 4.531/5.046 4.82 ± 0.3422
ea26 1342 1342/1342 1342 ± 0 5.721 5.444/6.448 5.853 ± 0.5409
ea27 1342 1342/1342 1342 ± 0 5.177 5.032/5.945 5.377 ± 0.5303
ea28 1342 1342/1342 1342 ± 0.000001227 4.86 4.741/5.38 5.04 ± 0.3778
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 ± 0.0000235 5.043 4.917/5.317 5.085 ± 0.289
3 1342 1342/1342 1342 ± 0.00003836 4.561 4.42/4.828 4.637 ± 0.3078
4 1342 1342/1342 1342 ± 0.00002467 5.028 4.813/5.216 4.996 ± 0.3602
5 1342 1342/1342 1342 ± 0.0000235 5.062 4.784/5.235 5.014 ± 0.3486
6 1342 1342/1342 1342 ± 0.0000235 4.99 4.706/5.164 4.929 ± 0.329
7 1342 1342/1342 1342 ± 0.0000235 4.989 4.718/5.216 4.971 ± 0.3247
8 1342 1342/1342 1342 ± 0.0000235 4.923 4.697/5.173 4.93 ± 0.3549
9 1342 1342/1342 1342 ± 0.0000235 5.17 4.864/5.565 5.157 ± 0.3988
10 1342 1342/1342 1342 ± 0.0000235 5.611 5.14/5.875 5.524 ± 0.4188
11 1342 1342/1342 1342 ± 0.0000235 5.859 5.264/6.06 5.708 ± 0.4678
12 1342 1342/1342 1342 ± 0.00002381 5.911 5.261/6.261 5.761 ± 0.6007
13 1342 1342/1342 1342 ± 0.0000235 6.417 5.637/6.608 6.191 ± 0.611
14 1342 1342/1342 1342 ± 0.0000235 6.54 5.701/6.785 6.3 ± 0.653
15 1342 1342/1342 1342 ± 0.00002381 6.093 5.353/6.411 5.929 ± 0.6502
16 1342 1342/1342 1342 ± 0.00002352 5.58 4.808/5.831 5.4 ± 0.5851
17 1342 1342/1342 1342 ± 0.0000235 5.502 4.877/5.814 5.386 ± 0.5596
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38610195.eb38638028.59101.102248043986_split_split.ms
statwtmode
VLASS-SE
Start time
2025-01-08 10:53:07.784
End
2025-01-08 11:44:05.327
Duration
0:50:57.542
Note, WebLog generation is not included in the time.

CASA logs for stage 8