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

Statwt Summary Plot

VLASS2.1.sb38642060.eb38643748.59104.02058106482_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 5.762 5.505/6.139 5.89 ± 0.5242
ea02 1342 1342/1342 1342 ± 0 5.999 5.611/6.663 6.146 ± 0.6851
ea04 1342 1342/1342 1342 ± 0 5.575 5.251/6.144 5.741 ± 0.5375
ea05 1342 1342/1342 1342 ± 0 5.888 5.537/6.29 5.933 ± 0.5755
ea06 1342 1342/1342 1342 ± 0 5.227 5.044/5.537 5.288 ± 0.3616
ea07 1342 1342/1342 1342 ± 0 6.076 5.684/6.297 6.124 ± 0.5209
ea08 1342 1342/1342 1342 ± 0.000002018 6.136 5.828/6.81 6.34 ± 0.6879
ea09 1342 1342/1342 1342 ± 0 5.663 5.424/6.379 5.897 ± 0.6133
ea10 1342 1342/1342 1342 ± 0 6.075 5.46/6.689 6.097 ± 0.6406
ea11 1342 1342/1342 1342 ± 0 6.276 5.53/6.699 6.202 ± 0.7088
ea12 1342 1342/1342 1342 ± 0 5.641 5.538/5.723 5.655 ± 0.1893
ea13 1342 1342/1342 1342 ± 0 6.182 5.945/6.452 6.29 ± 0.4669
ea14 1342 1342/1342 1342 ± 0 5.853 5.379/6.457 5.978 ± 0.6467
ea15 1342 1342/1342 1342 ± 0 5.95 5.43/6.478 6.029 ± 0.6424
ea16 1342 1342/1342 1342 ± 0 6.186 5.797/6.802 6.369 ± 0.6772
ea17 1342 1342/1342 1342 ± 0.000005819 6.138 5.758/6.627 6.268 ± 0.6189
ea18 1342 1342/1342 1342 ± 0 5.154 4.904/5.695 5.312 ± 0.4943
ea19 1342 1342/1342 1342 ± 0 6.091 5.72/6.81 6.292 ± 0.6463
ea20 1342 1342/1342 1342 ± 0 6.262 5.905/6.851 6.401 ± 0.6171
ea21 1342 1342/1342 1342 ± 0 5.825 5.523/6.388 5.993 ± 0.5418
ea22 1342 1342/1342 1342 ± 0 5.486 5.387/6.28 5.785 ± 0.6136
ea23 1342 1342/1342 1342 ± 0 6.048 5.608/6.51 6.174 ± 0.6545
ea25 1342 1342/1342 1342 ± 0 5.891 5.566/6.385 6.046 ± 0.5611
ea26 1342 1342/1342 1342 ± 0 6.106 5.89/6.826 6.369 ± 0.6622
ea27 1342 1342/1342 1342 ± 0.00002511 5.647 5.417/6.405 5.864 ± 0.5697
ea28 1342 1342/1342 1342 ± 0.00003177 5.861 5.651/6.633 6.125 ± 0.6824
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 5.57 5.433/5.875 5.603 ± 0.2686
3 1342 1342/1342 1342 ± 0.00002351 5.455 5.142/5.672 5.413 ± 0.3019
4 1342 1342/1342 1342 ± 0.00002439 5.465 5.191/5.658 5.442 ± 0.3318
5 1342 1342/1342 1342 ± 0.0000235 5.623 5.316/5.725 5.577 ± 0.3205
6 1342 1342/1342 1342 ± 0.00002395 5.615 5.379/5.708 5.559 ± 0.299
7 1342 1342/1342 1342 ± 0.0000235 5.563 5.392/5.717 5.548 ± 0.2625
8 1342 1342/1342 1342 ± 0.0000235 5.558 5.316/5.65 5.484 ± 0.3034
9 1342 1342/1342 1342 ± 0.0000235 5.783 5.595/6.002 5.735 ± 0.3233
10 1342 1342/1342 1342 ± 0.0000235 6.203 6.029/6.353 6.155 ± 0.3221
11 1342 1342/1342 1342 ± 0.00002395 6.38 6.28/6.541 6.363 ± 0.3162
12 1342 1342/1342 1342 ± 0.00002442 6.551 6.371/6.737 6.518 ± 0.3782
13 1342 1342/1342 1342 ± 0.00002395 6.978 6.878/7.291 6.982 ± 0.3824
14 1342 1342/1342 1342 ± 0.00002395 7.247 6.998/7.461 7.19 ± 0.4156
15 1342 1342/1342 1342 ± 0.00002395 6.863 6.648/7.09 6.818 ± 0.4121
16 1342 1342/1342 1342 ± 0.00003067 6.149 5.734/6.293 6.098 ± 0.3973
17 1342 1342/1342 1342 ± 0.00003481 6.166 5.721/6.368 6.095 ± 0.3809
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38642060.eb38643748.59104.02058106482_split_split.ms
statwtmode
VLASS-SE
Start time
2024-04-06 02:44:21.108
End
2024-04-06 03:47:58.010
Duration
1:03:36.903
Note, WebLog generation is not included in the time.

CASA logs for stage 7