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

Statwt Summary Plot

VLASS2.1.sb38483282.eb38504007.59045.97679461805_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 5.456 5.348/5.89 5.636 ± 0.5129
ea02 1342 1342/1342 1342 ± 0.000003454 5.72 5.434/6.336 5.905 ± 0.6213
ea04 1342 1342/1342 1342 ± 0 5.461 5.16/5.929 5.581 ± 0.4717
ea05 1342 1342/1342 1342 ± 0 5.744 5.448/6.241 5.849 ± 0.5568
ea06 1342 1342/1342 1342 ± 0 5.513 5.063/5.866 5.486 ± 0.4525
ea07 1342 1342/1342 1342 ± 0 5.188 5.122/5.529 5.275 ± 0.241
ea08 1342 1342/1342 1342 ± 0.00002365 5.825 5.545/6.534 6.053 ± 0.6642
ea09 1342 1342/1342 1342 ± 0 5.145 4.947/5.758 5.314 ± 0.4326
ea10 1342 1342/1342 1342 ± 0.0000294 5.203 4.986/5.928 5.402 ± 0.5366
ea11 1342 1342/1342 1342 ± 0 5.699 5.334/6.259 5.817 ± 0.5495
ea13 1342 1342/1342 1342 ± 0 6.02 5.822/6.243 6.129 ± 0.4369
ea14 1342 1342/1342 1342 ± 0 5.711 5.38/6.381 5.895 ± 0.5981
ea15 1342 1342/1342 1342 ± 0 5.791 5.42/6.347 5.954 ± 0.6236
ea16 1342 1342/1342 1342 ± 0 5.966 5.593/6.421 6.105 ± 0.6268
ea17 1342 1342/1342 1342 ± 0.000003462 5.71 5.548/5.851 5.668 ± 0.2256
ea18 1342 1342/1342 1342 ± 0 5.093 4.803/5.518 5.201 ± 0.5143
ea19 1342 1342/1342 1342 ± 0 5.718 5.612/5.917 5.755 ± 0.1547
ea20 1342 1342/1342 1342 ± 0 5.969 5.669/6.565 6.106 ± 0.5652
ea21 1342 1342/1342 1342 ± 0 5.608 5.432/6.195 5.818 ± 0.4878
ea22 1342 1342/1342 1342 ± 0 5.446 5.303/6.233 5.739 ± 0.6183
ea23 1342 1342/1342 1342 ± 0.00000405 5.699 5.566/6.361 6.008 ± 0.6251
ea24 1342 1342/1342 1342 ± 0 5.609 5.072/6.164 5.628 ± 0.5734
ea25 1342 1342/1342 1342 ± 0.000002992 5.518 5.341/6.138 5.736 ± 0.5501
ea26 1342 1342/1342 1342 ± 0 6.026 5.785/6.691 6.232 ± 0.6411
ea27 1342 1342/1342 1342 ± 0.000007317 5.506 5.21/5.531 5.402 ± 0.2013
ea28 1342 1342/1342 1342 ± 0.00004006 5.632 5.451/6.344 5.87 ± 0.6089
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 ± 0.00002368 5.525 5.357/5.671 5.491 ± 0.2726
3 1342 1342/1342 1342 ± 0.00002415 5.097 4.91/5.305 5.141 ± 0.3448
4 1342 1342/1342 1342 ± 0.00002403 5.482 5.241/5.633 5.447 ± 0.3309
5 1342 1342/1342 1342 ± 0.00002368 5.421 5.219/5.597 5.409 ± 0.2913
6 1342 1342/1342 1342 ± 0.00002368 5.398 5.125/5.53 5.341 ± 0.2629
7 1342 1342/1342 1342 ± 0.00002368 5.404 5.105/5.553 5.376 ± 0.2611
8 1342 1342/1342 1342 ± 0.00002368 5.42 5.053/5.521 5.32 ± 0.2899
9 1342 1342/1342 1342 ± 0.00002374 5.641 5.396/5.797 5.589 ± 0.3069
10 1342 1342/1342 1342 ± 0.00002568 6.022 5.807/6.121 5.947 ± 0.3094
11 1342 1342/1342 1342 ± 0.00002568 6.242 5.9/6.319 6.159 ± 0.2946
12 1342 1342/1342 1342 ± 0.00002568 6.324 6.102/6.475 6.291 ± 0.3024
13 1342 1342/1342 1342 ± 0.00002568 6.763 6.395/6.938 6.687 ± 0.3589
14 1342 1342/1342 1342 ± 0.00002568 6.927 6.575/7.169 6.878 ± 0.3835
15 1342 1342/1342 1342 ± 0.00002568 6.649 6.272/6.858 6.55 ± 0.4033
16 1342 1342/1342 1342 ± 0.00004153 5.573 5.459/5.986 5.682 ± 0.3324
17 1342 1342/1342 1342 ± 0.00003797 5.662 5.488/6.005 5.728 ± 0.3077
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2024-04-13 02:15:09.849
End
2024-04-13 03:04:12.699
Duration
0:49:02.850
Note, WebLog generation is not included in the time.

CASA logs for stage 7