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

Statwt Summary Plot

VLASS2.1.sb38561374.eb38565040.59070.62333981482_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 5.254 5.03/5.944 5.436 ± 0.5517
ea02 1342 1342/1342 1342 ± 0.00004588 5.582 5.136/6.439 5.74 ± 0.7489
ea05 1342 1342/1342 1342 ± 0.000007487 5.287 5.109/6.303 5.638 ± 0.6347
ea06 1342 1342/1342 1342 ± 0 4.894 4.691/5.515 5.131 ± 0.5284
ea07 1342 1342/1342 1342 ± 0.00003575 5.427 5.201/5.88 5.553 ± 0.5526
ea08 1342 1342/1342 1342 ± 0.00004522 5.744 5.293/6.619 5.882 ± 0.7788
ea09 1342 1342/1342 1342 ± 0.000039 4.59 3.355/6.232 4.741 ± 1.332
ea10 1342 1342/1342 1342 ± 0.00004207 5.237 4.916/6.336 5.574 ± 0.6518
ea11 1342 1342/1342 1342 ± 0.00002233 5.501 5.025/6.288 5.588 ± 0.741
ea12 1342 1342/1342 1342 ± 0 5.393 5.129/6.246 5.607 ± 0.6973
ea13 1342 1342/1342 1342 ± 0.00001931 5.58 5.422/6.193 5.778 ± 0.6324
ea14 1342 1342/1342 1342 ± 0.000001694 6.242 5.852/6.681 6.201 ± 0.5985
ea15 1342 1342/1342 1342 ± 0 5.335 5.004/6.176 5.577 ± 0.6281
ea16 1342 1342/1342 1342 ± 0.000005629 5.149 4.843/5.5 5.239 ± 0.4418
ea17 1342 1342/1342 1342 ± 0.00004214 5.768 5.156/6.733 5.82 ± 0.7486
ea18 1342 1342/1342 1342 ± 0.000007039 4.743 4.382/5.498 4.865 ± 0.5524
ea19 1342 1342/1342 1342 ± 0 5.509 5.29/6.42 5.803 ± 0.6198
ea20 1342 1342/1342 1342 ± 0.000001284 5.773 5.39/6.533 5.922 ± 0.7546
ea21 1342 1342/1342 1342 ± 0.00000252 5.276 5.063/6.18 5.561 ± 0.6106
ea22 1342 1342/1342 1342 ± 0.00004208 5.396 5.011/6.365 5.632 ± 0.7286
ea23 1342 1342/1342 1342 ± 0.00002864 5.453 5.219/6.493 5.831 ± 0.6903
ea25 1342 1342/1342 1342 ± 0 5 4.915/5.163 5.074 ± 0.2082
ea26 1342 1342/1342 1342 ± 0.000001245 5.291 5.11/6.192 5.57 ± 0.6735
ea27 1342 1342/1342 1342 ± 0.00004272 5.374 4.945/6.314 5.529 ± 0.6677
ea28 1342 1342/1342 1342 ± 0.00005286 6.286 5.752/6.534 6.009 ± 0.7422
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 ± 0.00002498 5.145 4.967/5.392 5.074 ± 0.4405
4 1342 1342/1342 1342 ± 0.0000366 4.967 4.777/5.093 4.886 ± 0.3529
5 1342 1342/1342 1342 ± 0.00002498 5.108 4.932/5.283 5.044 ± 0.4772
6 1342 1342/1342 1342 ± 0.00002498 5.163 4.977/5.318 5.081 ± 0.4606
7 1342 1342/1342 1342 ± 0.00002498 5.093 4.999/5.275 5.069 ± 0.4109
8 1342 1342/1342 1342 ± 0.00002498 5.164 4.979/5.335 5.086 ± 0.4669
9 1342 1342/1342 1342 ± 0.00002498 5.446 5.341/5.638 5.377 ± 0.5026
10 1342 1342/1342 1342 ± 0.00002448 5.866 5.606/6.005 5.835 ± 0.2827
11 1342 1342/1342 1342 ± 0.00002448 6.14 5.939/6.251 6.078 ± 0.3393
12 1342 1342/1342 1342 ± 0.00002448 6.308 6.17/6.427 6.229 ± 0.3235
13 1342 1342/1342 1342 ± 0.00002448 6.55 6.369/6.777 6.534 ± 0.3261
14 1342 1342/1342 1342 ± 0.00002448 6.684 6.493/6.939 6.634 ± 0.3428
15 1342 1342/1342 1342 ± 0.00002448 6.45 6.307/6.584 6.411 ± 0.3855
16 1342 1342/1342 1342 ± 0.00006048 4.783 4.638/4.956 4.816 ± 0.2952
17 1342 1342/1342 1342 ± 0.00006051 4.748 4.644/4.903 4.788 ± 0.2749
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38561374.eb38565040.59070.62333981482_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2024-12-05 15:31:16.951
End
2024-12-05 16:19:14.590
Duration
0:47:57.639
Note, WebLog generation is not included in the time.

CASA logs for stage 8