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 5.515 5.337/5.944 5.684 ± 0.534
ea02 1342 1342/1342 1342 ± 0.00001707 5.777 5.489/6.419 5.962 ± 0.6495
ea04 1342 1342/1342 1342 ± 0 5.463 5.16/5.925 5.568 ± 0.4698
ea05 1342 1342/1342 1342 ± 0 5.806 5.46/6.282 5.879 ± 0.5727
ea06 1342 1342/1342 1342 ± 0 5.452 5.082/5.853 5.487 ± 0.4434
ea07 1342 1342/1342 1342 ± 0 5.196 5.105/5.454 5.282 ± 0.2407
ea08 1342 1342/1342 1342 ± 0.00003125 5.888 5.585/6.625 6.102 ± 0.6685
ea09 1342 1342/1342 1342 ± 0 5.142 4.973/5.733 5.328 ± 0.4384
ea10 1342 1342/1342 1342 ± 0.00003357 5.165 4.967/5.9 5.363 ± 0.5283
ea11 1342 1342/1342 1342 ± 0.000003892 5.725 5.399/6.373 5.897 ± 0.5817
ea13 1342 1342/1342 1342 ± 0 6.034 5.848/6.254 6.141 ± 0.429
ea14 1342 1342/1342 1342 ± 0 5.654 5.382/6.331 5.852 ± 0.5741
ea15 1342 1342/1342 1342 ± 0 5.774 5.465/6.389 5.976 ± 0.6271
ea16 1342 1342/1342 1342 ± 0 5.97 5.621/6.4 6.119 ± 0.6288
ea17 1342 1342/1342 1342 ± 0.000009655 5.713 5.602/5.877 5.688 ± 0.2385
ea18 1342 1342/1342 1342 ± 0.000004276 5.082 4.815/5.525 5.195 ± 0.4981
ea19 1342 1342/1342 1342 ± 0 5.744 5.635/5.914 5.769 ± 0.139
ea20 1342 1342/1342 1342 ± 0 6.016 5.703/6.625 6.151 ± 0.5807
ea21 1342 1342/1342 1342 ± 0 5.504 5.336/6.053 5.698 ± 0.4483
ea22 1342 1342/1342 1342 ± 0.000007698 5.476 5.305/6.28 5.768 ± 0.6268
ea23 1342 1342/1342 1342 ± 0.00000107 5.705 5.578/6.392 6.022 ± 0.62
ea24 1342 1342/1342 1342 ± 0 5.585 5.088/6.176 5.637 ± 0.5754
ea25 1342 1342/1342 1342 ± 0.000005948 5.564 5.362/6.188 5.763 ± 0.5794
ea26 1342 1342/1342 1342 ± 0.000003208 5.965 5.812/6.733 6.258 ± 0.6433
ea27 1342 1342/1342 1342 ± 0.00001 5.511 5.241/5.576 5.42 ± 0.1978
ea28 1342 1342/1342 1342 ± 0.00004009 5.675 5.493/6.437 5.916 ± 0.6324
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 ± 0.00002371 5.536 5.34/5.694 5.502 ± 0.2744
3 1342 1342/1342 1342 ± 0.0000255 5.112 4.925/5.321 5.159 ± 0.3464
4 1342 1342/1342 1342 ± 0.00002399 5.442 5.21/5.627 5.429 ± 0.3364
5 1342 1342/1342 1342 ± 0.00002371 5.459 5.246/5.671 5.439 ± 0.3054
6 1342 1342/1342 1342 ± 0.00002371 5.423 5.12/5.587 5.374 ± 0.2758
7 1342 1342/1342 1342 ± 0.00002371 5.433 5.122/5.584 5.395 ± 0.266
8 1342 1342/1342 1342 ± 0.00002371 5.408 5.073/5.531 5.337 ± 0.2965
9 1342 1342/1342 1342 ± 0.00002371 5.656 5.427/5.89 5.604 ± 0.3253
10 1342 1342/1342 1342 ± 0.00002572 6.016 5.83/6.206 5.968 ± 0.3261
11 1342 1342/1342 1342 ± 0.00002572 6.252 5.893/6.379 6.189 ± 0.3155
12 1342 1342/1342 1342 ± 0.00002572 6.363 6.103/6.562 6.323 ± 0.3225
13 1342 1342/1342 1342 ± 0.00002572 6.816 6.402/7.016 6.723 ± 0.3745
14 1342 1342/1342 1342 ± 0.00002572 6.967 6.575/7.205 6.901 ± 0.4034
15 1342 1342/1342 1342 ± 0.00002572 6.663 6.287/6.854 6.544 ± 0.4148
16 1342 1342/1342 1342 ± 0.00004461 5.618 5.463/5.928 5.676 ± 0.3482
17 1342 1342/1342 1342 ± 0.0000409 5.66 5.482/5.999 5.71 ± 0.328
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
Start time
2024-04-13 01:41:49.293
End
2024-04-13 02:49:32.662
Duration
1:07:43.369
Note, WebLog generation is not included in the time.

CASA logs for stage 7