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 5.689 5.362/6.125 5.75 ± 0.532
ea02 1342 1342/1342 1342 ± 0.000003556 5.857 5.503/6.54 6.035 ± 0.6349
ea04 1342 1342/1342 1342 ± 0.0000199 5.506 5.179/6.097 5.638 ± 0.5197
ea05 1342 1342/1342 1342 ± 0 5.877 5.48/6.466 5.918 ± 0.5649
ea06 1342 1342/1342 1342 ± 0 5.724 5.177/6.032 5.656 ± 0.5034
ea07 1342 1342/1342 1342 ± 0 5.232 5.061/5.661 5.323 ± 0.272
ea08 1342 1342/1342 1342 ± 0.00002318 5.963 5.639/6.658 6.161 ± 0.6554
ea09 1342 1342/1342 1342 ± 0 5.46 5.035/5.964 5.497 ± 0.4826
ea10 1342 1342/1342 1342 ± 0.00003359 5.373 5.101/6.123 5.552 ± 0.5682
ea11 1342 1342/1342 1342 ± 0 5.814 5.435/6.45 5.971 ± 0.6027
ea13 1342 1342/1342 1342 ± 0 6.049 5.768/6.177 6.074 ± 0.4527
ea14 1342 1342/1342 1342 ± 0.00001678 5.937 5.507/6.456 5.98 ± 0.6361
ea15 1342 1342/1342 1342 ± 0 5.918 5.463/6.417 6.012 ± 0.6666
ea16 1342 1342/1342 1342 ± 0 6.12 5.646/6.622 6.145 ± 0.6744
ea17 1342 1342/1342 1342 ± 0.00001054 5.656 5.496/5.854 5.657 ± 0.2257
ea18 1342 1342/1342 1342 ± 0.000004819 5.202 4.897/5.67 5.269 ± 0.4842
ea19 1342 1342/1342 1342 ± 0 5.771 5.704/5.914 5.79 ± 0.1364
ea20 1342 1342/1342 1342 ± 0 6.224 5.766/6.832 6.223 ± 0.6225
ea21 1342 1342/1342 1342 ± 0 5.669 5.491/6.268 5.881 ± 0.5077
ea22 1342 1342/1342 1342 ± 0 5.737 5.262/6.419 5.834 ± 0.6454
ea23 1342 1342/1342 1342 ± 0.000001241 5.695 5.613/6.537 6.048 ± 0.6423
ea24 1342 1342/1342 1342 ± 0 5.776 5.072/6.187 5.608 ± 0.5834
ea25 1342 1342/1342 1342 ± 0.000006834 5.541 5.386/6.211 5.772 ± 0.5643
ea26 1342 1342/1342 1342 ± 0 6.239 5.8/6.888 6.296 ± 0.6502
ea27 1342 1342/1342 1342 ± 0.000008614 5.471 5.242/5.648 5.419 ± 0.242
ea28 1342 1342/1342 1342 ± 0.00003677 5.687 5.546/6.458 5.955 ± 0.6302
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 ± 0.00002369 5.557 5.36/5.709 5.514 ± 0.2678
3 1342 1342/1342 1342 ± 0.00002545 5.068 4.916/5.298 5.135 ± 0.3429
4 1342 1342/1342 1342 ± 0.00004008 5.187 4.977/5.357 5.157 ± 0.2889
5 1342 1342/1342 1342 ± 0.00002369 5.469 5.286/5.663 5.479 ± 0.2949
6 1342 1342/1342 1342 ± 0.00002369 5.475 5.206/5.638 5.426 ± 0.2623
7 1342 1342/1342 1342 ± 0.00002369 5.46 5.204/5.634 5.438 ± 0.2582
8 1342 1342/1342 1342 ± 0.00002369 5.452 5.069/5.581 5.37 ± 0.2902
9 1342 1342/1342 1342 ± 0.00002377 5.685 5.428/5.922 5.644 ± 0.3037
10 1342 1342/1342 1342 ± 0.00002571 6.07 5.874/6.169 5.993 ± 0.3081
11 1342 1342/1342 1342 ± 0.00002571 6.216 6.041/6.411 6.213 ± 0.2929
12 1342 1342/1342 1342 ± 0.00002571 6.419 6.137/6.531 6.34 ± 0.2901
13 1342 1342/1342 1342 ± 0.00002571 6.835 6.385/6.971 6.749 ± 0.3479
14 1342 1342/1342 1342 ± 0.00002571 7.073 6.644/7.26 6.991 ± 0.3744
15 1342 1342/1342 1342 ± 0.00002571 6.736 6.34/6.916 6.644 ± 0.3671
16 1342 1342/1342 1342 ± 0.00004059 5.758 5.646/6.05 5.82 ± 0.309
17 1342 1342/1342 1342 ± 0.00003657 5.89 5.619/6.131 5.867 ± 0.2932
output_dir
 
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-04-13 00:43:41.042
End
2024-04-13 01:31:43.653
Duration
0:48:02.611
Note, WebLog generation is not included in the time.

CASA logs for stage 7