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

Statwt Summary Plot

VLASS2.1.sb38452360.eb38575738.59077.463367233795_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 5.262 5.186/5.826 5.291 ± 0.8076
ea02 1342 1342/1342 1342 ± 0.00004241 5.895 5.335/6.592 5.737 ± 0.986
ea04 1342 1342/1342 1342 ± 0.00002914 5.238 4.988/5.98 5.217 ± 0.9431
ea05 1342 1342/1342 1342 ± 0.00001078 5.537 5.127/6.163 5.539 ± 0.7572
ea06 1342 1342/1342 1342 ± 0.00003486 4.881 4.702/5.362 4.805 ± 0.763
ea07 1342 1342/1342 1342 ± 0.00004315 5.636 5.301/6.05 5.476 ± 0.8656
ea08 1342 1342/1342 1342 ± 0.00004227 5.886 5.579/6.778 5.913 ± 1.071
ea09 1342 1342/1342 1342 ± 0.00001493 5.61 5.174/6.189 5.54 ± 0.8142
ea10 1342 1342/1342 1342 ± 0.00004359 5.344 5.046/6.228 5.39 ± 0.9021
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003946 5.545 5.221/6.482 5.56 ± 1.023
ea13 1342 1342/1342 1342 ± 0.0000137 5.901 5.638/6.377 5.897 ± 0.8013
ea14 1342 1342/1342 1342 ± 0.00001283 5.702 5.264/6.502 5.636 ± 0.8784
ea15 1342 1342/1342 1342 ± 0.0000234 5.321 5.135/6.206 5.412 ± 1.065
ea16 1342 1342/1342 1342 ± 0.00002019 5.722 5.354/6.239 5.614 ± 0.877
ea17 1342 1342/1342 1342 ± 0.00004416 5.774 5.428/6.486 5.749 ± 1.008
ea18 1342 1342/1342 1342 ± 0.00004264 4.889 4.609/5.443 4.854 ± 0.7366
ea19 1342 1342/1342 1342 ± 0 5.713 5.463/6.467 5.79 ± 0.7794
ea20 1342 1342/1342 1342 ± 0.00004201 5.831 5.703/6.76 5.874 ± 1.063
ea21 1342 1342/1342 1342 ± 0.00001527 5.53 5.306/6.131 5.47 ± 0.7932
ea22 1342 1342/1342 1342 ± 0.00002919 5.449 5.157/6.36 5.543 ± 0.8843
ea23 1342 1342/1342 1342 ± 0.00003806 5.498 5.368/6.35 5.591 ± 0.93
ea25 1342 1342/1342 1342 ± 0.00004241 5.547 5.21/6.114 5.448 ± 0.8992
ea27 1342 1342/1342 1342 ± 0.00004401 5.341 5.045/6.286 5.391 ± 0.8906
ea28 1342 1342/1342 1342 ± 0.00004341 5.582 5.377/6.432 5.614 ± 0.9649
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 ± 0.00002464 5.403 5.179/5.629 5.381 ± 0.2753
3 1342 1342/1342 1342 ± 0.00003783 5.581 5.214/6.022 5.595 ± 0.4893
5 1342 1342/1342 1342 ± 0.00002464 5.345 5.216/5.479 5.315 ± 0.366
6 1342 1342/1342 1342 ± 0.00002464 5.297 5.162/5.474 5.282 ± 0.2755
7 1342 1342/1342 1342 ± 0.00002464 5.317 5.162/5.448 5.292 ± 0.2463
8 1342 1342/1342 1342 ± 0.00002464 5.338 5.078/5.454 5.261 ± 0.2738
9 1342 1342/1342 1342 ± 0.00002464 5.576 5.455/5.774 5.552 ± 0.3178
10 1342 1342/1342 1342 ± 0.00002464 6.033 5.871/6.106 5.96 ± 0.3261
11 1342 1342/1342 1342 ± 0.00002464 6.283 6.135/6.428 6.228 ± 0.3358
12 1342 1342/1342 1342 ± 0.00002464 6.454 6.292/6.586 6.401 ± 0.3453
13 1342 1342/1342 1342 ± 0.00002464 6.667 6.356/6.818 6.548 ± 0.3734
14 1342 1342/1342 1342 ± 0.00003067 6.237 5.731/6.638 6.214 ± 0.5258
15 1342 1342/1342 1342 ± 0.00002593 6.446 6.183/6.746 6.419 ± 0.4495
16 1342 1342/1342 1342 ± 0.00005782 3.55 3.349/3.842 3.594 ± 0.3609
17 1342 1342/1342 1342 ± 0.00005993 3.723 3.552/3.95 3.756 ± 0.3447
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
output_dir
 
Start time
2024-11-01 23:05:44.697
End
2024-11-01 23:26:25.938
Duration
0:20:41.241
Note, WebLog generation is not included in the time.

CASA logs for stage 8