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

Statwt Summary Plot

VLASS2.1.sb38520431.eb38554942.59063.924480127316_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 5.454 5.312/5.96 5.662 ± 0.4666
ea02 1342 1342/1342 1342 ± 0.000012 5.774 5.336/6.366 5.838 ± 0.5773
ea04 1342 1342/1342 1342 ± 0 5.57 5.26/6.073 5.687 ± 0.4897
ea05 1342 1342/1342 1342 ± 0 5.895 5.414/6.256 5.866 ± 0.5238
ea06 1342 1342/1342 1342 ± 0 3.279 3.144/3.557 3.334 ± 0.195
ea07 1342 1342/1342 1342 ± 0 5.505 5.394/5.704 5.539 ± 0.1865
ea08 1342 1342/1342 1342 ± 0.00002367 5.803 5.547/6.592 6.049 ± 0.6305
ea09 1342 1342/1342 1342 ± 0 5.011 4.755/5.531 5.163 ± 0.4307
ea10 1342 1342/1342 1342 ± 0 5.527 5.238/6.343 5.743 ± 0.5736
ea11 1342 1342/1342 1342 ± 0 5.741 5.555/6.355 5.952 ± 0.5213
ea12 1342 1342/1342 1342 ± 0 6.001 5.547/6.379 6.003 ± 0.5146
ea13 1342 1342/1342 1342 ± 0 5.804 5.693/6.201 5.987 ± 0.4123
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea16 1342 1342/1342 1342 ± 0 5.151 4.997/5.32 5.187 ± 0.3223
ea17 1342 1342/1342 1342 ± 0.00002114 6.04 5.757/6.494 6.172 ± 0.5449
ea18 1342 1342/1342 1342 ± 0 5.21 4.9/5.678 5.284 ± 0.4234
ea19 1342 1342/1342 1342 ± 0 6.593 6.223/6.845 6.592 ± 0.3539
ea21 1342 1342/1342 1342 ± 0 5.753 5.486/6.355 5.928 ± 0.5276
ea22 1342 1342/1342 1342 ± 0 5.251 5.065/6.058 5.526 ± 0.5741
ea23 1342 1342/1342 1342 ± 0 6.056 5.515/6.53 6.061 ± 0.6074
ea25 1342 1342/1342 1342 ± 0 5.426 5.342/5.511 5.406 ± 0.176
ea26 1342 1342/1342 1342 ± 0 5.725 5.592/6.642 6.035 ± 0.5599
ea27 1342 1342/1342 1342 ± 0.00001837 5.495 5.326/6.246 5.717 ± 0.5119
ea28 1342 1342/1342 1342 ± 0.00003134 5.652 5.468/6.397 5.879 ± 0.6022
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 ± 0.00002604 5.497 5.3/5.702 5.437 ± 0.2953
3 1342 1342/1342 1342 ± 0.0000323 5.298 5.06/5.631 5.351 ± 0.3163
4 1342 1342/1342 1342 ± 0.00002604 5.316 5.136/5.487 5.288 ± 0.2924
5 1342 1342/1342 1342 ± 0.00002604 5.476 5.279/5.609 5.444 ± 0.2627
6 1342 1342/1342 1342 ± 0.00002604 5.364 5.172/5.459 5.315 ± 0.2376
7 1342 1342/1342 1342 ± 0.00002604 5.403 5.229/5.523 5.372 ± 0.224
8 1342 1342/1342 1342 ± 0.00002604 5.4 5.165/5.477 5.337 ± 0.2832
9 1342 1342/1342 1342 ± 0.00002604 5.655 5.307/5.821 5.582 ± 0.3301
10 1342 1342/1342 1342 ± 0.00002604 6.01 5.805/6.164 5.826 ± 0.6144
11 1342 1342/1342 1342 ± 0.00002604 6.232 5.934/6.354 5.992 ± 0.7245
12 1342 1342/1342 1342 ± 0.00002604 6.38 6.01/6.503 6.154 ± 0.7317
13 1342 1342/1342 1342 ± 0.00002604 6.709 6.422/6.94 6.499 ± 0.7729
14 1342 1342/1342 1342 ± 0.00002604 6.924 6.58/7.054 6.627 ± 0.7977
15 1342 1342/1342 1342 ± 0.00002604 6.47 6.201/6.584 6.211 ± 0.7769
16 1342 1342/1342 1342 ± 0.00004101 5.671 5.334/5.925 5.497 ± 0.6806
17 1342 1342/1342 1342 ± 0.00003687 5.577 5.348/6.037 5.582 ± 0.5179
output_dir
 
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-03-29 05:54:49.746
End
2024-03-29 06:42:43.419
Duration
0:47:53.673
Note, WebLog generation is not included in the time.

CASA logs for stage 7