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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.361 5.159/6.017 5.428 ± 0.8534
ea02 1342 1342/1342 1342 ± 0.00004266 5.86 5.412/6.588 5.767 ± 1.014
ea05 1342 1342/1342 1342 ± 0.00001428 5.525 5.144/6.577 5.704 ± 0.873
ea06 1342 1342/1342 1342 ± 0.00000741 4.92 4.829/5.444 4.959 ± 0.6051
ea07 1342 1342/1342 1342 ± 0.00004274 5.831 5.4/6.081 5.555 ± 0.8447
ea08 1342 1342/1342 1342 ± 0.0000428 6.069 5.669/6.836 5.998 ± 1.084
ea09 1342 1342/1342 1342 ± 0.00001551 3.919 3.325/5.866 4.511 ± 1.194
ea10 1342 1342/1342 1342 ± 0.00004335 5.475 5.077/6.263 5.501 ± 0.8812
ea11 1342 1342/1342 1342 ± 0 5.899 5.381/6.562 6.058 ± 0.6437
ea12 1342 1342/1342 1342 ± 0.000007748 5.724 5.411/6.639 5.844 ± 1.043
ea13 1342 1342/1342 1342 ± 0.00001554 5.852 5.739/6.393 5.914 ± 0.7998
ea14 1342 1342/1342 1342 ± 0.00001292 6.575 5.725/6.852 6.059 ± 1.156
ea15 1342 1342/1342 1342 ± 0 5.472 5.235/6.305 5.652 ± 0.9226
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00004292 5.912 5.539/6.916 5.904 ± 1.069
ea18 1342 1342/1342 1342 ± 0.00003055 5.085 4.78/5.836 5.098 ± 0.832
ea19 1342 1342/1342 1342 ± 0.000007308 5.7 5.431/6.783 5.901 ± 0.9093
ea20 1342 1342/1342 1342 ± 0.0000187 6 5.721/7.129 6.097 ± 1.143
ea21 1342 1342/1342 1342 ± 0.00002739 5.564 5.366/6.439 5.682 ± 0.9024
ea22 1342 1342/1342 1342 ± 0.00003151 5.382 5.148/6.436 5.511 ± 0.9177
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.364 5.303/5.456 5.371 ± 0.1742
ea26 1342 1342/1342 1342 ± 0.00001634 5.685 5.53/6.684 5.813 ± 0.856
ea27 1342 1342/1342 1342 ± 0.00004185 5.556 5.159/6.492 5.674 ± 0.8319
ea28 1342 1342/1342 1342 ± 0.00005538 6.559 5.648/6.683 5.888 ± 1.302
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 ± 0.00002636 5.476 5.326/5.749 5.423 ± 0.5061
5 1342 1342/1342 1342 ± 0.00002698 5.337 5.177/5.527 5.261 ± 0.524
6 1342 1342/1342 1342 ± 0.00002636 5.409 5.267/5.479 5.28 ± 0.5282
7 1342 1342/1342 1342 ± 0.00002636 5.379 5.211/5.5 5.286 ± 0.5094
8 1342 1342/1342 1342 ± 0.00002636 5.37 5.135/5.438 5.214 ± 0.5225
9 1342 1342/1342 1342 ± 0.00002636 5.647 5.502/5.839 5.507 ± 0.6016
10 1342 1342/1342 1342 ± 0.00002576 6.123 5.871/6.166 6.019 ± 0.35
11 1342 1342/1342 1342 ± 0.00002576 6.373 6.28/6.543 6.313 ± 0.3629
12 1342 1342/1342 1342 ± 0.00002576 6.617 6.3/6.682 6.488 ± 0.3844
13 1342 1342/1342 1342 ± 0.00002576 6.804 6.404/7.053 6.732 ± 0.4201
14 1342 1342/1342 1342 ± 0.00003429 6.734 6.188/6.994 6.63 ± 0.5101
15 1342 1342/1342 1342 ± 0.00002613 6.761 6.601/7.069 6.708 ± 0.4886
16 1342 1342/1342 1342 ± 0.00006096 3.812 3.662/4.088 3.871 ± 0.2663
17 1342 1342/1342 1342 ± 0.00006037 3.842 3.735/4.078 3.895 ± 0.2382
datacolumn
residual_data
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-04-22 01:29:35.482
End
2024-04-22 02:15:39.282
Duration
0:46:03.801
Note, WebLog generation is not included in the time.

CASA logs for stage 7