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

Statwt Summary Plot

VLASS2.1.sb38598618.eb38624961.59090.97292246528_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 5.338 5.014/5.856 5.457 ± 0.5231
ea02 1342 1342/1342 1342 ± 0 5.592 5.19/6.222 5.709 ± 0.6324
ea04 1342 1342/1342 1342 ± 0 5.153 4.839/5.843 5.37 ± 0.5737
ea05 1342 1342/1342 1342 ± 0 5.535 5.057/6.044 5.609 ± 0.6072
ea06 1342 1342/1342 1342 ± 0 4.789 4.551/5.207 4.882 ± 0.3894
ea07 1342 1342/1342 1342 ± 0 5.666 5.241/6 5.716 ± 0.5457
ea08 1342 1342/1342 1342 ± 0 5.535 5.274/6.42 5.847 ± 0.654
ea09 1342 1342/1342 1342 ± 0 5.473 4.956/6.09 5.546 ± 0.6377
ea10 1342 1342/1342 1342 ± 0.00001609 5.653 5.027/6.318 5.674 ± 0.6665
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.49 5.054/6.141 5.678 ± 0.6458
ea13 1342 1342/1342 1342 ± 0 5.853 5.423/6.162 5.887 ± 0.5248
ea14 1342 1342/1342 1342 ± 0 5.619 5.018/6.166 5.64 ± 0.6445
ea15 1342 1342/1342 1342 ± 0 5.302 4.824/5.915 5.438 ± 0.6568
ea16 1342 1342/1342 1342 ± 0 5.895 5.351/6.386 5.964 ± 0.7225
ea17 1342 1342/1342 1342 ± 0 5.623 5.213/6.115 5.75 ± 0.6117
ea18 1342 1342/1342 1342 ± 0 4.801 4.485/5.354 4.926 ± 0.5174
ea19 1342 1342/1342 1342 ± 0 5.618 5.213/6.201 5.773 ± 0.5989
ea20 1342 1342/1342 1342 ± 0 5.811 5.37/6.434 5.921 ± 0.6565
ea21 1342 1342/1342 1342 ± 0 5.458 5.154/6.101 5.616 ± 0.5739
ea22 1342 1342/1342 1342 ± 0 5.484 5.1/6.181 5.634 ± 0.6377
ea23 1342 1342/1342 1342 ± 0 5.694 5.211/6.21 5.81 ± 0.6747
ea25 1342 1342/1342 1342 ± 0 5.476 4.917/5.963 5.478 ± 0.594
ea26 1342 1342/1342 1342 ± 0 5.869 5.361/6.445 5.93 ± 0.6839
ea27 1342 1342/1342 1342 ± 0.00003188 5.394 5.037/6.086 5.53 ± 0.5638
ea28 1342 1342/1342 1342 ± 0.000001551 5.414 5.142/6.276 5.651 ± 0.638
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 ± 0.00002437 5.025 4.913/5.268 5.061 ± 0.2324
3 1342 1342/1342 1342 ± 0.00002437 4.924 4.784/5.162 4.959 ± 0.2323
4 1342 1342/1342 1342 ± 0.00002522 5.058 4.879/5.27 5.028 ± 0.2964
5 1342 1342/1342 1342 ± 0.00002437 5.135 4.873/5.183 5.073 ± 0.2918
6 1342 1342/1342 1342 ± 0.00002437 5.06 4.897/5.188 5.034 ± 0.2781
7 1342 1342/1342 1342 ± 0.00002437 5.097 4.991/5.237 5.09 ± 0.242
8 1342 1342/1342 1342 ± 0.00002437 5.136 4.914/5.238 5.071 ± 0.2668
9 1342 1342/1342 1342 ± 0.00002437 5.39 5.274/5.632 5.372 ± 0.2964
10 1342 1342/1342 1342 ± 0.00002437 5.829 5.708/6.022 5.8 ± 0.3183
11 1342 1342/1342 1342 ± 0.00002437 6.098 5.905/6.165 6.007 ± 0.3294
12 1342 1342/1342 1342 ± 0.00002437 6.261 6.045/6.382 6.17 ± 0.3406
13 1342 1342/1342 1342 ± 0.00002437 6.616 6.474/6.746 6.574 ± 0.354
14 1342 1342/1342 1342 ± 0.00002437 6.843 6.588/6.944 6.731 ± 0.4082
15 1342 1342/1342 1342 ± 0.00002437 6.4 6.211/6.563 6.331 ± 0.3546
16 1342 1342/1342 1342 ± 0.00003212 5.772 5.575/5.992 5.778 ± 0.3188
17 1342 1342/1342 1342 ± 0.00003097 5.849 5.596/5.982 5.8 ± 0.3011
output_dir
 
vis
VLASS2.1.sb38598618.eb38624961.59090.97292246528_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-03-05 23:13:49.737
End
2025-03-05 23:41:49.974
Duration
0:28:00.237
Note, WebLog generation is not included in the time.

CASA logs for stage 8