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

Statwt Summary Plot

VLASS2.1.sb38458451.eb38565931.59072.733167094906_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 5.064 4.897/5.846 5.255 ± 0.6891
ea02 1342 1342/1342 1342 ± 0.00003859 5.557 4.968/6.276 5.56 ± 0.8754
ea05 1342 1342/1342 1342 ± 0.00001326 5.23 4.87/6.258 5.463 ± 0.9037
ea06 1342 1342/1342 1342 ± 0.00003424 4.832 4.595/5.399 4.931 ± 0.6368
ea07 1342 1342/1342 1342 ± 0.00004136 5.446 4.995/5.688 5.272 ± 0.679
ea08 1342 1342/1342 1342 ± 0.00003513 5.804 5.281/6.502 5.821 ± 0.9
ea09 1342 1342/1342 1342 ± 0.00002218 5.069 4.786/6.026 5.242 ± 0.8104
ea10 1342 1342/1342 1342 ± 0.00003664 5.384 4.855/6.25 5.463 ± 0.8394
ea11 1342 1342/1342 1342 ± 0.00003454 5.592 5.032/6.187 5.537 ± 0.7724
ea12 1342 1342/1342 1342 ± 0.00003579 5.309 5.023/6.235 5.473 ± 0.8205
ea13 1342 1342/1342 1342 ± 0.00001335 5.503 5.358/6.11 5.695 ± 0.829
ea14 1342 1342/1342 1342 ± 0.0000302 5.494 5.123/6.332 5.64 ± 0.9112
ea15 1342 1342/1342 1342 ± 0.0000339 5.098 4.861/6.014 5.333 ± 0.8544
ea16 1342 1342/1342 1342 ± 0 5.071 5.042/5.22 5.058 ± 0.261
ea17 1342 1342/1342 1342 ± 0.00003633 5.649 5.16/6.554 5.754 ± 0.908
ea18 1342 1342/1342 1342 ± 0.00003365 4.621 4.487/5.293 4.786 ± 0.6056
ea19 1342 1342/1342 1342 ± 0.00001105 5.363 5.176/6.429 5.631 ± 0.9028
ea20 1342 1342/1342 1342 ± 0.00003532 5.61 5.447/6.449 5.742 ± 0.8323
ea21 1342 1342/1342 1342 ± 0.00002609 5.342 5.048/6.076 5.453 ± 0.8309
ea22 1342 1342/1342 1342 ± 0.00003456 5.255 4.885/6.299 5.503 ± 0.9179
ea23 1342 1342/1342 1342 ± 0.00003448 5.529 5.123/6.303 5.575 ± 0.8596
ea25 1342 1342/1342 1342 ± 0.000005948 5.093 4.923/5.141 5.076 ± 0.1736
ea26 1342 1342/1342 1342 ± 0.00002332 5.413 5.212/6.279 5.568 ± 0.8376
ea27 1342 1342/1342 1342 ± 0.00003583 5.245 4.898/6.079 5.332 ± 0.7605
ea28 1342 1342/1342 1342 ± 0.00003788 5.228 5.014/6.227 5.478 ± 0.8175
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 ± 0.00002588 5.108 4.88/5.233 5.054 ± 0.2418
5 1342 1342/1342 1342 ± 0.00002784 5.043 4.831/5.2 5.002 ± 0.3228
6 1342 1342/1342 1342 ± 0.00002414 5.012 4.928/5.181 5.014 ± 0.2412
7 1342 1342/1342 1342 ± 0.00002414 5.02 4.882/5.14 5.014 ± 0.2243
8 1342 1342/1342 1342 ± 0.00002414 5.041 4.865/5.238 5.042 ± 0.259
9 1342 1342/1342 1342 ± 0.00002414 5.366 5.226/5.496 5.308 ± 0.2918
10 1342 1342/1342 1342 ± 0.00002493 5.765 5.548/5.93 5.747 ± 0.296
11 1342 1342/1342 1342 ± 0.00002493 6.085 5.962/6.196 6.028 ± 0.3164
12 1342 1342/1342 1342 ± 0.00002493 6.245 6.029/6.335 6.189 ± 0.3178
13 1342 1342/1342 1342 ± 0.00002607 6.281 5.944/6.455 6.19 ± 0.3772
14 1342 1342/1342 1342 ± 0.00002493 6.696 6.436/6.886 6.613 ± 0.387
15 1342 1342/1342 1342 ± 0.00003499 6.362 6.06/6.594 6.285 ± 0.4197
16 1342 1342/1342 1342 ± 0.00005445 3.662 3.556/3.771 3.667 ± 0.1767
17 1342 1342/1342 1342 ± 0.00005333 3.661 3.527/3.807 3.667 ± 0.2458
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38458451.eb38565931.59072.733167094906_split_split.ms
Start time
2025-02-01 02:48:18.143
End
2025-02-01 03:11:59.486
Duration
0:23:41.343
Note, WebLog generation is not included in the time.

CASA logs for stage 8