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 5.375 5.293/5.981 5.382 ± 0.8818
ea02 1342 1342/1342 1342 ± 0.00004211 5.929 5.412/6.65 5.77 ± 1.036
ea04 1342 1342/1342 1342 ± 0.00002176 5.5 5.009/6.073 5.331 ± 0.9691
ea05 1342 1342/1342 1342 ± 0.00002295 5.462 5.065/6.153 5.476 ± 0.7736
ea06 1342 1342/1342 1342 ± 0.00003553 4.86 4.692/5.337 4.777 ± 0.7818
ea07 1342 1342/1342 1342 ± 0.00004372 5.746 5.38/6.21 5.566 ± 0.9567
ea08 1342 1342/1342 1342 ± 0.00004162 5.85 5.636/6.812 5.915 ± 1.099
ea09 1342 1342/1342 1342 ± 0.000003714 5.653 5.074/6.136 5.527 ± 0.8269
ea10 1342 1342/1342 1342 ± 0.00004409 5.437 5.166/6.328 5.499 ± 0.9666
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003827 5.499 5.282/6.577 5.619 ± 1.083
ea13 1342 1342/1342 1342 ± 0.000006576 5.865 5.641/6.415 5.908 ± 0.8292
ea14 1342 1342/1342 1342 ± 0.00001637 5.762 5.262/6.606 5.67 ± 0.9475
ea15 1342 1342/1342 1342 ± 0.00002048 5.498 5.136/6.296 5.445 ± 1.109
ea16 1342 1342/1342 1342 ± 0.00002049 5.814 5.494/6.342 5.684 ± 0.9532
ea17 1342 1342/1342 1342 ± 0.00004477 6.045 5.434/6.644 5.841 ± 1.085
ea18 1342 1342/1342 1342 ± 0.00004324 4.988 4.638/5.715 4.984 ± 0.7946
ea19 1342 1342/1342 1342 ± 0.000004026 5.812 5.399/6.465 5.761 ± 0.8315
ea20 1342 1342/1342 1342 ± 0.00004322 5.917 5.768/6.969 5.961 ± 1.186
ea21 1342 1342/1342 1342 ± 0.0000175 5.449 5.326/6.265 5.471 ± 0.8446
ea22 1342 1342/1342 1342 ± 0.00002483 5.361 4.99/6.28 5.484 ± 0.9013
ea23 1342 1342/1342 1342 ± 0.00004011 5.595 5.509/6.471 5.663 ± 0.9902
ea25 1342 1342/1342 1342 ± 0.00004345 5.533 5.286/6.252 5.516 ± 0.971
ea27 1342 1342/1342 1342 ± 0.00004423 5.647 5.203/6.429 5.548 ± 0.9602
ea28 1342 1342/1342 1342 ± 0.00004457 5.681 5.425/6.536 5.673 ± 1.04
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 ± 0.00002463 5.532 5.328/5.697 5.483 ± 0.27
3 1342 1342/1342 1342 ± 0.00004091 5.487 5.13/5.826 5.472 ± 0.5057
5 1342 1342/1342 1342 ± 0.00002564 5.357 5.183/5.505 5.327 ± 0.2968
6 1342 1342/1342 1342 ± 0.00002463 5.346 5.136/5.456 5.306 ± 0.2782
7 1342 1342/1342 1342 ± 0.00002463 5.364 5.183/5.514 5.338 ± 0.263
8 1342 1342/1342 1342 ± 0.00002463 5.395 5.168/5.498 5.315 ± 0.2911
9 1342 1342/1342 1342 ± 0.00002463 5.662 5.426/5.862 5.607 ± 0.3359
10 1342 1342/1342 1342 ± 0.00002463 6.102 5.87/6.215 6.036 ± 0.3273
11 1342 1342/1342 1342 ± 0.00002463 6.335 6.197/6.517 6.305 ± 0.3435
12 1342 1342/1342 1342 ± 0.00002463 6.523 6.358/6.699 6.499 ± 0.3552
13 1342 1342/1342 1342 ± 0.00002467 6.662 6.46/6.875 6.626 ± 0.3646
14 1342 1342/1342 1342 ± 0.00003656 6.173 5.794/6.59 6.228 ± 0.5371
15 1342 1342/1342 1342 ± 0.00002467 6.653 6.331/6.917 6.578 ± 0.4932
16 1342 1342/1342 1342 ± 0.00005794 3.428 3.243/3.699 3.477 ± 0.3505
17 1342 1342/1342 1342 ± 0.00006019 3.662 3.516/3.835 3.691 ± 0.3058
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2024-11-26 02:26:06.772
End
2024-11-26 02:46:16.831
Duration
0:20:10.060
Note, WebLog generation is not included in the time.

CASA logs for stage 8