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 5.233 5.157/5.831 5.236 ± 0.8666
ea02 1342 1342/1342 1342 ± 0.00004208 5.892 5.326/6.426 5.653 ± 1.035
ea04 1342 1342/1342 1342 ± 0.00003019 5.338 4.967/5.91 5.202 ± 0.9888
ea05 1342 1342/1342 1342 ± 0.00001293 5.513 5.125/6.208 5.515 ± 0.8152
ea06 1342 1342/1342 1342 ± 0.00003496 4.882 4.695/5.354 4.781 ± 0.8009
ea07 1342 1342/1342 1342 ± 0.00004372 5.594 5.282/6.054 5.426 ± 0.9382
ea08 1342 1342/1342 1342 ± 0.00004235 5.857 5.516/6.675 5.8 ± 1.117
ea09 1342 1342/1342 1342 ± 0.000002269 5.469 5.167/6.177 5.478 ± 0.8375
ea10 1342 1342/1342 1342 ± 0.00004478 5.291 5.022/6.254 5.361 ± 0.9526
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003848 5.454 5.245/6.456 5.539 ± 1.067
ea13 1342 1342/1342 1342 ± 0.00001146 5.932 5.599/6.37 5.857 ± 0.848
ea14 1342 1342/1342 1342 ± 0.00001768 5.577 5.261/6.518 5.587 ± 0.9489
ea15 1342 1342/1342 1342 ± 0.0000229 5.329 5.132/6.219 5.393 ± 1.097
ea16 1342 1342/1342 1342 ± 0.00002104 5.652 5.358/6.231 5.541 ± 0.9517
ea17 1342 1342/1342 1342 ± 0.00004501 5.764 5.4/6.476 5.68 ± 1.061
ea18 1342 1342/1342 1342 ± 0.00004242 4.865 4.547/5.543 4.829 ± 0.795
ea19 1342 1342/1342 1342 ± 0.000002574 5.713 5.455/6.484 5.755 ± 0.8397
ea20 1342 1342/1342 1342 ± 0.00004161 5.747 5.672/6.79 5.842 ± 1.128
ea21 1342 1342/1342 1342 ± 0.00001682 5.403 5.262/6.193 5.423 ± 0.8632
ea22 1342 1342/1342 1342 ± 0.00002556 5.432 5.12/6.303 5.476 ± 0.9161
ea23 1342 1342/1342 1342 ± 0.00004046 5.482 5.35/6.342 5.532 ± 0.9968
ea25 1342 1342/1342 1342 ± 0.00004323 5.53 5.166/6.116 5.382 ± 0.9285
ea27 1342 1342/1342 1342 ± 0.00004518 5.308 5.048/6.253 5.333 ± 0.9463
ea28 1342 1342/1342 1342 ± 0.00004477 5.564 5.358/6.415 5.533 ± 1.016
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 ± 0.00002441 5.385 5.156/5.596 5.354 ± 0.2693
3 1342 1342/1342 1342 ± 0.00003498 5.335 5.062/5.697 5.365 ± 0.4523
5 1342 1342/1342 1342 ± 0.00002441 5.324 5.225/5.483 5.315 ± 0.3673
6 1342 1342/1342 1342 ± 0.00002441 5.28 5.151/5.452 5.263 ± 0.2802
7 1342 1342/1342 1342 ± 0.00002441 5.309 5.133/5.432 5.274 ± 0.2464
8 1342 1342/1342 1342 ± 0.00002441 5.308 5.063/5.445 5.246 ± 0.2702
9 1342 1342/1342 1342 ± 0.00002441 5.579 5.431/5.747 5.523 ± 0.3091
10 1342 1342/1342 1342 ± 0.00002441 6.027 5.767/6.103 5.953 ± 0.3224
11 1342 1342/1342 1342 ± 0.00002441 6.263 6.121/6.408 6.223 ± 0.3338
12 1342 1342/1342 1342 ± 0.00002441 6.418 6.195/6.591 6.389 ± 0.3485
13 1342 1342/1342 1342 ± 0.00002456 6.554 6.326/6.763 6.502 ± 0.3635
14 1342 1342/1342 1342 ± 0.00003819 5.979 5.61/6.402 6.056 ± 0.5283
15 1342 1342/1342 1342 ± 0.00002463 6.52 6.287/6.774 6.478 ± 0.4476
16 1342 1342/1342 1342 ± 0.00005755 3.324 3.143/3.601 3.385 ± 0.3485
17 1342 1342/1342 1342 ± 0.00006017 3.506 3.365/3.702 3.548 ± 0.3149
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
output_dir
 
Start time
2024-11-02 06:07:55.022
End
2024-11-02 06:53:44.599
Duration
0:45:49.577
Note, WebLog generation is not included in the time.

CASA logs for stage 8