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

Statwt Summary Plot

VLASS2.1.sb38469526.eb38577573.59079.23044392361_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 5.477 5.279/6.352 5.787 ± 0.6908
ea02 1342 1342/1342 1342 ± 0.00004471 5.865 5.46/6.776 6.147 ± 0.823
ea04 1342 1342/1342 1342 ± 0.00001084 5.239 4.981/5.992 5.447 ± 0.6307
ea05 1342 1342/1342 1342 ± 0 5.48 5.188/6.403 5.764 ± 0.6874
ea06 1342 1342/1342 1342 ± 0.00002249 4.901 4.487/5.237 4.861 ± 0.4522
ea07 1342 1342/1342 1342 ± 0.00004469 5.911 5.521/6.523 6.022 ± 0.8485
ea08 1342 1342/1342 1342 ± 0.00004242 5.878 5.454/7.061 6.255 ± 0.9636
ea09 1342 1342/1342 1342 ± 0 5.606 5.286/6.557 5.849 ± 0.7241
ea10 1342 1342/1342 1342 ± 0.00004516 5.464 5.116/6.561 5.802 ± 0.7959
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00002546 5.658 5.267/6.534 5.849 ± 0.7729
ea13 1342 1342/1342 1342 ± 0 6.094 5.608/6.462 6.165 ± 0.6681
ea14 1342 1342/1342 1342 ± 0.00001434 5.696 5.426/6.631 5.97 ± 0.828
ea15 1342 1342/1342 1342 ± 0.00001044 5.08 4.977/6.055 5.532 ± 0.7054
ea16 1342 1342/1342 1342 ± 0 5.797 5.44/6.749 6.063 ± 0.8879
ea17 1342 1342/1342 1342 ± 0.00004516 5.971 5.58/7.128 6.302 ± 0.8822
ea18 1342 1342/1342 1342 ± 0.00004146 5.011 4.918/5.808 5.296 ± 0.5965
ea19 1342 1342/1342 1342 ± 0.00000411 5.743 5.543/6.746 6.073 ± 0.7619
ea20 1342 1342/1342 1342 ± 0.00003071 5.785 5.614/6.833 6.163 ± 0.8583
ea21 1342 1342/1342 1342 ± 0.000008373 5.628 5.337/6.386 5.805 ± 0.7387
ea22 1342 1342/1342 1342 ± 0.00001375 5.531 5.176/6.39 5.818 ± 0.7358
ea23 1342 1342/1342 1342 ± 0.0000417 5.715 5.486/6.764 6.126 ± 0.9016
ea25 1342 1342/1342 1342 ± 0.00004482 5.546 5.407/6.397 5.902 ± 0.7705
ea26 1342 1342/1342 1342 ± 0 5.654 5.522/6.623 6.018 ± 0.671
ea27 1342 1342/1342 1342 ± 0.00004516 5.651 5.303/6.612 5.979 ± 0.7548
ea28 1342 1342/1342 1342 ± 0.00004374 5.78 5.623/6.803 6.099 ± 0.8608
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 ± 0.0000268 5.441 5.123/5.622 5.368 ± 0.3151
5 1342 1342/1342 1342 ± 0.00002489 5.501 5.23/5.662 5.463 ± 0.3011
6 1342 1342/1342 1342 ± 0.00002392 5.486 5.278/5.579 5.403 ± 0.3069
7 1342 1342/1342 1342 ± 0.00002392 5.473 5.177/5.611 5.385 ± 0.3049
8 1342 1342/1342 1342 ± 0.00002392 5.41 5.109/5.569 5.347 ± 0.3309
9 1342 1342/1342 1342 ± 0.00002467 5.524 5.268/5.714 5.482 ± 0.3181
10 1342 1342/1342 1342 ± 0.00002392 6.213 5.93/6.324 6.092 ± 0.3701
11 1342 1342/1342 1342 ± 0.00002392 6.388 6.186/6.614 6.352 ± 0.3786
12 1342 1342/1342 1342 ± 0.00002392 6.566 6.448/6.75 6.535 ± 0.402
13 1342 1342/1342 1342 ± 0.00002392 7.015 6.858/7.241 6.972 ± 0.4391
14 1342 1342/1342 1342 ± 0.00002392 7.202 6.949/7.463 7.149 ± 0.4789
15 1342 1342/1342 1342 ± 0.00002392 6.604 6.349/6.947 6.579 ± 0.5104
16 1342 1342/1342 1342 ± 0.00006099 4.726 4.561/4.881 4.718 ± 0.2283
17 1342 1342/1342 1342 ± 0.00006016 5.042 4.852/5.237 5.049 ± 0.3002
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38469526.eb38577573.59079.23044392361_split_split.ms
overwrite_modelcol
False
Start time
2025-02-01 02:44:22.027
End
2025-02-01 03:13:24.524
Duration
0:29:02.497
Note, WebLog generation is not included in the time.

CASA logs for stage 8