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

Statwt Summary Plot

VLASS2.1.sb38610195.eb38638028.59101.102248043986_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 5.756 5.449/6.232 5.873 ± 0.6318
ea02 1342 1342/1342 1342 ± 0.000003024 5.945 5.541/6.647 6.165 ± 0.7328
ea04 1342 1342/1342 1342 ± 0 5.677 5.164/6.297 5.789 ± 0.6183
ea05 1342 1342/1342 1342 ± 0 6.012 5.406/6.526 5.935 ± 0.6346
ea06 1342 1342/1342 1342 ± 0 4.943 4.773/5.33 5.031 ± 0.3602
ea07 1342 1342/1342 1342 ± 0 6.293 5.639/6.463 6.23 ± 0.6228
ea08 1342 1342/1342 1342 ± 0.000007921 5.968 5.679/6.762 6.24 ± 0.7352
ea09 1342 1342/1342 1342 ± 0 5.852 5.348/6.453 5.962 ± 0.6806
ea10 1342 1342/1342 1342 ± 0 6.142 5.433/6.676 6.112 ± 0.7116
ea11 1342 1342/1342 1342 ± 0 6.128 5.33/6.579 6.051 ± 0.7277
ea12 1342 1342/1342 1342 ± 0 5.821 5.49/6.611 6.144 ± 0.7192
ea13 1342 1342/1342 1342 ± 0 6.52 5.99/6.642 6.411 ± 0.5452
ea14 1342 1342/1342 1342 ± 0 6.102 5.391/6.621 6.073 ± 0.722
ea15 1342 1342/1342 1342 ± 0 5.884 5.234/6.447 5.946 ± 0.7328
ea16 1342 1342/1342 1342 ± 0 6.357 5.829/7.054 6.512 ± 0.7842
ea17 1342 1342/1342 1342 ± 0 6.118 5.755/6.738 6.302 ± 0.7092
ea18 1342 1342/1342 1342 ± 0 5.221 4.809/5.692 5.302 ± 0.5471
ea19 1342 1342/1342 1342 ± 0 6.41 5.74/6.979 6.462 ± 0.7296
ea20 1342 1342/1342 1342 ± 0 6.483 5.872/7.078 6.482 ± 0.6694
ea21 1342 1342/1342 1342 ± 0 6.054 5.526/6.487 6.066 ± 0.6014
ea22 1342 1342/1342 1342 ± 0 5.521 5.312/6.246 5.826 ± 0.6751
ea23 1342 1342/1342 1342 ± 0 6.307 5.614/6.748 6.306 ± 0.7285
ea25 1342 1342/1342 1342 ± 0 5.627 5.289/6.298 5.822 ± 0.6046
ea26 1342 1342/1342 1342 ± 0 6.437 5.799/7.125 6.442 ± 0.6997
ea27 1342 1342/1342 1342 ± 0.0000217 5.885 5.438/6.571 5.94 ± 0.6602
ea28 1342 1342/1342 1342 ± 0.00003262 5.794 5.522/6.579 6.049 ± 0.7055
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 ± 0.00002348 5.497 5.31/5.777 5.516 ± 0.285
3 1342 1342/1342 1342 ± 0.00003837 5.087 4.962/5.242 5.086 ± 0.214
4 1342 1342/1342 1342 ± 0.00002436 5.464 5.147/5.625 5.373 ± 0.3504
5 1342 1342/1342 1342 ± 0.00002348 5.494 5.24/5.69 5.476 ± 0.3512
6 1342 1342/1342 1342 ± 0.00002348 5.449 5.235/5.604 5.423 ± 0.3139
7 1342 1342/1342 1342 ± 0.00002348 5.488 5.314/5.646 5.472 ± 0.2861
8 1342 1342/1342 1342 ± 0.00002348 5.505 5.2/5.629 5.43 ± 0.3143
9 1342 1342/1342 1342 ± 0.00002348 5.753 5.513/6.007 5.715 ± 0.3508
10 1342 1342/1342 1342 ± 0.00002348 6.198 6.012/6.41 6.15 ± 0.3414
11 1342 1342/1342 1342 ± 0.00002348 6.432 6.293/6.591 6.383 ± 0.3512
12 1342 1342/1342 1342 ± 0.00002392 6.574 6.31/6.778 6.499 ± 0.4963
13 1342 1342/1342 1342 ± 0.00002348 7.083 6.94/7.273 7.068 ± 0.4306
14 1342 1342/1342 1342 ± 0.00002348 7.375 7.095/7.647 7.304 ± 0.4722
15 1342 1342/1342 1342 ± 0.00002351 6.994 6.779/7.234 6.917 ± 0.4795
16 1342 1342/1342 1342 ± 0.00003013 6.24 5.893/6.571 6.217 ± 0.4467
17 1342 1342/1342 1342 ± 0.00003335 6.278 5.921/6.512 6.198 ± 0.4301
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38610195.eb38638028.59101.102248043986_split_split.ms
Start time
2025-01-08 12:02:48.806
End
2025-01-08 13:14:04.394
Duration
1:11:15.588
Note, WebLog generation is not included in the time.

CASA logs for stage 8