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

Statwt Summary Plot

VLASS2.1.sb38498189.eb38518036.59051.15321533565_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 5.175 5.055/6.106 5.419 ± 0.766
ea02 1342 1342/1342 1342 ± 0.00004666 5.715 5.179/6.49 5.675 ± 0.8798
ea04 1342 1342/1342 1342 ± 0.00002473 5.073 4.873/5.802 5.227 ± 0.7422
ea05 1342 1342/1342 1342 ± 0.00002856 5.307 4.968/6.322 5.547 ± 0.8337
ea06 1342 1342/1342 1342 ± 0.00003143 4.85 4.539/5.429 4.84 ± 0.6463
ea07 1342 1342/1342 1342 ± 0.00004219 5.669 5.145/6.099 5.578 ± 0.8258
ea08 1342 1342/1342 1342 ± 0.00004334 5.88 5.302/6.681 5.849 ± 0.9848
ea09 1342 1342/1342 1342 ± 0.00002905 5.092 4.797/5.699 5.161 ± 0.6619
ea10 1342 1342/1342 1342 ± 0.00004014 4.891 4.516/5.493 4.902 ± 0.6278
ea11 1342 1342/1342 1342 ± 0.00004259 5.784 5.224/6.47 5.728 ± 0.9416
ea12 1342 1342/1342 1342 ± 0.00003632 5.327 5.119/6.237 5.523 ± 0.8954
ea13 1342 1342/1342 1342 ± 0.00001568 5.633 5.449/6.196 5.757 ± 0.7282
ea14 1342 1342/1342 1342 ± 0.0000403 5.451 5.069/6.499 5.672 ± 0.889
ea15 1342 1342/1342 1342 ± 0.00001725 5.267 5.05/6.217 5.487 ± 0.8971
ea16 1342 1342/1342 1342 ± 0.00003903 5.792 5.405/6.69 5.883 ± 0.9841
ea17 1342 1342/1342 1342 ± 0.00004217 5.81 5.3/6.622 5.775 ± 0.9404
ea18 1342 1342/1342 1342 ± 0.00004191 4.85 4.648/5.708 5.029 ± 0.6929
ea19 1342 1342/1342 1342 ± 0.00001144 5.61 5.311/6.539 5.823 ± 0.8593
ea20 1342 1342/1342 1342 ± 0.00003968 5.77 5.557/6.697 5.928 ± 0.9836
ea21 1342 1342/1342 1342 ± 0.00003934 5.405 5.149/6.279 5.57 ± 0.8307
ea22 1342 1342/1342 1342 ± 0.00003665 5.244 4.875/6.331 5.492 ± 0.8342
ea23 1342 1342/1342 1342 ± 0.00004271 5.64 5.204/6.534 5.699 ± 0.9823
ea24 1342 1342/1342 1342 ± 0.00002029 5.005 4.744/5.991 5.293 ± 0.7276
ea25 1342 1342/1342 1342 ± 0.0000423 5.378 4.929/6.188 5.436 ± 0.8395
ea26 1342 1342/1342 1342 ± 0.00002941 5.604 5.401/6.673 5.834 ± 0.8895
ea27 1342 1342/1342 1342 ± 0.00004194 5.512 5.055/6.398 5.563 ± 0.8705
ea28 1342 1342/1342 1342 ± 0.00004253 5.455 5.253/6.491 5.662 ± 0.9048
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 ± 0.00002307 5.205 4.945/5.349 5.129 ± 0.3239
5 1342 1342/1342 1342 ± 0.00002571 5.208 4.975/5.405 5.191 ± 0.2952
6 1342 1342/1342 1342 ± 0.00002307 5.143 4.834/5.309 5.101 ± 0.28
7 1342 1342/1342 1342 ± 0.00002307 5.177 4.965/5.332 5.13 ± 0.2793
8 1342 1342/1342 1342 ± 0.00002307 5.189 4.876/5.35 5.137 ± 0.3158
9 1342 1342/1342 1342 ± 0.00002307 5.478 5.174/5.677 5.422 ± 0.3287
10 1342 1342/1342 1342 ± 0.00002307 5.98 5.767/6.074 5.874 ± 0.3261
11 1342 1342/1342 1342 ± 0.00002307 6.196 5.97/6.387 6.139 ± 0.3384
12 1342 1342/1342 1342 ± 0.00002307 6.335 6.108/6.532 6.303 ± 0.37
13 1342 1342/1342 1342 ± 0.00002307 6.766 6.45/6.957 6.674 ± 0.432
14 1342 1342/1342 1342 ± 0.00002307 6.909 6.546/7.093 6.772 ± 0.4663
15 1342 1342/1342 1342 ± 0.00002375 6.383 6.053/6.582 6.284 ± 0.4437
16 1342 1342/1342 1342 ± 0.0000574 4.082 3.95/4.212 4.076 ± 0.1954
17 1342 1342/1342 1342 ± 0.0000535 4.036 3.904/4.248 4.08 ± 0.2495
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38498189.eb38518036.59051.15321533565_split_split.ms
statwtmode
VLASS-SE
Start time
2024-04-21 03:06:47.040
End
2024-04-21 04:16:00.515
Duration
1:09:13.475
Note, WebLog generation is not included in the time.

CASA logs for stage 7