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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.511 5.484/6.243 5.848 ± 0.5959
ea02 1342 1342/1342 1342 ± 0.0000415 6.008 5.586/6.709 6.179 ± 0.6477
ea03 1342 1342/1342 1342 ± 0 5.705 4.977/6.189 5.633 ± 0.6187
ea04 1342 1342/1342 1342 ± 0 5.683 5.277/6.235 5.78 ± 0.5642
ea05 1342 1342/1342 1342 ± 0 6.16 5.599/6.647 6.007 ± 0.6795
ea06 1342 1342/1342 1342 ± 0 4.857 4.615/4.922 4.755 ± 0.2559
ea07 1342 1342/1342 1342 ± 0 6.15 5.672/6.438 6.202 ± 0.607
ea08 1342 1342/1342 1342 ± 0 6.001 5.694/6.9 6.264 ± 0.7123
ea09 1342 1342/1342 1342 ± 0 5.976 5.444/6.671 6.003 ± 0.7137
ea10 1342 1342/1342 1342 ± 0 6.02 5.537/6.827 6.134 ± 0.6724
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.039 5.416/6.431 6.001 ± 0.6894
ea13 1342 1342/1342 1342 ± 0 6.483 6.002/6.643 6.357 ± 0.6714
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.112 5.613/6.549 6.145 ± 0.6701
ea16 1342 1342/1342 1342 ± 0 6.42 5.899/6.994 6.455 ± 0.7857
ea17 1342 1342/1342 1342 ± 0 6.626 5.991/7.269 6.65 ± 0.6615
ea18 1342 1342/1342 1342 ± 0 5.129 4.738/5.56 5.172 ± 0.5013
ea19 1342 1342/1342 1342 ± 0 6.235 5.596/6.7 6.154 ± 0.6243
ea20 1342 1342/1342 1342 ± 0 6.069 5.597/6.708 6.077 ± 0.6853
ea21 1342 1342/1342 1342 ± 0 5.991 5.631/6.57 6.072 ± 0.6412
ea22 1342 1342/1342 1342 ± 0 5.822 5.481/6.484 5.928 ± 0.6033
ea23 1342 1342/1342 1342 ± 0 6.267 5.676/6.718 6.241 ± 0.6935
ea24 1342 1342/1342 1342 ± 0 6.042 5.681/6.804 6.155 ± 0.6914
ea25 1342 1342/1342 1342 ± 0 5.78 5.447/6.356 5.896 ± 0.6005
ea26 1342 1342/1342 1342 ± 0 6.565 5.925/7.218 6.474 ± 0.7498
ea27 1342 1342/1342 1342 ± 0 5.657 5.55/6.508 5.916 ± 0.6268
ea28 1342 1342/1342 1342 ± 0 5.568 5.377/6.364 5.808 ± 0.6424
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 ± 0.00002363 5.595 5.388/5.712 5.52 ± 0.3047
4 1342 1342/1342 1342 ± 0.00002574 4.84 4.581/5.002 4.786 ± 0.26
5 1342 1342/1342 1342 ± 0.00002363 5.519 5.337/5.719 5.523 ± 0.3523
6 1342 1342/1342 1342 ± 0.00002363 5.547 5.374/5.741 5.516 ± 0.3375
7 1342 1342/1342 1342 ± 0.00002363 5.561 5.4/5.68 5.512 ± 0.3056
8 1342 1342/1342 1342 ± 0.00002363 5.459 5.277/5.634 5.43 ± 0.3349
9 1342 1342/1342 1342 ± 0.00002363 5.73 5.489/6.06 5.716 ± 0.3777
10 1342 1342/1342 1342 ± 0.00002408 6.227 6.033/6.428 6.207 ± 0.3441
11 1342 1342/1342 1342 ± 0.00002408 6.49 6.285/6.603 6.429 ± 0.3285
12 1342 1342/1342 1342 ± 0.00002408 6.607 6.429/6.719 6.592 ± 0.3612
13 1342 1342/1342 1342 ± 0.00002408 7.055 6.832/7.107 7 ± 0.3599
14 1342 1342/1342 1342 ± 0.00002408 7.192 6.98/7.465 7.19 ± 0.3911
15 1342 1342/1342 1342 ± 0.00002408 6.802 6.643/7.033 6.789 ± 0.3614
16 1342 1342/1342 1342 ± 0.00002457 6.128 5.803/6.355 6.126 ± 0.3743
17 1342 1342/1342 1342 ± 0.00002457 6.206 5.949/6.368 6.16 ± 0.3635
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-01-11 01:39:49.120
End
2025-01-11 02:38:18.580
Duration
0:58:29.460
Note, WebLog generation is not included in the time.

CASA logs for stage 8