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

Statwt Summary Plot

VLASS2.1.sb38483282.eb38504007.59045.97679461805_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 5.509 5.328/5.944 5.675 ± 0.5356
ea02 1342 1342/1342 1342 ± 0.00001832 5.798 5.462/6.417 5.951 ± 0.6492
ea04 1342 1342/1342 1342 ± 0 5.458 5.164/5.925 5.562 ± 0.4654
ea05 1342 1342/1342 1342 ± 0 5.808 5.477/6.282 5.885 ± 0.5636
ea06 1342 1342/1342 1342 ± 0 5.422 5.081/5.834 5.482 ± 0.4403
ea07 1342 1342/1342 1342 ± 0 5.203 5.113/5.462 5.285 ± 0.2427
ea08 1342 1342/1342 1342 ± 0.00003213 5.9 5.579/6.603 6.09 ± 0.6648
ea09 1342 1342/1342 1342 ± 0 5.132 4.968/5.699 5.32 ± 0.4374
ea10 1342 1342/1342 1342 ± 0.00003438 5.188 4.94/5.891 5.365 ± 0.535
ea11 1342 1342/1342 1342 ± 0.000005254 5.714 5.389/6.363 5.886 ± 0.58
ea13 1342 1342/1342 1342 ± 0 6.043 5.859/6.255 6.143 ± 0.4238
ea14 1342 1342/1342 1342 ± 0 5.633 5.378/6.318 5.838 ± 0.5677
ea15 1342 1342/1342 1342 ± 0 5.779 5.461/6.383 5.972 ± 0.629
ea16 1342 1342/1342 1342 ± 0 5.956 5.628/6.395 6.115 ± 0.6305
ea17 1342 1342/1342 1342 ± 0.00001188 5.718 5.628/5.87 5.695 ± 0.2253
ea18 1342 1342/1342 1342 ± 0.000004507 5.093 4.82/5.519 5.194 ± 0.494
ea19 1342 1342/1342 1342 ± 0 5.75 5.643/5.939 5.783 ± 0.1496
ea20 1342 1342/1342 1342 ± 0 6.004 5.692/6.609 6.142 ± 0.5775
ea21 1342 1342/1342 1342 ± 0 5.514 5.349/6.068 5.711 ± 0.4505
ea22 1342 1342/1342 1342 ± 0.000007796 5.489 5.272/6.281 5.761 ± 0.6265
ea23 1342 1342/1342 1342 ± 0.000004381 5.685 5.575/6.386 6.016 ± 0.6214
ea24 1342 1342/1342 1342 ± 0 5.584 5.086/6.174 5.635 ± 0.5738
ea25 1342 1342/1342 1342 ± 0.000008216 5.573 5.365/6.185 5.761 ± 0.5793
ea26 1342 1342/1342 1342 ± 0.000003188 5.945 5.815/6.726 6.254 ± 0.6433
ea27 1342 1342/1342 1342 ± 0.000009597 5.524 5.255/5.581 5.426 ± 0.1969
ea28 1342 1342/1342 1342 ± 0.00004008 5.672 5.497/6.438 5.911 ± 0.6275
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 ± 0.00002367 5.532 5.352/5.71 5.505 ± 0.2762
3 1342 1342/1342 1342 ± 0.0000262 5.098 4.903/5.331 5.152 ± 0.3558
4 1342 1342/1342 1342 ± 0.00002395 5.454 5.213/5.62 5.426 ± 0.3407
5 1342 1342/1342 1342 ± 0.00002367 5.458 5.25/5.677 5.442 ± 0.3068
6 1342 1342/1342 1342 ± 0.00002367 5.43 5.126/5.593 5.382 ± 0.2789
7 1342 1342/1342 1342 ± 0.00002367 5.439 5.125/5.581 5.394 ± 0.2654
8 1342 1342/1342 1342 ± 0.00002367 5.401 5.07/5.536 5.335 ± 0.2955
9 1342 1342/1342 1342 ± 0.00002368 5.653 5.425/5.893 5.603 ± 0.3248
10 1342 1342/1342 1342 ± 0.00002568 6.021 5.824/6.197 5.964 ± 0.3254
11 1342 1342/1342 1342 ± 0.00002568 6.241 5.88/6.37 6.186 ± 0.3141
12 1342 1342/1342 1342 ± 0.00002568 6.354 6.106/6.554 6.319 ± 0.3201
13 1342 1342/1342 1342 ± 0.00002568 6.813 6.397/7.016 6.718 ± 0.3744
14 1342 1342/1342 1342 ± 0.00002568 6.943 6.577/7.195 6.89 ± 0.4016
15 1342 1342/1342 1342 ± 0.00002568 6.641 6.291/6.844 6.53 ± 0.4161
16 1342 1342/1342 1342 ± 0.0000457 5.594 5.448/5.935 5.662 ± 0.3477
17 1342 1342/1342 1342 ± 0.00004087 5.631 5.467/5.978 5.692 ± 0.328
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-04-13 02:59:29.292
End
2024-04-13 04:12:30.183
Duration
1:13:00.891
Note, WebLog generation is not included in the time.

CASA logs for stage 7