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 5.553 5.348/6.165 5.748 ± 0.5336
ea02 1342 1342/1342 1342 ± 0.00001134 5.876 5.505/6.544 6.027 ± 0.645
ea04 1342 1342/1342 1342 ± 0.00001781 5.491 5.194/6.043 5.634 ± 0.5035
ea05 1342 1342/1342 1342 ± 0 5.856 5.506/6.469 5.911 ± 0.5558
ea06 1342 1342/1342 1342 ± 0 5.646 5.177/6.001 5.638 ± 0.4777
ea07 1342 1342/1342 1342 ± 0 5.252 5.076/5.686 5.346 ± 0.2673
ea08 1342 1342/1342 1342 ± 0.00003101 5.959 5.639/6.669 6.165 ± 0.6619
ea09 1342 1342/1342 1342 ± 0 5.372 5.032/5.967 5.479 ± 0.477
ea10 1342 1342/1342 1342 ± 0.00003625 5.37 5.116/6.107 5.539 ± 0.5646
ea11 1342 1342/1342 1342 ± 0.0000046 5.746 5.457/6.446 5.959 ± 0.6045
ea13 1342 1342/1342 1342 ± 0 6.031 5.781/6.203 6.102 ± 0.4524
ea14 1342 1342/1342 1342 ± 0.00001762 5.883 5.497/6.488 5.994 ± 0.6305
ea15 1342 1342/1342 1342 ± 0 5.93 5.485/6.442 6.035 ± 0.6587
ea16 1342 1342/1342 1342 ± 0.000002979 6.018 5.67/6.64 6.154 ± 0.6675
ea17 1342 1342/1342 1342 ± 0.00001298 5.667 5.506/5.865 5.665 ± 0.2286
ea18 1342 1342/1342 1342 ± 0.000003254 5.174 4.872/5.659 5.241 ± 0.4787
ea19 1342 1342/1342 1342 ± 0 5.778 5.693/5.898 5.799 ± 0.1118
ea20 1342 1342/1342 1342 ± 0 6.2 5.786/6.819 6.239 ± 0.602
ea21 1342 1342/1342 1342 ± 0 5.615 5.491/6.302 5.892 ± 0.5178
ea22 1342 1342/1342 1342 ± 0 5.649 5.27/6.418 5.83 ± 0.6353
ea23 1342 1342/1342 1342 ± 0.00001261 5.664 5.598/6.552 6.045 ± 0.6443
ea24 1342 1342/1342 1342 ± 0 5.798 5.07/6.212 5.628 ± 0.5754
ea25 1342 1342/1342 1342 ± 0.00001022 5.514 5.407/6.23 5.766 ± 0.5651
ea26 1342 1342/1342 1342 ± 0 6.151 5.793/6.89 6.288 ± 0.6495
ea27 1342 1342/1342 1342 ± 0.000004124 5.558 5.27/5.666 5.445 ± 0.2469
ea28 1342 1342/1342 1342 ± 0.00003846 5.69 5.563/6.485 5.955 ± 0.624
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 ± 0.00002364 5.569 5.347/5.701 5.516 ± 0.2651
3 1342 1342/1342 1342 ± 0.0000261 5.097 4.917/5.295 5.149 ± 0.3488
4 1342 1342/1342 1342 ± 0.00004037 5.335 5.089/5.461 5.32 ± 0.3694
5 1342 1342/1342 1342 ± 0.00002364 5.493 5.296/5.671 5.488 ± 0.2975
6 1342 1342/1342 1342 ± 0.00002364 5.499 5.235/5.66 5.446 ± 0.266
7 1342 1342/1342 1342 ± 0.00002364 5.482 5.202/5.633 5.443 ± 0.2604
8 1342 1342/1342 1342 ± 0.00002364 5.447 5.082/5.592 5.374 ± 0.2925
9 1342 1342/1342 1342 ± 0.00002369 5.701 5.432/5.914 5.648 ± 0.3124
10 1342 1342/1342 1342 ± 0.00002564 6.078 5.857/6.2 5.993 ± 0.3207
11 1342 1342/1342 1342 ± 0.00002564 6.222 6.02/6.424 6.211 ± 0.3004
12 1342 1342/1342 1342 ± 0.00002564 6.417 6.174/6.544 6.349 ± 0.2962
13 1342 1342/1342 1342 ± 0.00002564 6.853 6.397/6.992 6.759 ± 0.3568
14 1342 1342/1342 1342 ± 0.00002564 7.083 6.612/7.269 6.979 ± 0.3825
15 1342 1342/1342 1342 ± 0.00002564 6.717 6.335/6.932 6.633 ± 0.3877
16 1342 1342/1342 1342 ± 0.00004421 5.673 5.565/6.011 5.751 ± 0.3218
17 1342 1342/1342 1342 ± 0.00004019 5.778 5.533/6.043 5.792 ± 0.3077
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
overwrite_modelcol
False
Start time
2024-04-13 01:08:00.025
End
2024-04-13 02:12:19.343
Duration
1:04:19.318
Note, WebLog generation is not included in the time.

CASA logs for stage 7