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 5.558 5.503/6.28 5.88 ± 0.6039
ea02 1342 1342/1342 1342 ± 0.0000415 6.055 5.598/6.74 6.191 ± 0.6537
ea03 1342 1342/1342 1342 ± 0 5.73 5.012/6.201 5.662 ± 0.617
ea04 1342 1342/1342 1342 ± 0 5.661 5.24/6.189 5.768 ± 0.5349
ea05 1342 1342/1342 1342 ± 0 6.187 5.606/6.649 6.008 ± 0.6969
ea06 1342 1342/1342 1342 ± 0 4.871 4.838/4.924 4.771 ± 0.2704
ea07 1342 1342/1342 1342 ± 0 6.181 5.743/6.467 6.273 ± 0.5626
ea08 1342 1342/1342 1342 ± 0 6.068 5.714/6.91 6.278 ± 0.7176
ea09 1342 1342/1342 1342 ± 0 5.988 5.46/6.722 6.028 ± 0.7429
ea10 1342 1342/1342 1342 ± 0 6.048 5.598/6.772 6.165 ± 0.6649
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.046 5.463/6.448 6.016 ± 0.7109
ea13 1342 1342/1342 1342 ± 0 6.615 6.008/6.663 6.408 ± 0.6651
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.153 5.636/6.595 6.175 ± 0.6853
ea16 1342 1342/1342 1342 ± 0 6.433 5.931/7.008 6.468 ± 0.7895
ea17 1342 1342/1342 1342 ± 0 6.642 6.005/7.289 6.669 ± 0.6662
ea18 1342 1342/1342 1342 ± 0 5.154 4.774/5.594 5.241 ± 0.4696
ea19 1342 1342/1342 1342 ± 0 6.261 5.658/6.732 6.22 ± 0.5893
ea20 1342 1342/1342 1342 ± 0 6.061 5.603/6.717 6.088 ± 0.6943
ea21 1342 1342/1342 1342 ± 0 6.023 5.647/6.606 6.087 ± 0.653
ea22 1342 1342/1342 1342 ± 0 5.893 5.506/6.485 5.948 ± 0.5927
ea23 1342 1342/1342 1342 ± 0 6.301 5.687/6.698 6.23 ± 0.7131
ea24 1342 1342/1342 1342 ± 0 6.085 5.711/6.819 6.18 ± 0.6831
ea25 1342 1342/1342 1342 ± 0 5.791 5.469/6.388 5.92 ± 0.5968
ea26 1342 1342/1342 1342 ± 0 6.594 5.909/7.236 6.502 ± 0.7597
ea27 1342 1342/1342 1342 ± 0 5.678 5.579/6.543 5.943 ± 0.6349
ea28 1342 1342/1342 1342 ± 0 5.629 5.384/6.387 5.833 ± 0.6445
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 ± 0.00002389 5.623 5.418/5.749 5.542 ± 0.3065
4 1342 1342/1342 1342 ± 0.00002794 4.794 4.569/4.944 4.746 ± 0.2506
5 1342 1342/1342 1342 ± 0.00002389 5.534 5.312/5.736 5.515 ± 0.3497
6 1342 1342/1342 1342 ± 0.00002389 5.557 5.397/5.757 5.515 ± 0.3286
7 1342 1342/1342 1342 ± 0.00002389 5.591 5.41/5.664 5.523 ± 0.2999
8 1342 1342/1342 1342 ± 0.00002389 5.5 5.303/5.647 5.444 ± 0.3396
9 1342 1342/1342 1342 ± 0.00002389 5.761 5.527/6.083 5.73 ± 0.3825
10 1342 1342/1342 1342 ± 0.00002436 6.233 6.045/6.439 6.208 ± 0.3416
11 1342 1342/1342 1342 ± 0.00002436 6.531 6.299/6.627 6.443 ± 0.3329
12 1342 1342/1342 1342 ± 0.00002436 6.634 6.442/6.745 6.61 ± 0.3677
13 1342 1342/1342 1342 ± 0.00002436 7.074 6.872/7.151 7.018 ± 0.3646
14 1342 1342/1342 1342 ± 0.00002436 7.213 6.985/7.444 7.193 ± 0.3941
15 1342 1342/1342 1342 ± 0.00002436 6.811 6.634/7.001 6.793 ± 0.3627
16 1342 1342/1342 1342 ± 0.00002486 6.165 5.849/6.349 6.154 ± 0.3738
17 1342 1342/1342 1342 ± 0.00002486 6.181 5.989/6.376 6.183 ± 0.3556
output_dir
 
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-01-11 04:10:14.491
End
2025-01-11 05:25:33.478
Duration
1:15:18.987
Note, WebLog generation is not included in the time.

CASA logs for stage 8