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 5.611 5.36/6.197 5.751 ± 0.5433
ea02 1342 1342/1342 1342 ± 0.00001506 5.876 5.509/6.553 6.019 ± 0.6557
ea04 1342 1342/1342 1342 ± 0.000008752 5.482 5.189/6.029 5.626 ± 0.4862
ea05 1342 1342/1342 1342 ± 0 5.855 5.48/6.45 5.903 ± 0.5472
ea06 1342 1342/1342 1342 ± 0 5.604 5.165/5.993 5.615 ± 0.4766
ea07 1342 1342/1342 1342 ± 0 5.23 5.065/5.675 5.329 ± 0.2677
ea08 1342 1342/1342 1342 ± 0.00003081 5.98 5.65/6.662 6.167 ± 0.6524
ea09 1342 1342/1342 1342 ± 0 5.361 5.016/5.922 5.455 ± 0.4748
ea10 1342 1342/1342 1342 ± 0.00003611 5.342 5.091/6.054 5.508 ± 0.5476
ea11 1342 1342/1342 1342 ± 0.000002455 5.728 5.451/6.426 5.942 ± 0.6064
ea13 1342 1342/1342 1342 ± 0.000001095 5.999 5.796/6.213 6.116 ± 0.439
ea14 1342 1342/1342 1342 ± 0.0000171 5.888 5.499/6.489 6.005 ± 0.6177
ea15 1342 1342/1342 1342 ± 0 5.928 5.484/6.426 6.03 ± 0.6547
ea16 1342 1342/1342 1342 ± 0.00001465 6.069 5.651/6.637 6.138 ± 0.6649
ea17 1342 1342/1342 1342 ± 0.00001593 5.668 5.496/5.864 5.669 ± 0.2282
ea18 1342 1342/1342 1342 ± 0 5.179 4.879/5.674 5.23 ± 0.4892
ea19 1342 1342/1342 1342 ± 0 5.791 5.701/5.899 5.798 ± 0.1122
ea20 1342 1342/1342 1342 ± 0 6.154 5.773/6.794 6.227 ± 0.596
ea21 1342 1342/1342 1342 ± 0 5.615 5.496/6.287 5.88 ± 0.5155
ea22 1342 1342/1342 1342 ± 0.000007276 5.687 5.261/6.407 5.821 ± 0.639
ea23 1342 1342/1342 1342 ± 0.000007843 5.672 5.602/6.557 6.048 ± 0.6347
ea24 1342 1342/1342 1342 ± 0 5.78 5.076/6.221 5.622 ± 0.5658
ea25 1342 1342/1342 1342 ± 0.000007574 5.488 5.363/6.217 5.753 ± 0.5762
ea26 1342 1342/1342 1342 ± 0.000002662 6.109 5.804/6.889 6.26 ± 0.6483
ea27 1342 1342/1342 1342 ± 0.0000112 5.583 5.264/5.641 5.455 ± 0.2263
ea28 1342 1342/1342 1342 ± 0.00003992 5.665 5.501/6.481 5.918 ± 0.636
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 5.581 5.345/5.694 5.516 ± 0.2638
3 1342 1342/1342 1342 ± 0.00002622 5.097 4.891/5.309 5.145 ± 0.3539
4 1342 1342/1342 1342 ± 0.00004302 5.19 4.954/5.354 5.18 ± 0.3206
5 1342 1342/1342 1342 ± 0.00002367 5.486 5.305/5.673 5.487 ± 0.295
6 1342 1342/1342 1342 ± 0.00002367 5.476 5.2/5.642 5.419 ± 0.2682
7 1342 1342/1342 1342 ± 0.00002367 5.482 5.182/5.617 5.439 ± 0.2615
8 1342 1342/1342 1342 ± 0.00002367 5.437 5.071/5.578 5.369 ± 0.2948
9 1342 1342/1342 1342 ± 0.00002373 5.689 5.42/5.909 5.64 ± 0.3121
10 1342 1342/1342 1342 ± 0.00002567 6.082 5.852/6.197 5.987 ± 0.3181
11 1342 1342/1342 1342 ± 0.00002567 6.218 6/6.403 6.202 ± 0.2974
12 1342 1342/1342 1342 ± 0.00002567 6.406 6.194/6.553 6.347 ± 0.2992
13 1342 1342/1342 1342 ± 0.00002567 6.843 6.398/7.005 6.751 ± 0.3541
14 1342 1342/1342 1342 ± 0.00002567 7.058 6.582/7.249 6.956 ± 0.3747
15 1342 1342/1342 1342 ± 0.00002567 6.718 6.321/6.936 6.611 ± 0.3926
16 1342 1342/1342 1342 ± 0.00004478 5.69 5.536/5.975 5.736 ± 0.3309
17 1342 1342/1342 1342 ± 0.0000407 5.786 5.569/6.063 5.797 ± 0.3077
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
Start time
2024-04-13 07:53:43.690
End
2024-04-13 09:04:38.325
Duration
1:10:54.635
Note, WebLog generation is not included in the time.

CASA logs for stage 7