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

Statwt Summary Plot

VLASS2.1.sb38663900.eb38831428.59145.025327407406_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 5.367 5.268/6.086 5.514 ± 0.7243
ea02 1342 1342/1342 1342 ± 0.00004321 5.77 5.277/6.595 5.742 ± 0.8918
ea03 1342 1342/1342 1342 ± 0.00002815 4.865 4.61/5.936 5.108 ± 0.7566
ea04 1342 1342/1342 1342 ± 0.00003552 5.368 5.087/6.121 5.418 ± 0.7838
ea05 1342 1342/1342 1342 ± 0.0000297 5.455 5.102/6.404 5.577 ± 0.8889
ea06 1342 1342/1342 1342 ± 0.000008484 4.395 4.188/4.87 4.358 ± 0.6062
ea07 1342 1342/1342 1342 ± 0.00004266 5.813 5.238/6.164 5.702 ± 0.8152
ea08 1342 1342/1342 1342 ± 0.00004266 6.041 5.526/6.769 5.955 ± 0.9593
ea09 1342 1342/1342 1342 ± 0.00003438 5.496 5.071/6.222 5.497 ± 0.786
ea10 1342 1342/1342 1342 ± 0.00004263 5.875 5.253/6.674 5.781 ± 0.9297
ea11 1342 1342/1342 1342 ± 0.000009207 5.45 4.947/6.305 5.521 ± 0.9914
ea12 1342 1342/1342 1342 ± 0.000041 5.602 5.3/6.519 5.711 ± 0.8752
ea13 1342 1342/1342 1342 ± 0.00002989 5.862 5.574/6.222 5.772 ± 0.8211
ea14 1342 1342/1342 1342 ± 0.00003324 5.723 5.163/6.279 5.682 ± 0.8002
ea15 1342 1342/1342 1342 ± 0.000008122 3.734 3.573/4.647 3.957 ± 0.8818
ea16 1342 1342/1342 1342 ± 0.00003961 5.789 5.561/6.685 5.89 ± 0.992
ea17 1342 1342/1342 1342 ± 0.00001492 6.033 5.54/7.336 6.108 ± 1.1
ea18 1342 1342/1342 1342 ± 0.00004132 4.744 4.454/5.472 4.832 ± 0.6076
ea19 1342 1342/1342 1342 ± 0.00001812 5.419 5.261/6.259 5.623 ± 0.836
ea20 1342 1342/1342 1342 ± 0.00002853 5.901 5.784/7.001 6.053 ± 1.029
ea21 1342 1342/1342 1342 ± 0.00003904 5.767 5.065/6.291 5.605 ± 0.9016
ea23 1342 1342/1342 1342 ± 0.00004258 5.538 5.305/5.666 5.33 ± 0.653
ea24 1342 1342/1342 1342 ± 0.00003828 5.7 5.269/6.305 5.626 ± 0.8219
ea25 1342 1342/1342 1342 ± 0.00004259 5.536 5.252/6.259 5.53 ± 0.8158
ea26 1342 1342/1342 1342 ± 0.00003422 5.906 5.516/6.73 5.873 ± 0.8846
ea27 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea28 1342 1342/1342 1342 ± 0.00004269 5.381 5.141/6.236 5.499 ± 0.7704
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 ± 0.00002386 5.375 5.095/5.542 5.233 ± 0.4829
5 1342 1342/1342 1342 ± 0.00002386 5.375 5.089/5.586 5.255 ± 0.5441
6 1342 1342/1342 1342 ± 0.00002386 5.306 4.98/5.516 5.157 ± 0.4897
7 1342 1342/1342 1342 ± 0.00002386 5.252 5.149/5.518 5.219 ± 0.4725
8 1342 1342/1342 1342 ± 0.00002386 5.263 5.126/5.442 5.201 ± 0.4887
9 1342 1342/1342 1342 ± 0.00002386 5.715 5.342/5.855 5.493 ± 0.5283
10 1342 1342/1342 1342 ± 0.00002386 5.961 5.545/6.148 5.787 ± 0.5694
11 1342 1342/1342 1342 ± 0.00002386 6.218 6.007/6.316 6.073 ± 0.5287
12 1342 1342/1342 1342 ± 0.00002386 6.296 6.129/6.638 6.262 ± 0.5754
13 1342 1342/1342 1342 ± 0.00002386 6.733 6.493/6.908 6.599 ± 0.5402
14 1342 1342/1342 1342 ± 0.00002435 6.743 6.361/6.976 6.584 ± 0.6179
15 1342 1342/1342 1342 ± 0.00002471 6.435 6.121/6.84 6.361 ± 0.6831
16 1342 1342/1342 1342 ± 0.00005786 3.938 3.788/4.065 3.852 ± 0.4142
17 1342 1342/1342 1342 ± 0.00005859 4.053 3.904/4.194 3.988 ± 0.3946
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38663900.eb38831428.59145.025327407406_split_split.ms
Start time
2025-01-11 12:23:49.948
End
2025-01-11 13:32:39.669
Duration
1:08:49.721
Note, WebLog generation is not included in the time.

CASA logs for stage 8